Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2024 00:00

General

  • Target

    d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe

  • Size

    483KB

  • MD5

    d443c691f304ba592dd500c6fdf08bec

  • SHA1

    1f6db40bf02a65dadfad40cb86a587f7b11bb701

  • SHA256

    9cf83059673268289d337054ceeb4af6c6a4165552cf2de4664c28d45f2462b9

  • SHA512

    6021d875e753a9152d7ece0e8856b8481c01be73d26e01869d1315308eef9c22fb377c20b3d829b0531b8672ca3234ab942c34124ba84172a15c81a737155e34

  • SSDEEP

    12288:QaZAPK8kO7CWteq1/NpckaFoBpcd1Qbl4c:QwASE74ObRNg1QT

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 BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 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 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Users\Admin\AppData\Local\Temp\d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Users\Admin\AppData\Local\Temp\d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\d443c691f304ba592dd500c6fdf08bec_JaffaCakes118.exe"
        3⤵
        • Modifies WinLogon for persistence
        • Checks BIOS information in registry
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • 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:3676
        • C:\Windows\SysWOW64\notepad.exe
          notepad
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:1980
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          PID:3952
          • C:\Windows\SysWOW64\explorer.exe
            "C:\Windows\SysWOW64\explorer.exe"
            5⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            PID:3644
            • C:\Windows\SysWOW64\explorer.exe
              "C:\Windows\SysWOW64\explorer.exe"
              6⤵
              • Checks BIOS information in registry
              • 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:2920
              • C:\Windows\SysWOW64\notepad.exe
                C:\Windows\SysWOW64\notepad.exe
                7⤵
                • System Location Discovery: System Language Discovery
                PID:372
        • C:\Windows\SysWOW64\notepad.exe
          C:\Windows\SysWOW64\notepad.exe
          4⤵
          • Deletes itself
          • System Location Discovery: System Language Discovery
          PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\GgHsif8eFi8fAef.dll

    Filesize

    2KB

    MD5

    86abab3626563fab5e99e64704c422db

    SHA1

    796f07b6dc34725477fb76ef561bd93f401f18ca

    SHA256

    32f96309d1f0308381f7bf24376e7b70af563316fe0e641a604a9d7afe4d18ca

    SHA512

    cd44208604d83b52e3fb55fe5f486d143919f0a1fe5a9aba617b4e8187b573879286f617cca06ea9686fddb56f3fcf9588d629aa2220bda0b5c8e7abd5567501

  • memory/372-32-0x0000000000900000-0x0000000000901000-memory.dmp

    Filesize

    4KB

  • memory/1904-4-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1904-6-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1904-7-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1904-10-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1980-15-0x00000000011B0000-0x00000000011B1000-memory.dmp

    Filesize

    4KB

  • memory/2288-19-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/2920-35-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2920-34-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2920-33-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/2920-31-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/3676-9-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/3676-12-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/3676-13-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/3676-8-0x0000000013140000-0x00000000131F6000-memory.dmp

    Filesize

    728KB

  • memory/3952-28-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/3952-22-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/3952-21-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB