Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 23:53

General

  • Target

    97f3a3b2bf49547f9de57f392a154b71_JaffaCakes118.exe

  • Size

    659KB

  • MD5

    97f3a3b2bf49547f9de57f392a154b71

  • SHA1

    0f648e59befbb33d138da6440ec844254566e2be

  • SHA256

    541bc964b35cfd983faddcd8f7f78ce6d45354aee9c34191892f70627b50d525

  • SHA512

    3d61a8f1b9bf48093bbda71de2d9190353b82dfd7cb215aa002a1bb96ca02860c3ae85a2d15ea91c3e0cc27d5469c588a46320b02772dad31ea008b0c2b4bd27

  • SSDEEP

    12288:h9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKV:XAQ6Zx9cxTmOrucTIEFSpOGw

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
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Windows security bypass 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
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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
  • Suspicious behavior: GetForegroundWindowSpam 1 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\97f3a3b2bf49547f9de57f392a154b71_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\97f3a3b2bf49547f9de57f392a154b71_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Drops file in System32 directory
    • 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:1152
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
      • Adds Run key to start application
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      PID:2400
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Modifies firewall policy service
      • Windows security bypass
      • Checks BIOS information in registry
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2344
    • C:\Windows\SysWOW64\notepad.exe
      C:\Windows\SysWOW64\notepad.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Winupdate\winupdater.exe

    Filesize

    659KB

    MD5

    97f3a3b2bf49547f9de57f392a154b71

    SHA1

    0f648e59befbb33d138da6440ec844254566e2be

    SHA256

    541bc964b35cfd983faddcd8f7f78ce6d45354aee9c34191892f70627b50d525

    SHA512

    3d61a8f1b9bf48093bbda71de2d9190353b82dfd7cb215aa002a1bb96ca02860c3ae85a2d15ea91c3e0cc27d5469c588a46320b02772dad31ea008b0c2b4bd27

  • memory/1152-0-0x0000000001D70000-0x0000000001D71000-memory.dmp

    Filesize

    4KB

  • memory/1152-51-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2400-2-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2400-25-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/2820-34-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2820-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2820-52-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2820-30-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2820-54-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2820-55-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2820-56-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2820-99-0x0000000013140000-0x00000000131F7000-memory.dmp

    Filesize

    732KB

  • memory/2988-50-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB