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
    18-10-2024 22:11

General

  • Target

    599af5de6f54ee3c86d3a3c54700bcdf_JaffaCakes118.exe

  • Size

    747KB

  • MD5

    599af5de6f54ee3c86d3a3c54700bcdf

  • SHA1

    4abb6e34c55fe8ecbe31ef0d9994c465aa1c92ff

  • SHA256

    b2ee1ba7d7ed90f4fc4992a6821e444f4d867282db5e4aef83d7294c816716fc

  • SHA512

    190f0a232a2a452870feba4f34006d80cce4a831592a29373d0e91c07e6ecfac1d3f6a9dc43d6985bafbdc586c3efab622d5b5eefc876ae99545bfdb420a0534

  • SSDEEP

    12288:9D6DqQVsqnbRhYC8unT2GhsW3MuwkXBrr7vt2ClhtiaZubQjJMPqkptWKNsW2mCQ:9DWqQVsqnlhZFT2cswoArft2Clht1OWJ

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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • 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 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\599af5de6f54ee3c86d3a3c54700bcdf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\599af5de6f54ee3c86d3a3c54700bcdf_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Users\Admin\AppData\Local\Temp\599af5de6f54ee3c86d3a3c54700bcdf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\599af5de6f54ee3c86d3a3c54700bcdf_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Checks computer location settings
      • Adds Run key to start application
      • 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:5000
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:3616
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:4916
        • C:\Windupdt\winupdate.exe
          "C:\Windupdt\winupdate.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5048
          • C:\Windupdt\winupdate.exe
            "C:\Windupdt\winupdate.exe"
            4⤵
            • Checks BIOS information in registry
            • Executes dropped EXE
            • 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:4748
            • C:\Windows\SysWOW64\explorer.exe
              "C:\Windows\SysWOW64\explorer.exe"
              5⤵
                PID:2492

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windupdt\winupdate.exe

        Filesize

        747KB

        MD5

        599af5de6f54ee3c86d3a3c54700bcdf

        SHA1

        4abb6e34c55fe8ecbe31ef0d9994c465aa1c92ff

        SHA256

        b2ee1ba7d7ed90f4fc4992a6821e444f4d867282db5e4aef83d7294c816716fc

        SHA512

        190f0a232a2a452870feba4f34006d80cce4a831592a29373d0e91c07e6ecfac1d3f6a9dc43d6985bafbdc586c3efab622d5b5eefc876ae99545bfdb420a0534

      • memory/3616-6-0x00000000008C0000-0x00000000008C1000-memory.dmp

        Filesize

        4KB

      • memory/4748-71-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/4748-70-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/4748-72-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/4748-73-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/4748-74-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/4748-75-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/5000-3-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/5000-4-0x00000000022B0000-0x00000000022B1000-memory.dmp

        Filesize

        4KB

      • memory/5000-2-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/5000-0-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/5000-66-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB

      • memory/5000-1-0x0000000013140000-0x00000000131F6000-memory.dmp

        Filesize

        728KB