Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 11:24

General

  • Target

    d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe

  • Size

    844KB

  • MD5

    d96023ce08d8f5d04c03894590a875f6

  • SHA1

    8948692a05894b3fe30ca91ec7f9a072e7e2b9d6

  • SHA256

    0af2f11e9509185513d5ebb4204399908329333704b4e9f59d094876bdda0da3

  • SHA512

    b7ac975c50c363938675419703d91328af68ec6276b970a568b54a83895aeb57403fbc3a9268a36f340c8f2b266001433f41f01241ec4b16db9e46621a213f30

  • SSDEEP

    12288:WZ0mSDkoeHJosIf5+xtQnyRLe6c0IxR0sOZWPfGVxVski6G27akR:ek9gIHkLTOv0sTnuVskF79R

Malware Config

Signatures

  • Darkcomet

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

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4908
      • C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Checks computer location settings
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2572
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5&del "C:\Users\Admin\AppData\Local\Temp\d96023ce08d8f5d04c03894590a875f6_JaffaCakes118.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Suspicious use of WriteProcessMemory
          PID:1140
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 5
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:1620
        • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
          "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2056
          • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
            "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
            5⤵
            • Executes dropped EXE
            • Writes to the Master Boot Record (MBR)
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1788
            • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
              "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
              6⤵
              • Executes dropped EXE
              • Adds Run key to start application
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:3256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe

    Filesize

    844KB

    MD5

    d96023ce08d8f5d04c03894590a875f6

    SHA1

    8948692a05894b3fe30ca91ec7f9a072e7e2b9d6

    SHA256

    0af2f11e9509185513d5ebb4204399908329333704b4e9f59d094876bdda0da3

    SHA512

    b7ac975c50c363938675419703d91328af68ec6276b970a568b54a83895aeb57403fbc3a9268a36f340c8f2b266001433f41f01241ec4b16db9e46621a213f30

  • memory/1788-40-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/2572-10-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2572-24-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2572-9-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2572-8-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2572-11-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/2572-7-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-42-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-37-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-44-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-43-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-41-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-47-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-49-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-55-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/3256-57-0x0000000000400000-0x00000000004B4000-memory.dmp

    Filesize

    720KB

  • memory/4908-4-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4908-2-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4908-45-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB

  • memory/4908-56-0x0000000000400000-0x00000000004B3000-memory.dmp

    Filesize

    716KB