Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2025, 19:26

General

  • Target

    JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe

  • Size

    714KB

  • MD5

    94b0bd065fb4e2c04e75a6508580d247

  • SHA1

    e4f3b94c4587c7a040a635572b96d1e8c181c9db

  • SHA256

    9f7cab4bb3626ee48f42c80a8eab83e3745e22e7a08bf34607a5f9191903dfac

  • SHA512

    628ae8e07ed2908127a5830e620b68be92769251b0c4f22a596efdd3d6d14289e5618a83318dcce6864f0aff76b45838668abd69923ccd4a1845717dc613f6b8

  • SSDEEP

    12288:CaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZBKDVsgdh:TAEENIq8XwyVPQclDq/+WipsSh

Malware Config

Extracted

Family

darkcomet

Botnet

victim

C2

rat-h4ck3r.no-ip.org:555

Mutex

DC_MUTEX-0TP756A

Attributes
  • InstallPath

    windows\svchost.exe

  • gencode

    u�x=Zm4rPgF=

  • install

    true

  • offline_keylogger

    true

  • password

    Schlange22

  • persistence

    false

  • reg_key

    Hostprozess f�r Windows-Dienste

rc4.plain

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 12 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94b0bd065fb4e2c04e75a6508580d247.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\windows\svchost.exe
      "C:\windows\svchost.exe"
      2⤵
      • Windows security bypass
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      PID:3656
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\windows\svchost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1188
    • C:\windows\svchost.exe
      C:\windows\svchost.exe
      2⤵
      • Windows security bypass
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\svchost.exe

    Filesize

    714KB

    MD5

    94b0bd065fb4e2c04e75a6508580d247

    SHA1

    e4f3b94c4587c7a040a635572b96d1e8c181c9db

    SHA256

    9f7cab4bb3626ee48f42c80a8eab83e3745e22e7a08bf34607a5f9191903dfac

    SHA512

    628ae8e07ed2908127a5830e620b68be92769251b0c4f22a596efdd3d6d14289e5618a83318dcce6864f0aff76b45838668abd69923ccd4a1845717dc613f6b8

  • memory/268-17-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-16-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-23-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-22-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-10-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-11-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-12-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-13-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-6-0x0000000002B00000-0x0000000002B01000-memory.dmp

    Filesize

    4KB

  • memory/268-14-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-15-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-21-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-18-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-19-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/268-20-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/1276-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

    Filesize

    4KB

  • memory/1276-8-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB

  • memory/3656-9-0x0000000000400000-0x00000000004C0000-memory.dmp

    Filesize

    768KB