Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 13:30

General

  • Target

    635befd490efbdf382649cee2c68101e_JaffaCakes118.exe

  • Size

    728KB

  • MD5

    635befd490efbdf382649cee2c68101e

  • SHA1

    fe84ae55ee4fcb35715a5c1ddc891e7624b80896

  • SHA256

    d38d7ef94c6aa9881ad8660eb9d1db12998842f7e264539fbbac460dc78d1153

  • SHA512

    50cdddc79c65226159e319c194eec86946c479930d4e066f2f923cf316cd59ed7f20e0722adb90b34618fc20b7571561ef04da705cb9e300c4eacb188e01eb92

  • SSDEEP

    12288:fowD+pYUu7tOZjVrrX8gV0nxjfyZuXhqfdYS8CWcA2p:fowDF7tOZjtBifx6WW

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 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\635befd490efbdf382649cee2c68101e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\635befd490efbdf382649cee2c68101e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Temp\635befd490efbdf382649cee2c68101e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\635befd490efbdf382649cee2c68101e_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          4⤵
            PID:852
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 8
              5⤵
              • Program crash
              PID:4920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 852 -ip 852
      1⤵
        PID:2560

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/2312-10-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2312-1-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2312-2-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2312-3-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2312-5-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2312-4-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2312-0-0x0000000000400000-0x00000000004B0000-memory.dmp

        Filesize

        704KB

      • memory/2708-9-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2708-13-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2708-12-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2708-11-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2708-16-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB

      • memory/2708-19-0x0000000000400000-0x00000000004B7000-memory.dmp

        Filesize

        732KB