Overview

overview

10

Static

static

609128309d...da.exe

windows7-x64

10

609128309d...da.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    609128309dbf129d8f1cc8e3c14e0c84485a8092d93e17b8a3fc38e37f6f24da

  • Size

    663KB

  • Sample

    221126-2qe91sed3s

  • MD5

    e54a1ca1c5c4259ad65bfe9d71e70080

  • SHA1

    d6d388ace093d002dcfadff4daab1bdcdc74bd49

  • SHA256

    609128309dbf129d8f1cc8e3c14e0c84485a8092d93e17b8a3fc38e37f6f24da

  • SHA512

    c15b48d75b8e754f91d12bdb8938579bc814625f83662c4c78df8831af47c775db8368930d45b22acb3d008daacf2e1b9938467cc261a5716ec225391cf5d6ef

  • SSDEEP

    12288:95xELLJZ0iUg9/L2V+7Xg8P99zhUOsNPNKw7fW/SphOY1Ij:9vsVOg98kP90OK7f64hOY1E

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

markben390.no-ip.org:1604

Mutex

DC_MUTEX-UU3AFB4

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Di8UpZmPhKYN

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      609128309dbf129d8f1cc8e3c14e0c84485a8092d93e17b8a3fc38e37f6f24da

    • Size

      663KB

    • MD5

      e54a1ca1c5c4259ad65bfe9d71e70080

    • SHA1

      d6d388ace093d002dcfadff4daab1bdcdc74bd49

    • SHA256

      609128309dbf129d8f1cc8e3c14e0c84485a8092d93e17b8a3fc38e37f6f24da

    • SHA512

      c15b48d75b8e754f91d12bdb8938579bc814625f83662c4c78df8831af47c775db8368930d45b22acb3d008daacf2e1b9938467cc261a5716ec225391cf5d6ef

    • SSDEEP

      12288:95xELLJZ0iUg9/L2V+7Xg8P99zhUOsNPNKw7fW/SphOY1Ij:9vsVOg98kP90OK7f64hOY1E

    Score
    10/10
    darkcometguest16persistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Scripting

1
T1064

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks