Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-01-2025 07:46

General

  • Target

    JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe

  • Size

    283KB

  • MD5

    78827ea6267d6e13deeaabf83c564a30

  • SHA1

    358f5b6da89fce5b40bb656f04e96ac9beaa6793

  • SHA256

    d13019a4b6cadfe2158c2d5618a5138bf83575bd93899ab4539a219b7313e50e

  • SHA512

    3588556725d823cb38fd497cea795b9b35a8b0e1e15e0472265bb7060d344b4aaae3d1162e7fcb1ef90da8d2208e29d0853f31f07af4ad48e5e4560cd7010d74

  • SSDEEP

    6144:FcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37C:FcW7KEZlPzCy37C

Malware Config

Extracted

Family

darkcomet

Botnet

Hack

C2

slimeftp.ddns.net:1604

Mutex

DC_MUTEX-QPDTQVV

Attributes
  • InstallPath

    friedhost.exe

  • gencode

    N9ngM7z9Ub0y

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    friedhost.exe

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
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 19 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 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78827ea6267d6e13deeaabf83c564a30.exe" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:2588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2776
      • C:\Windows\SysWOW64\attrib.exe
        attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Sets file to hidden
        • System Location Discovery: System Language Discovery
        • Views/modifies file attributes
        PID:1776
    • C:\Users\Admin\AppData\Roaming\friedhost.exe
      "C:\Users\Admin\AppData\Roaming\friedhost.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2696
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\friedhost.exe

    Filesize

    283KB

    MD5

    78827ea6267d6e13deeaabf83c564a30

    SHA1

    358f5b6da89fce5b40bb656f04e96ac9beaa6793

    SHA256

    d13019a4b6cadfe2158c2d5618a5138bf83575bd93899ab4539a219b7313e50e

    SHA512

    3588556725d823cb38fd497cea795b9b35a8b0e1e15e0472265bb7060d344b4aaae3d1162e7fcb1ef90da8d2208e29d0853f31f07af4ad48e5e4560cd7010d74

  • memory/2068-54-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/2068-16-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2252-12-0x0000000003690000-0x0000000003757000-memory.dmp

    Filesize

    796KB

  • memory/2252-1-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2252-0-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2252-56-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-60-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-64-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-57-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-58-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-59-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-14-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2696-61-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-62-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-63-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-13-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-65-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-66-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-67-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-68-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-69-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-70-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB

  • memory/2696-71-0x0000000000400000-0x00000000004C7000-memory.dmp

    Filesize

    796KB