Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/07/2024, 21:04

General

  • Target

    64cd2373922e1f91aa16ba62489e405d_JaffaCakes118.exe

  • Size

    232KB

  • MD5

    64cd2373922e1f91aa16ba62489e405d

  • SHA1

    268ed7e02b0a96f7848693bc786dbe5577480c21

  • SHA256

    1b76fdeaab7fd1396bdad14d918b25243a0068c8385594e6ac954f08c597c0c7

  • SHA512

    4b97029db9e11711d4355dfe1d9d0bb9c4f5e2a26faf5d1c1eddab7226ab1405cfaac38641d91f8906b333f752e6809ce27636ee6e47734077a37f433e3df00a

  • SSDEEP

    6144:RjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMKwoS:dFy9bPQZlFjrG0ZmYbwFwoS

Malware Config

Extracted

Family

darkcomet

Botnet

monononoono

C2

spooky1990.no-ip.info:101

Mutex

DCMIN_MUTEX-PNH5KK5

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    yqZmtoKl4yua

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Signatures

  • Darkcomet

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

  • Modifies WinLogon for persistence 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 1 IoCs
  • UPX packed file 18 IoCs

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

  • 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).

  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64cd2373922e1f91aa16ba62489e405d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\64cd2373922e1f91aa16ba62489e405d_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4948
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

    Filesize

    232KB

    MD5

    64cd2373922e1f91aa16ba62489e405d

    SHA1

    268ed7e02b0a96f7848693bc786dbe5577480c21

    SHA256

    1b76fdeaab7fd1396bdad14d918b25243a0068c8385594e6ac954f08c597c0c7

    SHA512

    4b97029db9e11711d4355dfe1d9d0bb9c4f5e2a26faf5d1c1eddab7226ab1405cfaac38641d91f8906b333f752e6809ce27636ee6e47734077a37f433e3df00a

  • memory/1608-20-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-21-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-13-0x0000000002180000-0x0000000002181000-memory.dmp

    Filesize

    4KB

  • memory/1608-29-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-15-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-16-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-17-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-18-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-28-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-19-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-27-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-22-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-23-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-24-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-25-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/1608-26-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4948-14-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB

  • memory/4948-1-0x00000000024C0000-0x00000000024C1000-memory.dmp

    Filesize

    4KB

  • memory/4948-0-0x0000000000400000-0x00000000004B7000-memory.dmp

    Filesize

    732KB