Trojan.MSIL.Downloader.DAABI

The detection of Trojan.MSIL.Downloader.DAABI on your system indicates a potential security threat that requires immediate attention. This type of malware is designed to compromise the security of your computer, allowing unauthorized access and control. It is essential to understand the nature of this threat and take prompt action to remove it and prevent further damage.

What Is Trojan.MSIL.Downloader.DAABI?

Trojan.MSIL.Downloader.DAABI is a type of Trojan horse malware that can be used to download and install additional malicious software on your computer. The name suggests that it is written in MSIL (Microsoft Intermediate Language), which is a platform-independent intermediate representation of the .NET Framework. This type of malware can be particularly dangerous, as it can be used to install a wide range of malicious software, including keyloggers, ransomware, and spyware.

How Trojan.MSIL.Downloader.DAABI Operates

Trojan.MSIL.Downloader.DAABI typically operates by exploiting vulnerabilities in your system or tricking you into installing it. Once installed, it can connect to a command and control server to receive instructions and download additional malware. This malware can also be used to steal sensitive information, such as login credentials, credit card numbers, and personal data. It may also be used to disrupt your system's operation, causing crashes, freezes, and other problems.

Symptoms of Infection

The symptoms of a Trojan.MSIL.Downloader.DAABI infection can vary, but common signs include slow system performance, unexpected pop-ups and ads, and unfamiliar programs or icons on your desktop. You may also notice that your browser homepage has been changed or that you are being redirected to unfamiliar websites. In some cases, you may not notice any symptoms at all, which is why regular scans with a reputable antivirus program are essential.

How to Remove Trojan.MSIL.Downloader.DAABI

1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow you to download and install removal tools.
2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system and remove any detected threats.
3. Uninstall any suspicious programs or applications that you do not recognize or that were installed around the time of the infection.
4. Reset your web browsers, including Chrome, Firefox, and Edge, to their default settings to remove any malicious extensions or add-ons.
5. Reboot your computer and run another scan with your anti-malware tool to ensure that the threat has been completely removed.

Conclusion

Removing Trojan.MSIL.Downloader.DAABI from your system requires careful attention to detail and a thorough understanding of the threat. By following the steps outlined above, you can help to ensure that your system is secure and that your personal data is protected. It is also essential to take preventive measures, such as keeping your operating system and software up to date, using strong passwords, and avoiding suspicious downloads and email attachments. By staying vigilant and taking proactive steps to protect your system, you can help to prevent future infections and keep your computer and personal data safe.

Analysis Report

General information

Family Name:	Trojan.MSIL.Downloader.DAABI
Signature status:	No Signature

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: 14af592946666a7759236b825d944149 SHA1: 3684e4de456a7bf331bedb2a39af3abef7dc36a1 SHA256: CF12DD2CA9B87FB0DAAD740BF577C1B2257D1DF0CB23E443A14121548717F839 File Size: 5.54 MB, 5539328 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• 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 is .NET application
• File is 64-bit executable
• File is either console or GUI application
• File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
• File is not packed

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• IMAGE_FILE_DLL is not set inside PE header (Executable)
• IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

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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

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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
Assembly Version	10.0.17763.1
Company Name	Microsoft Corporation
File Version	10.0.17763.1
Internal Name	Oxdmnmj-OLD-4.exe
Legal Copyright	Copyright (c) Microsoft Corporation. All rights reserved.
Original Filename	Oxdmnmj-OLD-4.exe
Product Name	Microsoft (R) Windows (R) Operating System
Product Version	10.0.17763.1

File Traits

• .NET
• HighEntropy
• SmartAssembly
• x64

Block Information

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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:	24
Potentially Malicious Blocks:	2
Whitelisted Blocks:	16
Unknown Blocks:	6

Visual Map

0 0 0 0 0 0 0 0 0 ? ? ? ? 0 0 x ? x 0 ? 0 0 0 0

0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Files Modified

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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
c:\users\user\appdata\roaming\viperfolder\fiperw.exe	Generic Read,Write Data,Write Attributes,Write extended,Append data,Delete,LEFT 262144

Registry Modifications

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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
HKCU\software\microsoft\windows nt\currentversion\winlogon::shell	explorer.exe,"C:\Users\Uijkftoi\AppData\Roaming\ViperFolder\FiperW.exe",	RegNtPreCreateKey

Windows API Usage

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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
Syscall Use	ntdll.dll!NtAlpcConnectPortEx ntdll.dll!NtAlpcQueryInformation ntdll.dll!NtAlpcSendWaitReceivePort ntdll.dll!NtApphelpCacheControl ntdll.dll!NtAssociateWaitCompletionPacket ntdll.dll!NtCancelTimer2 ntdll.dll!NtCancelWaitCompletionPacket ntdll.dll!NtClearEvent ntdll.dll!NtClose ntdll.dll!NtCompareSigningLevels Show More ntdll.dll!NtConnectPort ntdll.dll!NtCreateEvent ntdll.dll!NtCreateIoCompletion ntdll.dll!NtCreateMutant ntdll.dll!NtCreatePrivateNamespace ntdll.dll!NtCreateSection ntdll.dll!NtCreateSemaphore ntdll.dll!NtCreateThreadEx ntdll.dll!NtCreateTimer2 ntdll.dll!NtCreateWaitCompletionPacket ntdll.dll!NtCreateWorkerFactory ntdll.dll!NtDelayExecution ntdll.dll!NtDuplicateObject ntdll.dll!NtEnumerateKey ntdll.dll!NtEnumerateValueKey ntdll.dll!NtFlushProcessWriteBuffers ntdll.dll!NtFreeVirtualMemory ntdll.dll!NtGetCachedSigningLevel ntdll.dll!NtGetContextThread ntdll.dll!NtGetWriteWatch ntdll.dll!NtMapViewOfSection ntdll.dll!NtNotifyChangeKey ntdll.dll!NtOpenDirectoryObject ntdll.dll!NtOpenEvent ntdll.dll!NtOpenFile ntdll.dll!NtOpenKey ntdll.dll!NtOpenKeyEx ntdll.dll!NtOpenProcess ntdll.dll!NtOpenProcessToken ntdll.dll!NtOpenSection ntdll.dll!NtOpenThreadToken ntdll.dll!NtPowerInformation ntdll.dll!NtProtectVirtualMemory ntdll.dll!NtQueryAttributesFile ntdll.dll!NtQueryDefaultLocale ntdll.dll!NtQueryDirectoryFileEx ntdll.dll!NtQueryFullAttributesFile ntdll.dll!NtQueryInformationFile ntdll.dll!NtQueryInformationJobObject ntdll.dll!NtQueryInformationProcess ntdll.dll!NtQueryInformationThread ntdll.dll!NtQueryInformationToken ntdll.dll!NtQueryKey ntdll.dll!NtQueryLicenseValue ntdll.dll!NtQueryPerformanceCounter ntdll.dll!NtQuerySecurityAttributesToken ntdll.dll!NtQuerySecurityObject ntdll.dll!NtQuerySystemInformation ntdll.dll!NtQuerySystemInformationEx ntdll.dll!NtQueryValueKey ntdll.dll!NtQueryVirtualMemory ntdll.dll!NtQueryVolumeInformationFile ntdll.dll!NtQueryWnfStateData ntdll.dll!NtReadFile ntdll.dll!NtReadRequestData ntdll.dll!NtReleaseMutant ntdll.dll!NtReleaseWorkerFactoryWorker ntdll.dll!NtRequestWaitReplyPort ntdll.dll!NtResetWriteWatch ntdll.dll!NtResumeThread ntdll.dll!NtSetEvent ntdll.dll!NtSetInformationKey ntdll.dll!NtSetInformationProcess ntdll.dll!NtSetInformationThread ntdll.dll!NtSetInformationVirtualMemory ntdll.dll!NtSetInformationWorkerFactory ntdll.dll!NtSetTimer2 ntdll.dll!NtSubscribeWnfStateChange ntdll.dll!NtSuspendThread ntdll.dll!NtTestAlert ntdll.dll!NtTraceControl ntdll.dll!NtUnmapViewOfSection ntdll.dll!NtUnmapViewOfSectionEx ntdll.dll!NtUnsubscribeWnfStateChange ntdll.dll!NtWaitForAlertByThreadId ntdll.dll!NtWaitForMultipleObjects ntdll.dll!NtWaitForSingleObject ntdll.dll!NtWaitForWorkViaWorkerFactory ntdll.dll!NtWaitLowEventPair ntdll.dll!NtWorkerFactoryWorkerReady ntdll.dll!NtWriteFile ntdll.dll!NtYieldExecution UNKNOWN
User Data Access	GetComputerName GetComputerNameEx GetUserDefaultLocaleName GetUserName GetUserObjectInformation
Encryption Used	BCryptOpenAlgorithmProvider CryptAcquireContext
Other Suspicious	AdjustTokenPrivileges
Anti Debug	CheckRemoteDebuggerPresent IsDebuggerPresent
Process Manipulation Evasion	NtUnmapViewOfSection VirtualAllocEx
Process Shell Execute	CreateProcess

Shell Command Execution

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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\Framework64\v4.0.30319\RegAsm.exe