Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 09:08

General

  • Target

    a70d7083f7c78d14bcfab1ba8d3a61bc_JaffaCakes118.exe

  • Size

    690KB

  • MD5

    a70d7083f7c78d14bcfab1ba8d3a61bc

  • SHA1

    2e2affc3dd9150e8f982ba5f257fcac21df99510

  • SHA256

    75fbe73bb77ba570054ef65d449d4159001e1f9c3374c8ce9dd79654e5819b05

  • SHA512

    fe100f75c2716f6e1304413242b2c751d6acb6dc3df406c948a7a22fdf2434ef2bde579666338f5277b5433c2569c1ee46efb68a59a7a555cb370abdf03d52ff

  • SSDEEP

    12288:LkHcpSHY7VSrfT2/czO3HPGMxwcMTdBZjhEWNQIRuPUJhqfGYx8v4l2:o8uYxSrDzwvt2cqdLhDNQiXJ+GE8

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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a70d7083f7c78d14bcfab1ba8d3a61bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a70d7083f7c78d14bcfab1ba8d3a61bc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\a70d7083f7c78d14bcfab1ba8d3a61bc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a70d7083f7c78d14bcfab1ba8d3a61bc_JaffaCakes118.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Adds Run key to start application
      • 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:1752
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2228
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
          PID:2868
        • C:\Users\Admin\AppData\Roaming\IExplorer\ielowutil.exe
          "C:\Users\Admin\AppData\Roaming\IExplorer\ielowutil.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Users\Admin\AppData\Roaming\IExplorer\ielowutil.exe
            "C:\Users\Admin\AppData\Roaming\IExplorer\ielowutil.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:2632
            • C:\Windows\SysWOW64\explorer.exe
              "C:\Windows\SysWOW64\explorer.exe"
              5⤵
                PID:2660
              • C:\Windows\SysWOW64\notepad.exe
                C:\Windows\SysWOW64\notepad.exe
                5⤵
                • System Location Discovery: System Language Discovery
                PID:3060

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\IExplorer\ielowutil.exe

        Filesize

        690KB

        MD5

        a70d7083f7c78d14bcfab1ba8d3a61bc

        SHA1

        2e2affc3dd9150e8f982ba5f257fcac21df99510

        SHA256

        75fbe73bb77ba570054ef65d449d4159001e1f9c3374c8ce9dd79654e5819b05

        SHA512

        fe100f75c2716f6e1304413242b2c751d6acb6dc3df406c948a7a22fdf2434ef2bde579666338f5277b5433c2569c1ee46efb68a59a7a555cb370abdf03d52ff

      • memory/1752-6-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/1752-7-0x0000000000370000-0x0000000000371000-memory.dmp

        Filesize

        4KB

      • memory/1752-1-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/1752-4-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/1752-5-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/1752-3-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/2228-33-0x0000000000230000-0x0000000000231000-memory.dmp

        Filesize

        4KB

      • memory/2228-9-0x00000000000C0000-0x00000000000C1000-memory.dmp

        Filesize

        4KB

      • memory/2420-0-0x00000000002A0000-0x00000000002A1000-memory.dmp

        Filesize

        4KB

      • memory/2420-2-0x0000000000010000-0x0000000000085000-memory.dmp

        Filesize

        468KB

      • memory/2620-47-0x0000000000010000-0x0000000000085000-memory.dmp

        Filesize

        468KB

      • memory/2632-50-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/2632-51-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB

      • memory/2632-49-0x0000000013140000-0x00000000131FC000-memory.dmp

        Filesize

        752KB