Overview

overview

10

Static

static

10

9daf2e407e...d2.exe

windows7-x64

10

9daf2e407e...d2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9daf2e407e3ef33746785d43df1dd0d2

  • Size

    658KB

  • Sample

    240215-mnmhzsfa38

  • MD5

    9daf2e407e3ef33746785d43df1dd0d2

  • SHA1

    35c5a8cd80574c1eb0ec5a7e19067aa90572aee0

  • SHA256

    d4338c2273e6307b96b7fec2612c0ae0839abda3beb365b825bc6c4a311fcbac

  • SHA512

    fc47415d6422fbf103f656aa5e9dd69662c24bd31db71163d218af0515c08efb922ce6ab67588b4c6a53fc7f55477ac80dfc06519d19477567034b5b33eb6ce8

  • SSDEEP

    12288:S9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZK3/X:+iBIGkbxqEcjsWiDxguehC2+

Score
10/10
darkcometmardegraevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

MarDeGra

C2

mardegra.noip.me:1604

Mutex

DC_MUTEX-Q0KDHJZ

Attributes
  • InstallPath

    MicroUpdate\Update.exe

  • gencode

    bx91HirQHpEM

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      9daf2e407e3ef33746785d43df1dd0d2

    • Size

      658KB

    • MD5

      9daf2e407e3ef33746785d43df1dd0d2

    • SHA1

      35c5a8cd80574c1eb0ec5a7e19067aa90572aee0

    • SHA256

      d4338c2273e6307b96b7fec2612c0ae0839abda3beb365b825bc6c4a311fcbac

    • SHA512

      fc47415d6422fbf103f656aa5e9dd69662c24bd31db71163d218af0515c08efb922ce6ab67588b4c6a53fc7f55477ac80dfc06519d19477567034b5b33eb6ce8

    • SSDEEP

      12288:S9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZK3/X:+iBIGkbxqEcjsWiDxguehC2+

    Score
    10/10
    darkcometmardegraevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks