Overview

overview

10

Static

static

273fc22bc7...fd.exe

windows7_x64

10

273fc22bc7...fd.exe

windows10_x64

10

Sharing

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General

  • Target

    273fc22bc707da117959cd5088c60c3052962fe183a51a2b8a6c66820723cbfd

  • Size

    1.8MB

  • Sample

    201115-ne8d3n4rh6

  • MD5

    9dac373d8e40e65460db0238cb110473

  • SHA1

    240d9a67dbb28122beb4569a3fe04788459d5628

  • SHA256

    273fc22bc707da117959cd5088c60c3052962fe183a51a2b8a6c66820723cbfd

  • SHA512

    47f593b674ef732eabe676f569c51764ea73f60778cb033bd0cf92830e44d51bb6e08f319c9de04ad65abb39d807bc3fda5d93313db6424c9393ce64dd9f4a96

Score
10/10
darkcometvbstedevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

vbsted

C2

forshared.ddns.net:6722

Mutex

DC_MUTEX-6UPV0L8

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    kWdnrSvNCdV5

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      273fc22bc707da117959cd5088c60c3052962fe183a51a2b8a6c66820723cbfd

    • Size

      1.8MB

    • MD5

      9dac373d8e40e65460db0238cb110473

    • SHA1

      240d9a67dbb28122beb4569a3fe04788459d5628

    • SHA256

      273fc22bc707da117959cd5088c60c3052962fe183a51a2b8a6c66820723cbfd

    • SHA512

      47f593b674ef732eabe676f569c51764ea73f60778cb033bd0cf92830e44d51bb6e08f319c9de04ad65abb39d807bc3fda5d93313db6424c9393ce64dd9f4a96

    Score
    10/10
    darkcometvbstedevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks