Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 11:45

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 2 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 31 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:1892
    • 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:2696
    • 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:1804
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ECmmsbHOaKPh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82A7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2276
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:296
      • 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:2176

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp82A7.tmp

      Filesize

      1KB

      MD5

      2b1d1eddf1a9304e97c756c8b73a1c9e

      SHA1

      ca5c8836bbd2fba4f527e6d20c434fc29617c00f

      SHA256

      c2b5e0525bd45226710291a44e563807009104e27d390923389338e3a0c7bbbe

      SHA512

      d6f5e2b6bf752745bfbb528f0005ee9c9c58842c895eb6021cc6b41ce9e802762f2505033f62613e1b7aba53c802bd0b2e667afbb4ccac20098ffb4c63847734

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

      Filesize

      7KB

      MD5

      5d8e69d8287d2cb548703dbb75e5af5f

      SHA1

      839150245a2696d2c8ab105355d80673953bf62c

      SHA256

      80d7db5fff8aab0b3aa12872bebba25015450d3bc8dd980a136090d935aed31e

      SHA512

      70818912d52ad558b07b3cf992355e533379f1646375f53aa2fd9e7a421acfd091dabc9dab9a922c976cb012ae6bbb1e70bab50e0f053a9ba3f5e515c1e0873a

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

      Filesize

      161KB

      MD5

      073a17b6cfb1112c6c838b2fba06a657

      SHA1

      a54bb22489eaa8c52eb3e512aee522320530b0be

      SHA256

      dcfcd16fbf0511d3f2b3792e5493fa22d7291e4bb2efbfa5ade5002a04fc2cab

      SHA512

      5bc8307350bd8ba09fa9eedddc62f1dba65db62eb09ae64e0adff4dfad0937dbec5b621f294f5980bf77033faac3bfe200945c0280606915ee9a82d34a003b9e

    • memory/1892-4-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

      Filesize

      4KB

    • memory/1892-32-0x0000000073EA0000-0x000000007458E000-memory.dmp

      Filesize

      6.9MB

    • memory/1892-5-0x0000000073EA0000-0x000000007458E000-memory.dmp

      Filesize

      6.9MB

    • memory/1892-6-0x0000000000980000-0x0000000000A24000-memory.dmp

      Filesize

      656KB

    • memory/1892-3-0x0000000000500000-0x000000000051E000-memory.dmp

      Filesize

      120KB

    • memory/1892-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

      Filesize

      6.9MB

    • memory/1892-1-0x00000000013D0000-0x00000000014A8000-memory.dmp

      Filesize

      864KB

    • memory/1892-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

      Filesize

      4KB

    • memory/2176-28-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2176-23-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2176-21-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2176-19-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2176-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2176-29-0x0000000000400000-0x000000000045A000-memory.dmp

      Filesize

      360KB

    • memory/2176-39-0x0000000074940000-0x00000000749A9000-memory.dmp

      Filesize

      420KB