Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2024 16:52

General

  • Target

    4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118.exe

  • Size

    892KB

  • MD5

    4df44ca2c7570f3d9e9c30406b3b8bd4

  • SHA1

    28339f2ff0068f9c8a897b4577725427a44e850f

  • SHA256

    0ee7becba3baec32cbef0f2fdfc75785ce4a76652e8994f86c6eeaf4f47999fb

  • SHA512

    b4da154cd7bab93cbd31882c47f999f00ff120a9e0ca44a85efd75137f7be1b6710e9387aa06411a82f883a8b4c3c1885f81fa8ff9a6551159e015f495502a08

  • SSDEEP

    24576:GwQrN2K3yWds0JkKyVykcinQ3v0lHKqq7FoAKakRbqN+p+:GlQadsLQviQcHKqqpPT+p+

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.

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 6 IoCs

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

  • Program crash 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 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 23 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\4df44ca2c7570f3d9e9c30406b3b8bd4_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2540
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\SysWOW64\explorer.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 176
          4⤵
          • Program crash
          PID:1696
      • C:\Windows\SysWOW64\notepad.exe
        C:\Windows\SysWOW64\notepad.exe
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2120-10-0x0000000013140000-0x000000001320D000-memory.dmp

    Filesize

    820KB

  • memory/2120-5-0x0000000013140000-0x000000001320D000-memory.dmp

    Filesize

    820KB

  • memory/2120-4-0x0000000013140000-0x000000001320D000-memory.dmp

    Filesize

    820KB

  • memory/2120-73-0x0000000013140000-0x000000001320D000-memory.dmp

    Filesize

    820KB

  • memory/2120-12-0x00000000003F0000-0x00000000003F1000-memory.dmp

    Filesize

    4KB

  • memory/2120-9-0x0000000013140000-0x000000001320D000-memory.dmp

    Filesize

    820KB

  • memory/2120-11-0x0000000013140000-0x000000001320D000-memory.dmp

    Filesize

    820KB

  • memory/2360-8-0x0000000000400000-0x00000000007A6000-memory.dmp

    Filesize

    3.6MB

  • memory/2360-0-0x0000000000400000-0x00000000007A6000-memory.dmp

    Filesize

    3.6MB

  • memory/2360-6-0x00000000039F0000-0x0000000003D96000-memory.dmp

    Filesize

    3.6MB

  • memory/2540-15-0x00000000000D0000-0x00000000000D1000-memory.dmp

    Filesize

    4KB

  • memory/2540-34-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2716-43-0x0000000000400000-0x00000000007A6000-memory.dmp

    Filesize

    3.6MB

  • memory/2716-41-0x0000000000400000-0x00000000007A6000-memory.dmp

    Filesize

    3.6MB

  • memory/2716-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-37-0x0000000000400000-0x00000000007A6000-memory.dmp

    Filesize

    3.6MB

  • memory/2832-72-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB