Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-10-2024 11:51

General

  • Target

    7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe

  • Size

    265KB

  • MD5

    7396739e8713e3e3e6f8917a9299c962

  • SHA1

    ac141e09e479a5df8c78c56e2651f7b76e78c89e

  • SHA256

    bcb2babada75a2347334673af4ab2f6af8cf8f38a0bdf278d0c43fd0dd80e05b

  • SHA512

    1543c0b1ce4e3967b01c1ec00967f0a6d60a37737c310d1290a6963d088be99bea06d5a9004143ab839c22b789898c082623f2cbc69ed8d2d123de2d18dd7802

  • SSDEEP

    6144:Td2d1hhrmXyrwlUdfcODhDg9MFagC47BOUUbJK0MMg:Tcd1hlwEWMFaV44dRg

Malware Config

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 WriteProcessMemory 59 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7396739e8713e3e3e6f8917a9299c962_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\rundll32.exe
      C:\Windows\rundll32.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks BIOS information in registry
      • Executes dropped EXE
      • 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:2408
      • C:\Windows\notepad.exe
        notepad
        3⤵
          PID:2524
        • C:\Windows\SysWOW64\explorer.exe
          "C:\Windows\SysWOW64\explorer.exe"
          3⤵
          • Modifies firewall policy service
          • Checks BIOS information in registry
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Enumerates system info in registry
          • Suspicious use of AdjustPrivilegeToken
          PID:2900
        • C:\Windows\SysWOW64\notepad.exe
          C:\Windows\SysWOW64\notepad.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3036
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 224
            4⤵
            • Program crash
            PID:2660

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\rundll32.exe

      Filesize

      259KB

      MD5

      2cac0b51472ca6d9bf738d0fd397f18b

      SHA1

      817909d815cce0de4532efa871d38a1725c0e81e

      SHA256

      07fd54107068dda708a17af5bbe47898e31bf870fd201a41ebf18cd891fcc17c

      SHA512

      91e66d9e139e215b2fe467adcbbdf7fbbf97eef7ecaed8e11a12d91d2c6643e5a0b71fde3ca244cee2bf6059cf63edd76d291cc15bf5135a08c09945b25c5cd1

    • memory/2092-6-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2408-71-0x0000000000290000-0x0000000000293000-memory.dmp

      Filesize

      12KB

    • memory/2408-8-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2408-10-0x0000000000290000-0x0000000000293000-memory.dmp

      Filesize

      12KB

    • memory/2408-70-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2524-12-0x0000000000060000-0x0000000000061000-memory.dmp

      Filesize

      4KB

    • memory/2900-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2900-46-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-42-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-72-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-68-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-74-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-73-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-76-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-75-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/2900-78-0x0000000013140000-0x0000000013208000-memory.dmp

      Filesize

      800KB

    • memory/3036-67-0x00000000001D0000-0x00000000001D1000-memory.dmp

      Filesize

      4KB