Analysis

  • max time kernel
    140s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/03/2025, 14:07

General

  • Target

    94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe

  • Size

    853KB

  • MD5

    a6ccb9255baee007cb4350101a2a8b2b

  • SHA1

    ff666e71f6c4e071f7c836de86eccf73f9717f54

  • SHA256

    94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79

  • SHA512

    6cca7e30834a342608940ae7a37d37934439b7607f6ab61177a6138aaee25d8a38632b2667ca48df6aa9780ea0338ccab151dca341baa9a8664adbc32d5302a4

  • SSDEEP

    24576:zbYU8Q9u4MqYY5xwXCv2lL/rCI3NHQF9hUI+T:zXZ9uXqDxzv2VrFi9hUtT

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    @StrFtpServer
  • Port:
    21
  • Username:
    @StrFtpUser
  • Password:
    @StrFtpPass

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe
    "C:\Users\Admin\AppData\Local\Temp\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\94213c6a04939eca937ffffb3f938a7dfc297cc20cd7d02d5a8a06b69d56dc79.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2864
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ECmmsbHOaKPh.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECmmsbHOaKPh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFEA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1120
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEFEA.tmp

    Filesize

    1KB

    MD5

    56e284f9dda9c559d4d4e836436d54d7

    SHA1

    6f2289aac930bb0613fd981c03672893d90ae1c5

    SHA256

    1e52bf65d5445ff3824ca0f7b1cde4679d9e716a6c42f6238de147827afd2c9e

    SHA512

    0870c066c714fd85374f697052b95d5b19d914a3cd9ca8b212f542412f1746981669bc348b8de74ae859c4589d258a6304177d2f043101de3d136f596a756d26

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6T0HKHK74MJNNZGFLYPR.temp

    Filesize

    7KB

    MD5

    b93666bd9787c5c904a7bd148f4ea1ec

    SHA1

    cd0abd1d79116baf5f461f9a06ae46dcbef44005

    SHA256

    56afbfc40e756f134bfe16cc067a0f679123f939e3e4bc02d215159a0ba1766b

    SHA512

    41e28a79981e951f1e85509849983f874163eb19a3122a387b1cbf72052b82674780280434c2a6a7bb7a7bfa08c795de1fa4269b7b7ae886222375f42684dbaa

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    2a136fb1ecdb29de634ca8624386a2e7

    SHA1

    fe7b8f9a4a045ca7c902953547bb74d034614295

    SHA256

    2b8c64cc9a010708511b0acb1c619423c68c73db3fef51573eeb98de03631839

    SHA512

    d2fbe1185d3033f00635f82e514c5524f115fd4987359915385d7ae0b984e3deb0a2aa69162c221ca0b5beff2d352e9cf508617523de66f71111530dec2de7fd

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\ZQABOPWE-Admin\vbsqlite3.dll

    Filesize

    161KB

    MD5

    073a17b6cfb1112c6c838b2fba06a657

    SHA1

    a54bb22489eaa8c52eb3e512aee522320530b0be

    SHA256

    dcfcd16fbf0511d3f2b3792e5493fa22d7291e4bb2efbfa5ade5002a04fc2cab

    SHA512

    5bc8307350bd8ba09fa9eedddc62f1dba65db62eb09ae64e0adff4dfad0937dbec5b621f294f5980bf77033faac3bfe200945c0280606915ee9a82d34a003b9e

  • memory/1664-21-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1664-23-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1664-41-0x0000000074EF0000-0x0000000074F59000-memory.dmp

    Filesize

    420KB

  • memory/1664-39-0x0000000074EF0000-0x0000000074F59000-memory.dmp

    Filesize

    420KB

  • memory/1664-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1664-28-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1664-19-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/1664-29-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2104-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-3-0x0000000000540000-0x000000000055E000-memory.dmp

    Filesize

    120KB

  • memory/2104-5-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/2104-31-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2104-4-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/2104-1-0x0000000000200000-0x00000000002D8000-memory.dmp

    Filesize

    864KB

  • memory/2104-6-0x00000000002E0000-0x0000000000384000-memory.dmp

    Filesize

    656KB