Overview

overview

10

Static

static

10

5e9889d823...18.exe

windows7-x64

10

5e9889d823...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2024, 01:57

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    5e9889d82395491191c9201a5712d5da_JaffaCakes118.exe
  • Size 353KB
  • Sample240720-cdg6ea1fkq
  • SHA256 3396b831071c92d1c62d1aa112f5203fcdda4036ae22c757ee515fae939d5581
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • colinsli.zapto.org:1604

Mutex

  • DC_MUTEX-ZQY73ZA

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    uEqif5qpggxF

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

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

    trojanratdarkcomet
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 3 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e9889d82395491191c9201a5712d5da_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5e9889d82395491191c9201a5712d5da_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • 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\5e9889d82395491191c9201a5712d5da_JaffaCakes118.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3328
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 4
        3⤵
        • Runs ping.exe
        PID:2604

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        msdcsc.exe
        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\MSDCSC\msdcsc.exe
        • Size 353KB
        • SHA256 3396b831071c92d1c62d1aa112f5203fcdda4036ae22c757ee515fae939d5581
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/2024-0-0x0000000000400000-0x00000000004E8000-memory.dmp
        Download

        memory/2024-1-0x0000000000C70000-0x0000000000C71000-memory.dmp
        Download

        memory/2024-52-0x0000000000400000-0x00000000004E8000-memory.dmp
        Download