Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-12-2024 01:35

General

  • Target

    ANTI.exe

  • Size

    649KB

  • MD5

    2228a7c38b50114e7bec2d943f06acde

  • SHA1

    15c6b33fe6a0ca328c2036b9017cd6d3a4a4397e

  • SHA256

    49c0b1d294cca6b6c0d78b16f2b0efb081cd49bfe586653ea533b07328761aa6

  • SHA512

    8c19ec40e2599613f7a8e4ba4544a1080f49db1740939c4fce4fcb8a0e9e111c4548a5aab6a0246b335858b6bf258ed7f2faa84c8d3d157e093fd5803ba5f488

  • SSDEEP

    12288:bk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+X:Q0QRWoJEfg0oChGdJQbjPbNW5tYeP+Ge

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

BAHROZPOOL.ZAPTO.ORG:1604

Mutex

DCMIN_MUTEX-FQK5TTL

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    brdwfMVFo8ev

  • 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.

  • Darkcomet family
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ANTI.exe
    "C:\Users\Admin\AppData\Local\Temp\ANTI.exe"
    1⤵
    • 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:2696
    • C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3068

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    649KB

    MD5

    2228a7c38b50114e7bec2d943f06acde

    SHA1

    15c6b33fe6a0ca328c2036b9017cd6d3a4a4397e

    SHA256

    49c0b1d294cca6b6c0d78b16f2b0efb081cd49bfe586653ea533b07328761aa6

    SHA512

    8c19ec40e2599613f7a8e4ba4544a1080f49db1740939c4fce4fcb8a0e9e111c4548a5aab6a0246b335858b6bf258ed7f2faa84c8d3d157e093fd5803ba5f488

  • memory/2696-1-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/2696-10-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-16-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-18-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-12-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-14-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-15-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-11-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/3068-17-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-13-0x00000000001F0000-0x00000000001F1000-memory.dmp

    Filesize

    4KB

  • memory/3068-19-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-20-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-21-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-22-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-23-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-24-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-25-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB

  • memory/3068-26-0x0000000000400000-0x00000000004B0000-memory.dmp

    Filesize

    704KB