Analysis

  • max time kernel
    120s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 15:10

General

  • Target

    04c62bd56c337c1a66adbdf6d085e13163bcea0e356b33fbf7f7ca3f0b4fbab2N.exe

  • Size

    658KB

  • MD5

    6d87f2158c4c2536984c4378201516c0

  • SHA1

    12e7efef9abf462b46afb796d95a2cf31e15eb5d

  • SHA256

    04c62bd56c337c1a66adbdf6d085e13163bcea0e356b33fbf7f7ca3f0b4fbab2

  • SHA512

    f7fba5caf16bf5665ea9bf094b75ae90ab96f93edb8316f26d66f429a0f34ef178da1cca27408d9fbc0c7af6e0b140fdf6951c3e5f89897d8048e94859f727e7

  • SSDEEP

    12288:O9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFF:aiBIGkbxqEcjsWiDxguehC2S6

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

devil-95.no-ip.org:1996

Mutex

DCMIN_MUTEX-BTGQ3BM

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    lqgrnqypon5G

  • 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\04c62bd56c337c1a66adbdf6d085e13163bcea0e356b33fbf7f7ca3f0b4fbab2N.exe
    "C:\Users\Admin\AppData\Local\Temp\04c62bd56c337c1a66adbdf6d085e13163bcea0e356b33fbf7f7ca3f0b4fbab2N.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:2376
    • C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe
      "C:\Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\DCSCMIN\IMDCSC.exe

    Filesize

    658KB

    MD5

    6d87f2158c4c2536984c4378201516c0

    SHA1

    12e7efef9abf462b46afb796d95a2cf31e15eb5d

    SHA256

    04c62bd56c337c1a66adbdf6d085e13163bcea0e356b33fbf7f7ca3f0b4fbab2

    SHA512

    f7fba5caf16bf5665ea9bf094b75ae90ab96f93edb8316f26d66f429a0f34ef178da1cca27408d9fbc0c7af6e0b140fdf6951c3e5f89897d8048e94859f727e7

  • memory/2376-12-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2376-0-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/3012-15-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-13-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-14-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-10-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/3012-16-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-17-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-18-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-19-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-20-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-21-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-22-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/3012-23-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB