Threat Database Potentially Unwanted Programs PUP.MSIL.DownloadSponsor.A

PUP.MSIL.DownloadSponsor.A

Analysis Report

General information

Family Name: PUP.MSIL.DownloadSponsor.A
Signature status: No Signature

Known Samples

MD5: e39e057b7cd467d6bcf7a2f0c66ff421
SHA1: ddea05ae47ebd453981c8e5748dd8838680c790e
SHA256: 6281B812B9C9D1B23DF9BD204B34D3C9D44F35A4AAF739AB6C8E437333BAB8C5
File Size: 253.95 KB, 253952 bytes
MD5: e03d94fbfd0724d9090079b89faa8961
SHA1: bd20065545494a9a4680dc36ab6ed0b1c36dae5b
SHA256: F0B53378AA56A9CE9E7E23305FBB0BC349CCB81B837CD05025A2C980AF5884B2
File Size: 512.00 KB, 512000 bytes

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 is .NET application
  • 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

Windows PE Version Information

Name Value
Assembly Version 1.0.0.0
Comments
  • OCSClient v5.0
  • Presetup für OnlineContent
Company Name
  • OCS
  • www.download-sponsor.de
File Description OCS
File Version
  • 1.00
  • 1.0.0.0
Internal Name
  • OCS.exe
  • ocsclient
Legal Copyright
  • Copyright @ www.download-sponsor.de
  • Copyright © Project OCS
Original Filename
  • OCS.exe
  • ocsclient.exe
Product Name
  • OCS
  • OCSClient
Product Version
  • 1.00
  • 1.0.0.0

File Traits

  • .NET
  • .sdata
  • Installer Version
  • NewLateBinding
  • x86

Files Modified

File Attributes
c:\users\user\appdata\local\temp\ocs\icsharpcode.sharpziplib.dll Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\ocs\ocs_v6a.exe Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\local\temp\~df01f4b0a8c745a690.tmp Generic Read,Write Data,Write Attributes,Write extended,Append data
c:\users\user\appdata\roaming\ocs\ocs\1.0.0.0\ocs_v6a.log Generic Write,Read Attributes

Registry Modifications

Key::Value Data API Name
HKCU\software\ocs::cid 35d2160d-4d30-4533-b9b2-807f14f3d7e3 RegNtPreCreateKey
HKCU\software\ocs::cid 5d3ac2f4-f86e-40a8-8d41-d7352bfc39d9 RegNtPreCreateKey
HKCU\software\ocs::pid freewarede RegNtPreCreateKey
HKCU\software\ocs::lastpid freewarede RegNtPreCreateKey
HKLM\software\microsoft\windows nt\currentversion\notifications\data::418a073aa3bc1c75 RegNtPreCreateKey

Windows API Usage

Category API
Syscall Use
  • ntdll.dll!NtAccessCheck
  • ntdll.dll!NtAlpcConnectPort
  • ntdll.dll!NtAlpcSendWaitReceivePort
  • ntdll.dll!NtApphelpCacheControl
  • ntdll.dll!NtClearEvent
  • ntdll.dll!NtClose
  • ntdll.dll!NtConnectPort
  • ntdll.dll!NtCreateEvent
  • ntdll.dll!NtCreateFile
  • ntdll.dll!NtCreateKey
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  • ntdll.dll!NtCreateMutant
  • ntdll.dll!NtCreateSection
  • ntdll.dll!NtDeviceIoControlFile
  • ntdll.dll!NtDuplicateToken
  • ntdll.dll!NtEnumerateKey
  • ntdll.dll!NtEnumerateValueKey
  • ntdll.dll!NtFlushProcessWriteBuffers
  • ntdll.dll!NtFreeVirtualMemory
  • ntdll.dll!NtMapViewOfSection
  • ntdll.dll!NtOpenEvent
  • ntdll.dll!NtOpenFile
  • ntdll.dll!NtOpenKey
  • ntdll.dll!NtOpenKeyEx
  • ntdll.dll!NtOpenProcessToken
  • ntdll.dll!NtOpenSection
  • ntdll.dll!NtOpenSemaphore
  • ntdll.dll!NtOpenThreadToken
  • ntdll.dll!NtPowerInformation
  • ntdll.dll!NtProtectVirtualMemory
  • ntdll.dll!NtQueryAttributesFile
  • ntdll.dll!NtQueryDefaultLocale
  • ntdll.dll!NtQueryDirectoryFileEx
  • ntdll.dll!NtQueryFullAttributesFile
  • 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!NtQueryValueKey
  • ntdll.dll!NtQueryVirtualMemory
  • ntdll.dll!NtQueryVolumeInformationFile
  • ntdll.dll!NtQueryWnfStateData
  • ntdll.dll!NtReadRequestData
  • ntdll.dll!NtReleaseMutant
  • ntdll.dll!NtReleaseSemaphore
  • ntdll.dll!NtReleaseWorkerFactoryWorker
  • ntdll.dll!NtRequestWaitReplyPort
  • ntdll.dll!NtSetEvent
  • ntdll.dll!NtSetInformationKey
  • ntdll.dll!NtSetInformationProcess
  • ntdll.dll!NtSetInformationThread
  • ntdll.dll!NtSetInformationVirtualMemory
  • ntdll.dll!NtSetInformationWorkerFactory
  • ntdll.dll!NtSetValueKey
  • ntdll.dll!NtSubscribeWnfStateChange
  • ntdll.dll!NtTestAlert
  • ntdll.dll!NtTraceControl
  • ntdll.dll!NtUnmapViewOfSection
  • ntdll.dll!NtUnmapViewOfSectionEx
  • ntdll.dll!NtWaitForSingleObject
  • ntdll.dll!NtWaitForWorkViaWorkerFactory
  • ntdll.dll!NtWaitLowEventPair
  • ntdll.dll!NtWriteFile
  • UNKNOWN
User Data Access
  • GetUserObjectInformation
Anti Debug
  • IsDebuggerPresent
  • OutputDebugString
Other Suspicious
  • SetWindowsHookEx
Process Manipulation Evasion
  • NtUnmapViewOfSection
Process Shell Execute
  • CreateProcess
Encryption Used
  • CryptAcquireContext

Shell Command Execution

C:\Users\Hgaiuozb\AppData\Local\Temp\OCS\ocs_v6a.exe -install -h356209 -freewarede -f467d56c062440edbca37875dc2fefa9 - -

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