Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/03/2025, 04:57

General

  • Target

    Details.exe

  • Size

    870KB

  • MD5

    e0ec839764ae56e62e9364e23041b3db

  • SHA1

    ae987318340ef295de371a02e9602138dae8402c

  • SHA256

    8ea6760f51cdc21cc0a0fb1ed6503eb018afd2074b2a0bde8a8b1b3cb07731e3

  • SHA512

    1e53321b77d55dd7a8dbebbf1c7a09da7875bd90c95e19e14f43cebfc089d929a947746148a8d88e7e92431445c88802eb3350f46f1520c152a8e44b08f8df32

  • SSDEEP

    24576:pg++eYJ0vd8uDrB+UocB1RfpePcsGOFh:C++eYKe8rHjDREPcsrF

Malware Config

Extracted

Family

darkcloud

C2

https://api.telegram.org/bot7725030292:AAFHYtQUWDdOhIko2DIqyexjh4XvUaOA1Fs/sendMessage?chat_id=6732456666

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Details.exe
    "C:\Users\Admin\AppData\Local\Temp\Details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2516
    • 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\Details.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VPmLZviJwp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VPmLZviJwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp290.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2500
    • C:\Users\Admin\AppData\Local\Temp\Details.exe
      "C:\Users\Admin\AppData\Local\Temp\Details.exe"
      2⤵
        PID:3064
      • C:\Users\Admin\AppData\Local\Temp\Details.exe
        "C:\Users\Admin\AppData\Local\Temp\Details.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2776

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp290.tmp

      Filesize

      1KB

      MD5

      b5d17c0c05993a7c756cdcf6f9f1396e

      SHA1

      7cbe1fff70c8a6d06c07225679897b67c82922e1

      SHA256

      585f0fc648bd63f089a1be858480c9ef358666d91d9aec277c2fc1a7fbb4618f

      SHA512

      8a8d90e52b6f1df3788ff49681b667d485bd83d89b4b687990436aed58153a546d4597c68d5a1ce174b59555777ac7ca8c67b2187ce5d50b80f874adc649f0f5

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\IZ1UMIFOV0G8UZ2UTB74.temp

      Filesize

      7KB

      MD5

      1649115268085267b54aaa2d61bb1333

      SHA1

      f29c1022b640ae2990658f9d8e8ed2823b73598c

      SHA256

      069f6ce9eaf92d5062f2d5e83c27d83c50b7a77ce074f32b366e9e3b1d7d26f6

      SHA512

      2e1a5a59c2188014957b005177efac5a228ec8a15f70b6b5ad2b5198bf97b43488d4c9ae1e70dc857a91191efa4e9ca0ba20b76351277a5fd9060a34189faf77

    • memory/2516-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

      Filesize

      4KB

    • memory/2516-32-0x00000000749F0000-0x00000000750DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2516-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

      Filesize

      4KB

    • memory/2516-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2516-6-0x0000000001020000-0x00000000010DC000-memory.dmp

      Filesize

      752KB

    • memory/2516-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2516-1-0x00000000010F0000-0x00000000011D0000-memory.dmp

      Filesize

      896KB

    • memory/2516-3-0x00000000002B0000-0x00000000002C0000-memory.dmp

      Filesize

      64KB

    • memory/2776-19-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2776-29-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2776-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2776-23-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2776-22-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB

    • memory/2776-28-0x0000000000400000-0x0000000000472000-memory.dmp

      Filesize

      456KB