Overview

overview

10

Static

static

fc466c67d5...35.exe

windows7-x64

10

fc466c67d5...35.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    fc466c67d5dc728321932882dc9440317cfb73e9c6554c3807e1ddab6b444935

  • Size

    3.0MB

  • Sample

    221130-nr29aafh66

  • MD5

    6f6614d8d57607da94626df2a6f6115d

  • SHA1

    50bcecaca1aff978d6f79b76fcf7d974cbbdce32

  • SHA256

    fc466c67d5dc728321932882dc9440317cfb73e9c6554c3807e1ddab6b444935

  • SHA512

    1e854ca45b7854874ef28aa84a42d31931018adb0239655b6eb37af6f32d1a55dc301fd5b378b65d2869e3831452418aae3705af0a3290979ee801b6631bb178

  • SSDEEP

    24576:Ihqg3a11e7FXE61jqAdc9DH/73df8XoxZlYscJsLn1D4L4oSnJRxEkQq77GraUDN:IhqoRXE6GtU4hYse+n1kcMGCYVoOPA

Score
10/10
darkcometmainevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Main

C2

leinuo2rat.no-ip.biz:1604

Mutex

DC_MUTEX-ZPESHXD

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    KlPD5oRnmTw4

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    Updata

Targets

    • Target

      fc466c67d5dc728321932882dc9440317cfb73e9c6554c3807e1ddab6b444935

    • Size

      3.0MB

    • MD5

      6f6614d8d57607da94626df2a6f6115d

    • SHA1

      50bcecaca1aff978d6f79b76fcf7d974cbbdce32

    • SHA256

      fc466c67d5dc728321932882dc9440317cfb73e9c6554c3807e1ddab6b444935

    • SHA512

      1e854ca45b7854874ef28aa84a42d31931018adb0239655b6eb37af6f32d1a55dc301fd5b378b65d2869e3831452418aae3705af0a3290979ee801b6631bb178

    • SSDEEP

      24576:Ihqg3a11e7FXE61jqAdc9DH/73df8XoxZlYscJsLn1D4L4oSnJRxEkQq77GraUDN:IhqoRXE6GtU4hYse+n1kcMGCYVoOPA

    Score
    10/10
    darkcometmainevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Tasks