Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11/02/2025, 20:27

General

  • Target

    JaffaCakes118_ea02b64872bf57075eb19b3a7c14721c.exe

  • Size

    1.3MB

  • MD5

    ea02b64872bf57075eb19b3a7c14721c

  • SHA1

    65829f2c82b58610aa4d12b6459b52fadd27c9bc

  • SHA256

    539cdcf76a95338f348555fe6809820cc3d63b97f01cff1525d16825cbfa37d2

  • SHA512

    1dbd7174585d78de5bfd2c4767d430a9ecd940bd624478c9c4a207010b93ea0ebd97b88f64d35739be0e22582c8b22709b24651cc14311bcb76bb1c5c7e9e47e

  • SSDEEP

    24576:+thEVaPqLDI0VX4SM6cHzvZlU6QXdaMiPNDUvhe:GEVUcDz4S8H7ZlVOaTPNDUc

Malware Config

Extracted

Family

darkcomet

Attributes
  • gencode

  • install

    false

  • offline_keylogger

    false

  • persistence

    false

rc4.plain

Extracted

Family

darkcomet

Botnet

Guest16

C2

uoku.sytes.net:1604

Mutex

DC_MUTEX-6RX1XUR

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    JmfA2%zA1X/y

  • 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 firewall policy service 3 TTPs 3 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 6 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 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea02b64872bf57075eb19b3a7c14721c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea02b64872bf57075eb19b3a7c14721c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea02b64872bf57075eb19b3a7c14721c.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea02b64872bf57075eb19b3a7c14721c.exe"
      2⤵
      • 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:2672
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ea02b64872bf57075eb19b3a7c14721c.exe"
        3⤵
        • Deletes itself
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Suspicious use of WriteProcessMemory
        PID:2184
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 4
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2564
      • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
          4⤵
          • Modifies firewall policy service
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

    Filesize

    1.3MB

    MD5

    ea02b64872bf57075eb19b3a7c14721c

    SHA1

    65829f2c82b58610aa4d12b6459b52fadd27c9bc

    SHA256

    539cdcf76a95338f348555fe6809820cc3d63b97f01cff1525d16825cbfa37d2

    SHA512

    1dbd7174585d78de5bfd2c4767d430a9ecd940bd624478c9c4a207010b93ea0ebd97b88f64d35739be0e22582c8b22709b24651cc14311bcb76bb1c5c7e9e47e

  • memory/1924-0-0x0000000000400000-0x0000000000562000-memory.dmp

    Filesize

    1.4MB

  • memory/1924-22-0x0000000000400000-0x0000000000562000-memory.dmp

    Filesize

    1.4MB

  • memory/1924-3-0x0000000003CA0000-0x0000000003E02000-memory.dmp

    Filesize

    1.4MB

  • memory/2620-70-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-59-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-75-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-74-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-73-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-72-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-77-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-78-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-71-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-76-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-69-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-68-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-67-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-66-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-62-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-79-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-63-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-64-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2620-65-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-10-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-6-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-1-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-4-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-36-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-33-0x0000000000500000-0x0000000000530000-memory.dmp

    Filesize

    192KB

  • memory/2672-25-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-23-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-24-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-16-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-8-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-12-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-14-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-18-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-20-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2672-19-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/2708-61-0x0000000000400000-0x0000000000562000-memory.dmp

    Filesize

    1.4MB

  • memory/2708-37-0x0000000000400000-0x0000000000562000-memory.dmp

    Filesize

    1.4MB

  • memory/2708-40-0x00000000038A0000-0x0000000003A02000-memory.dmp

    Filesize

    1.4MB