Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/02/2025, 20:53

General

  • Target

    JaffaCakes118_347b333924f23ed13f9da9eb7b97a130.exe

  • Size

    253KB

  • MD5

    347b333924f23ed13f9da9eb7b97a130

  • SHA1

    360ca7cf588fa21d701076ecb829de1ebd9315d3

  • SHA256

    4e001ae37dd5550b531927aeb7afbc030322d32ae9917387caf862ea51c1da5d

  • SHA512

    d5da1a4c7512b7ef78d19d33f30a0fba4d6887e8d841763c7073edeadb31708e15a36b0fdf5fb8fcc4105829557378c78d0a61f002f9ecff2a0f4d549659ab92

  • SSDEEP

    6144:Rl4jPPrpF1s3SV0rK3Ab5lmlaFtL9FuJW:gjHrpF1M40uQHmlqLzu4

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

italy.no-ip.biz:1604

Mutex

AbduLrhmaN-Hacker

Attributes
  • InstallPath

    System\kplu.exe

  • gencode

    PgrSd3GMuDAJ

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    winupdater

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
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 52 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_347b333924f23ed13f9da9eb7b97a130.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_347b333924f23ed13f9da9eb7b97a130.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\System\kplu.exe
      "C:\System\kplu.exe"
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\System\kplu.exe

    Filesize

    253KB

    MD5

    347b333924f23ed13f9da9eb7b97a130

    SHA1

    360ca7cf588fa21d701076ecb829de1ebd9315d3

    SHA256

    4e001ae37dd5550b531927aeb7afbc030322d32ae9917387caf862ea51c1da5d

    SHA512

    d5da1a4c7512b7ef78d19d33f30a0fba4d6887e8d841763c7073edeadb31708e15a36b0fdf5fb8fcc4105829557378c78d0a61f002f9ecff2a0f4d549659ab92

  • memory/892-0-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/892-1-0x00000000006B0000-0x00000000006B3000-memory.dmp

    Filesize

    12KB

  • memory/892-2-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/892-3-0x0000000002860000-0x0000000002861000-memory.dmp

    Filesize

    4KB

  • memory/892-39-0x00000000006B0000-0x00000000006B3000-memory.dmp

    Filesize

    12KB

  • memory/892-38-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-46-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-50-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-43-0x0000000000680000-0x0000000000683000-memory.dmp

    Filesize

    12KB

  • memory/4992-44-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-45-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-40-0x0000000000680000-0x0000000000683000-memory.dmp

    Filesize

    12KB

  • memory/4992-47-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-48-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-49-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-42-0x00000000021D0000-0x00000000021D1000-memory.dmp

    Filesize

    4KB

  • memory/4992-51-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-52-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-53-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-54-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-55-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-56-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-57-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/4992-58-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB