PUP.SilentInstallBuilder
Table of Contents
Analysis Report
General information
| Family Name: | PUP.SilentInstallBuilder |
|---|---|
| Signature status: | Hash Mismatch |
Known Samples
Known Samples
This section lists other file samples believed to be associated with this family.|
MD5:
a32fc03a4961a6265a8580f88b030e7e
SHA1:
89d93842a0102fba860fbf9ccb6523d2bbb93ede
SHA256:
F6ACC9C3B5D72E3DD9C8C3C1E2BC946F5235DD249718C3D53661517B21B03605
File Size:
1.97 MB, 1966088 bytes
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MD5:
fd1fbd0254ebf49926ba6e276836d89f
SHA1:
94326a55988033de6ced221bc9f3fa0f1388a103
SHA256:
4152C034517F052815CF68791785AAAF76936774C44AADCB20E5EADFBDCD6E59
File Size:
417.82 KB, 417818 bytes
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MD5:
53e234e810a6ff3c3f30454a59cfc9ed
SHA1:
82f2c47c001d66e98f7d9ed65964a1827899efc8
SHA256:
388FF97DB8C8FF40915FE069FB83746DF7EF03871117F0088BFEBD3DA045C128
File Size:
816.07 KB, 816071 bytes
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MD5:
c021c05985c2085a64d0a21b3707382e
SHA1:
d7f20ebed9f2d7cc66bb5c9f5d0e798e9b0ce24e
SHA256:
21ABB55BEE181A2775BA20F21DED526BE47FFD871FDC124D1E273833ED08E0F2
File Size:
3.86 MB, 3856384 bytes
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MD5:
33db850591c72328cf7806f6e0492e00
SHA1:
8d9287c1550f81707e0e357d6ea757ac4ee8860a
SHA256:
439647625B3A4946F018755524A14A441F90F1947340EA9004836A27B35C4544
File Size:
940.66 KB, 940657 bytes
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MD5:
a49b9592c3c23c9c026238ad4991028c
SHA1:
350f7247f99c67fc701cc22ff1cc46e734a19f77
SHA256:
F8736C5AE62E36DC555B7AA8096413B54851076D26D2CC0C88E169B8D8D92F43
File Size:
271.04 KB, 271040 bytes
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Windows Portable Executable Attributes
- File doesn't have "Rich" header
- File doesn't have debug information
- File doesn't have exports table
- File doesn't have relocations information
- File doesn't have security information
- File has TLS information
- File is 32-bit executable
- File is either console or GUI application
- File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
- File is Native application (NOT .NET application)
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- File is not packed
- IMAGE_FILE_DLL is not set inside PE header (Executable)
- IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)
File Icons
File Icons
This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.
Windows PE Version Information
Windows PE Version Information
This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.| Name | Value |
|---|---|
| Company Name |
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| File Description |
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| File Version |
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| Internal Name |
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| Legal Copyright |
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| Original Filename |
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| Product Name |
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| Product Version |
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Digital Signatures
Digital Signatures
This section lists digital signatures that are attached to samples within this family. When analyzing and verifying digital signatures, it is important to confirm that the signature’s root authority is a well-known and trustworthy entity and that the status of the signature is good. Malware is often signed with non-trustworthy “Self Signed” digital signatures (which can be easily created by a malware author with no verification). Malware may also be signed by legitimate signatures that have an invalid status, and by signatures from questionable root authorities with fake or misleading “Signer” names.| Signer | Root | Status |
|---|---|---|
| APREL Tehnologija d.o.o. | Sectigo Public Code Signing Root R46 | Hash Mismatch |
File Traits
- Installer Version
- WriteProcessMemory
- x86
Block Information
Block Information
During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.| Total Blocks: | 595 |
|---|---|
| Potentially Malicious Blocks: | 6 |
| Whitelisted Blocks: | 589 |
| Unknown Blocks: | 0 |
Visual Map
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0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block
? - Unknown Block
x - Potentially Malicious Block
Files Modified
Files Modified
This section lists files that were created, modified, moved and/or deleted by samples in this family. File system activity can provide valuable insight into how malware functions on the operating system.| File | Attributes |
|---|---|
| \device\namedpipe\dav rpc service | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| \device\namedpipe\pshost.134169797421801444.208.defaultappdomain.powershell | Generic Read,Write Data,Write Attributes,Write extended,Append data,LEFT 524288 |
| \device\namedpipe\wkssvc | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\sibl\sib.dat | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_4q44xbke.1jc.ps1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\__psscriptpolicytest_ljgr2oxe.5ud.psm1 | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nsabc70.tmp\sibuia.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nshaf65.tmp\sibuia.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nsqbdb8.tmp\sibuia.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nszb8c7.tmp\modern-wizard.bmp | Generic Write,Read Attributes |
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| c:\users\user\appdata\local\temp\nszb8c7.tmp\nsdialogs.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\nszb8c7.tmp\system.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\psa862.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\psa862.tmp.ps1 | Synchronize,Write Data |
| c:\users\user\appdata\local\temp\rgic2bc.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\rgic2bc.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\rgic33a.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\rgic33a.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\rgic389.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\rgic389.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\rgic3f7.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\rgic3f7.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\rgic475.tmp | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\rgic475.tmp | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibafc3.tmp\0\c204.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibafc3.tmp\0\c204.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibafc3.tmp\sibca.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibafc3.tmp\sibca.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibafc3.tmp\sibclr.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibafc3.tmp\sibclr.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\0\sorv7.cmd | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\0\sorv7.cmd | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\0\xfpsp2023.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\0\xfpsp2023.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\2\ccleaner.exe | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\appdata\local\temp\sibbccf.tmp\ionic.zip.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\ionic.zip.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\sibca.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\sibca.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\sibclr.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\sibclr.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\zip.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbccf.tmp\zip.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbe17.tmp\0\patch.exe | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbe17.tmp\0\patch.exe | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbe17.tmp\sibca.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbe17.tmp\sibca.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\sibbe17.tmp\sibclr.dll | Generic Write,Read Attributes |
| c:\users\user\appdata\local\temp\sibbe17.tmp\sibclr.dll | Synchronize,Write Attributes |
| c:\users\user\appdata\local\temp\tmp4352$.tmp | Generic Write,Read Attributes,Delete |
| c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071 | Generic Read,Write Data,Write Attributes,Write extended,Append data |
| c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071 | Generic Write,Read Attributes |
| c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071 | Synchronize,Write Attributes |
| c:\users\user\downloads\plagins.dat | Generic Write,Read Attributes |
| c:\windows\appcompat\programs\amcache.hve | Read Data,Read Control,Write Data |
| c:\windows\appcompat\programs\amcache.hve | Write Attributes |
| c:\windows\svchost.exe | Generic Write,Read Attributes |
Registry Modifications
Registry Modifications
This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.| Key::Value | Data | API Name |
|---|---|---|
| HKLM\software\wow6432node\microsoft\schedulingagent::taskkey | 譙┝ | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\schedulingagent::checsib | 2025-11-19 | RegNtPreCreateKey |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ᒠﯢꙺǜ | RegNtPreCreateKey |
| HKLM\software\wow6432node\microsoft\advanced inf setup\ie complist::ie.hkcuzoneinfo | RegNtPreCreateKey | |
| HKLM\system\controlset001\services\bam\state\usersettings\s-1-5-21-3119368278-1123331430-659265220-1001::\device\harddiskvolume2\windows\system32\conhost.exe | ル䫷ꪸǜ | RegNtPreCreateKey |
Windows API Usage
Windows API Usage
This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.| Category | API |
|---|---|
| Anti Debug |
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| User Data Access |
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| Other Suspicious |
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| Encryption Used |
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| Keyboard Access |
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| Network Winhttp |
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| Process Manipulation Evasion |
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| Process Shell Execute |
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| Process Terminate |
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| Service Control |
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| Syscall Use |
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Shell Command Execution
Shell Command Execution
This section lists Windows shell commands that are run by the samples in this family. Windows Shell commands are often leveraged by malware for nefarious purposes and can be used to elevate security privileges, download and launch other malware, exploit vulnerabilities, collect and exfiltrate data, and hide malicious activity.
C:\Windows\Microsoft.NET\Framework\v2.0.50727\\dw20.exe dw20.exe -x -s 1300
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C:\Users\Cibosnjx\AppData\Local\Temp\sibAFC3.tmp\0\C204.exe
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"C:\WINDOWS\svchost.exe" "c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071"
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"c:\users\user\downloads\82f2c47c001d66e98f7d9ed65964a1827899efc8_0000816071"
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C:\Users\Esmnxvrb\AppData\Local\Temp\sibBE17.tmp\0\Patch.exe
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"sorv7.cmd" /s
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C:\Users\Ssdxcbia\AppData\Local\Temp\sibBCCF.tmp\0\xfpsp2023.exe xfpsp2023.exe
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"C:\Users\Ssdxcbia\AppData\Local\Temp\sibBCCF.tmp\2\ccleaner.exe" /s
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C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -file "C:\Users\Hnvwintr\AppData\Local\Temp\psA862.tmp.ps1"
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