Overview

overview

10

Static

static

c96b43f2f8...d8.exe

windows7_x64

10

c96b43f2f8...d8.exe

windows10_x64

10

Sharing

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General

  • Target

    c96b43f2f82c887e9d0f4ed04f4ab271058a5782956ff6f9ea5490c1552d29d8

  • Size

    1.8MB

  • Sample

    201106-2l8y5pjgkx

  • MD5

    ce57e410fccfa5cef7fc8a54596639b1

  • SHA1

    86470e960e1615885e2587ac72681d5f304a69bd

  • SHA256

    c96b43f2f82c887e9d0f4ed04f4ab271058a5782956ff6f9ea5490c1552d29d8

  • SHA512

    ef0d3882fa30eaa1d3327ab3aab94feee8d62f98d7d62f92097a359bc107e150c183772bcbe4c441b6aed249066d0ce3f011d9a823c44c6293bd2e145c40b4e4

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

      c96b43f2f82c887e9d0f4ed04f4ab271058a5782956ff6f9ea5490c1552d29d8

    • Size

      1.8MB

    • MD5

      ce57e410fccfa5cef7fc8a54596639b1

    • SHA1

      86470e960e1615885e2587ac72681d5f304a69bd

    • SHA256

      c96b43f2f82c887e9d0f4ed04f4ab271058a5782956ff6f9ea5490c1552d29d8

    • SHA512

      ef0d3882fa30eaa1d3327ab3aab94feee8d62f98d7d62f92097a359bc107e150c183772bcbe4c441b6aed249066d0ce3f011d9a823c44c6293bd2e145c40b4e4

    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