Overview

overview

10

Static

static

10

494f1f9db5...db.exe

windows7_x64

10

494f1f9db5...db.exe

windows10-2004_x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    494f1f9db5268247533e28b2a3785de4bea7cd123e050d97700964943922a6db

  • Size

    658KB

  • Sample

    220714-ag8resgbf9

  • MD5

    d3589c94215ab602474b5d6b6e7a6380

  • SHA1

    49c2134fb14c2546771933b1ddfc53dd0561aa00

  • SHA256

    494f1f9db5268247533e28b2a3785de4bea7cd123e050d97700964943922a6db

  • SHA512

    e2625c5dcd3f44528baf998acf1b6867e6dbaba94679cb6e5faa6b024552f17b2d62442ba04eef57e32f1706572e1ddcdd60748ebd9169b85b8062b6d5641bfa

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

8.tcp.ngrok.io:13657

Mutex

DC_MUTEX-G3PH8LT

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    wAgcpnDzigN6

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      494f1f9db5268247533e28b2a3785de4bea7cd123e050d97700964943922a6db

    • Size

      658KB

    • MD5

      d3589c94215ab602474b5d6b6e7a6380

    • SHA1

      49c2134fb14c2546771933b1ddfc53dd0561aa00

    • SHA256

      494f1f9db5268247533e28b2a3785de4bea7cd123e050d97700964943922a6db

    • SHA512

      e2625c5dcd3f44528baf998acf1b6867e6dbaba94679cb6e5faa6b024552f17b2d62442ba04eef57e32f1706572e1ddcdd60748ebd9169b85b8062b6d5641bfa

    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

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks