Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/03/2025, 05:01

General

  • Target

    JaffaCakes118_89876ef0a94cfddbb4b31534318f54fc.exe

  • Size

    1.3MB

  • MD5

    89876ef0a94cfddbb4b31534318f54fc

  • SHA1

    5c93e429dbf56fb484e24279c50175cdb9250b8c

  • SHA256

    3eacba75107f0586735eb29133eddc6bd326a5d69b6d72bfbd0b77519ccd07a8

  • SHA512

    ddb1d97a21d5364ad89b83a9f1c18aaac601d9df601412fc9c1148a8db6a5d9f4ed43b247201b80c81a020cf881e0bc40a3c0a05c9d6ed58d2e0f61439a39fa3

  • SSDEEP

    24576:AxLXDSHJeHQjiCA7BRSztzxdfhf6PQl1hfwUenzZQ:AxaHCGpyBMDh6P2wUenS

Malware Config

Extracted

Family

darkcomet

Botnet

The Joker Hacker

C2

thejokerhacker.no-ip.biz:288

Mutex

DC_MUTEX-PHDL86N

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    HP4pYsV9BXK4

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

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 security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 36 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 5 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89876ef0a94cfddbb4b31534318f54fc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89876ef0a94cfddbb4b31534318f54fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89876ef0a94cfddbb4b31534318f54fc.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89876ef0a94cfddbb4b31534318f54fc.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\MSDCSC\msdcsc.exe
        "C:\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:6036
        • C:\MSDCSC\msdcsc.exe
          C:\MSDCSC\msdcsc.exe
          4⤵
          • Modifies security service
          • Windows security bypass
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4708
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
            • System Location Discovery: System Language Discovery
            PID:4896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSDCSC\msdcsc.exe

    Filesize

    1.3MB

    MD5

    89876ef0a94cfddbb4b31534318f54fc

    SHA1

    5c93e429dbf56fb484e24279c50175cdb9250b8c

    SHA256

    3eacba75107f0586735eb29133eddc6bd326a5d69b6d72bfbd0b77519ccd07a8

    SHA512

    ddb1d97a21d5364ad89b83a9f1c18aaac601d9df601412fc9c1148a8db6a5d9f4ed43b247201b80c81a020cf881e0bc40a3c0a05c9d6ed58d2e0f61439a39fa3

  • memory/2880-9-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/2880-1-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/2880-0-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/4680-7-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-3-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-53-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-10-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-13-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-14-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-12-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-11-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-4-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4680-2-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-69-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-82-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-61-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-89-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-63-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-64-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-67-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-62-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-88-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-68-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-71-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-87-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-73-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-74-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-76-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-77-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-78-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-79-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-80-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-81-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-86-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-83-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-84-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4708-85-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4896-70-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

    Filesize

    4KB

  • memory/6036-50-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/6036-49-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/6036-66-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB