Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 04:25

General

  • Target

    d112132d27f9b6e84cb9784200b64303_JaffaCakes118.exe

  • Size

    788KB

  • MD5

    d112132d27f9b6e84cb9784200b64303

  • SHA1

    1ed600d73eb2d91a26a6fad885e78019a1e59f57

  • SHA256

    ffba5c94c4f84db082950b8ac931a6259dd8b201b8d65b032bf416c40be5b6e2

  • SHA512

    f255ebce177fa7125fb33acd26c7e0f9b9b941c7aa4d41ea0a40c624f72c082caa2db91b98af9b554401f69ec28b55e6e6329bdb9a2a0e2c6643f7b5a6ee9397

  • SSDEEP

    12288:azUA4iOjq4LISO9yU1R74xUdY9zkWd2xexgUWUGlso6bDn4m0q:SUA1x19BR839zMxSBWUGlszn4m0

Malware Config

Signatures

  • Darkcomet

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

  • 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 7 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
  • Modifies registry class 1 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\d112132d27f9b6e84cb9784200b64303_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d112132d27f9b6e84cb9784200b64303_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Users\Admin\AppData\Local\Temp\d112132d27f9b6e84cb9784200b64303_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d112132d27f9b6e84cb9784200b64303_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • 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
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3528
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4032
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
          • 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
          • Suspicious use of WriteProcessMemory
          PID:2164
          • C:\Windows\SysWOW64\notepad.exe
            C:\Windows\SysWOW64\notepad.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4496
      • C:\Users\Admin\AppData\Roaming\svchost\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4368

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          788KB

          MD5

          d112132d27f9b6e84cb9784200b64303

          SHA1

          1ed600d73eb2d91a26a6fad885e78019a1e59f57

          SHA256

          ffba5c94c4f84db082950b8ac931a6259dd8b201b8d65b032bf416c40be5b6e2

          SHA512

          f255ebce177fa7125fb33acd26c7e0f9b9b941c7aa4d41ea0a40c624f72c082caa2db91b98af9b554401f69ec28b55e6e6329bdb9a2a0e2c6643f7b5a6ee9397

        • memory/2164-77-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2164-78-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2164-79-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2164-75-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2164-74-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2380-4-0x0000000002730000-0x0000000002731000-memory.dmp

          Filesize

          4KB

        • memory/2380-70-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2380-1-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2380-3-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2380-2-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/2380-0-0x0000000013140000-0x00000000131F6000-memory.dmp

          Filesize

          728KB

        • memory/3528-6-0x0000000000A60000-0x0000000000A61000-memory.dmp

          Filesize

          4KB

        • memory/4032-11-0x0000000000400000-0x00000000004C9000-memory.dmp

          Filesize

          804KB

        • memory/4032-10-0x0000000000400000-0x00000000004C9000-memory.dmp

          Filesize

          804KB

        • memory/4032-8-0x0000000000400000-0x00000000004C9000-memory.dmp

          Filesize

          804KB

        • memory/4032-71-0x0000000000400000-0x00000000004C9000-memory.dmp

          Filesize

          804KB

        • memory/4496-76-0x0000000000920000-0x0000000000921000-memory.dmp

          Filesize

          4KB