Overview

overview

10

Static

static

544529431b...b2.exe

windows7_x64

10

544529431b...b2.exe

windows10_x64

10

Sharing

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General

  • Target

    544529431b4a0b9511e81a8e2e253eb873806401a8e97920c13f3d3c703041b2

  • Size

    1.8MB

  • Sample

    201112-h7mb95727x

  • MD5

    e782814693445d42a8e70e04a95a4b9c

  • SHA1

    4c19ee53594a2a2b4f714ac7e02a6801c9f37ec6

  • SHA256

    544529431b4a0b9511e81a8e2e253eb873806401a8e97920c13f3d3c703041b2

  • SHA512

    b8833904e624271dcd79a1b87a4255436be76b5183b59677074d177bf96ba8dd63bdc45f0d713ca1032c66f898a03a24a598e818626d991abd30d5dffe6ea331

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

      544529431b4a0b9511e81a8e2e253eb873806401a8e97920c13f3d3c703041b2

    • Size

      1.8MB

    • MD5

      e782814693445d42a8e70e04a95a4b9c

    • SHA1

      4c19ee53594a2a2b4f714ac7e02a6801c9f37ec6

    • SHA256

      544529431b4a0b9511e81a8e2e253eb873806401a8e97920c13f3d3c703041b2

    • SHA512

      b8833904e624271dcd79a1b87a4255436be76b5183b59677074d177bf96ba8dd63bdc45f0d713ca1032c66f898a03a24a598e818626d991abd30d5dffe6ea331

    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