Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 02:43

General

  • Target

    1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe

  • Size

    390KB

  • MD5

    1464f3dcd4b0d324dba1f25edfdfbc48

  • SHA1

    783bc3b80a525a199d8455a770538c6ffc1d9763

  • SHA256

    76e44b55cee89612253fc46a745d993c410d9f4c81e18b2b90a2b42dd9f81909

  • SHA512

    8f70177a7f0ee6a60880aa6d126ab679763670842db2b49e88e2f8e8e2995f494204687f3591bca0b570b3316d3c0701c29b287cc421c069c427829334044dcc

  • SSDEEP

    6144:OHDpevpiZ+BrNgMvrW8L8axJ1jh4LmXJljbPYj0hX/bOV3wobnzLX:OV+piZ+BhPvrW84ch4L0/QjeP0RzL

Malware Config

Extracted

Family

darkcomet

Botnet

®2050

C2

127solo4ever.no-ip.info:7695

Mutex

DC_MUTEX-JX4GZZ5

Attributes
  • InstallPath

    MSDCSC\HostServices.exe

  • gencode

    jm3NqZerrg9Z

  • install

    true

  • offline_keylogger

    true

  • password

    8621

  • persistence

    true

  • reg_key

    Microsoft corporation

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 15 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\1464f3dcd4b0d324dba1f25edfdfbc48_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2676
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2760
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:2500
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • Deletes itself
        PID:2756
      • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\HostServices.exe
        "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\HostServices.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\HostServices.exe
          "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\HostServices.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2612
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
              PID:2880

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \ProgramData\Microsoft\Windows\Start Menu\MSDCSC\HostServices.exe

      Filesize

      390KB

      MD5

      1464f3dcd4b0d324dba1f25edfdfbc48

      SHA1

      783bc3b80a525a199d8455a770538c6ffc1d9763

      SHA256

      76e44b55cee89612253fc46a745d993c410d9f4c81e18b2b90a2b42dd9f81909

      SHA512

      8f70177a7f0ee6a60880aa6d126ab679763670842db2b49e88e2f8e8e2995f494204687f3591bca0b570b3316d3c0701c29b287cc421c069c427829334044dcc

    • memory/2352-10-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2404-6-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-17-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2404-2-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-4-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-0-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-13-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-14-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-15-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-12-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-16-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-48-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2404-11-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2612-66-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2612-65-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2612-67-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2612-111-0x0000000000400000-0x00000000004CA000-memory.dmp

      Filesize

      808KB

    • memory/2708-63-0x0000000000400000-0x0000000000469000-memory.dmp

      Filesize

      420KB

    • memory/2756-37-0x00000000001D0000-0x00000000001D1000-memory.dmp

      Filesize

      4KB

    • memory/2756-21-0x0000000000080000-0x0000000000081000-memory.dmp

      Filesize

      4KB