Overview

overview

10

Static

static

10

7845e3ad02...e0.exe

windows7-x64

7845e3ad02...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7845e3ad0296d12893b2735d4030376213e1b68f335c679c5e150f6a021618e0

  • Size

    690KB

  • Sample

    220731-nt22asfdeq

  • MD5

    a6fc15a4d07a4499215d9b1b26e10410

  • SHA1

    cbd72b00f5437ac93a076c945a2c5196aff28e49

  • SHA256

    7845e3ad0296d12893b2735d4030376213e1b68f335c679c5e150f6a021618e0

  • SHA512

    194da568d5aa65c8958dd42b5aed564806d8079fc8d5252e2ff2589fc05e8af496f6cf498e5ec02640e1d6c25c3697bdd9109a2bc68f893d9725dc92badfea09

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

daniil39111.ddns.net:3004

Mutex

DC_MUTEX-0FKK5K4

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Vs57NZjoBcZW

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      7845e3ad0296d12893b2735d4030376213e1b68f335c679c5e150f6a021618e0

    • Size

      690KB

    • MD5

      a6fc15a4d07a4499215d9b1b26e10410

    • SHA1

      cbd72b00f5437ac93a076c945a2c5196aff28e49

    • SHA256

      7845e3ad0296d12893b2735d4030376213e1b68f335c679c5e150f6a021618e0

    • SHA512

      194da568d5aa65c8958dd42b5aed564806d8079fc8d5252e2ff2589fc05e8af496f6cf498e5ec02640e1d6c25c3697bdd9109a2bc68f893d9725dc92badfea09

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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.

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

2
T1089

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks