Overview

overview

10

Static

static

10

b02479bd2f...02.exe

windows7_x64

10

b02479bd2f...02.exe

windows10_x64

10

Sharing

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General

  • Target

    b02479bd2f3ff635c7379a62ca54e502

  • Size

    658KB

  • Sample

    201214-dwj67183ln

  • MD5

    b02479bd2f3ff635c7379a62ca54e502

  • SHA1

    ab25e517492161e240093753a9fb41d8cca6aa98

  • SHA256

    668b49adbd859ede384b13bfa1082ad5254df49d8841e39fcff375bf15e057ca

  • SHA512

    6b767502a250ee86dbece2ea14dce930ead6b0fadf97431fbb8363bc046ef5528444f875ce9a18fde72c8a2d88271a095d559b43bd1301b397fa0f303641a312

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

95.31.38.1:1604

lololoshka228.ddns.net:1604
Mutex

DC_MUTEX-QBCS1A4

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    NNCa8eHTowkP

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      b02479bd2f3ff635c7379a62ca54e502

    • Size

      658KB

    • MD5

      b02479bd2f3ff635c7379a62ca54e502

    • SHA1

      ab25e517492161e240093753a9fb41d8cca6aa98

    • SHA256

      668b49adbd859ede384b13bfa1082ad5254df49d8841e39fcff375bf15e057ca

    • SHA512

      6b767502a250ee86dbece2ea14dce930ead6b0fadf97431fbb8363bc046ef5528444f875ce9a18fde72c8a2d88271a095d559b43bd1301b397fa0f303641a312

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • 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.

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
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