Overview

overview

10

Static

static

10

a79f889518...ac.exe

windows7-x64

10

a79f889518...ac.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a79f889518c35f593e27b1eab59a066fe953196cddc0b9ac4114d966e3b596ac

  • Size

    784KB

  • Sample

    230130-e4mjxsag2s

  • MD5

    0d564e476fc7812db303da40e79697d0

  • SHA1

    9b9ae661a250966a18e72ad98abf3d6e0e0d1e8b

  • SHA256

    a79f889518c35f593e27b1eab59a066fe953196cddc0b9ac4114d966e3b596ac

  • SHA512

    98a1747d2688cfeed81e4cfb461b7b4a55cd4943afa81169c8341f98c06846615c95dad82bd1d48f2434230c83faac6ea13f7bacafffcf9aca264ed25da84c4f

  • SSDEEP

    12288:4cW7KEZlPzCy37/J1lrOfUkKlKVWetkuk2QOXAdn8/b5ZdKebJ:0KiRzC01dtIVWetkuk9Owdn8lO

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.30.128:1604

Mutex

DC_MUTEX-888FBA9

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    p5UHrgxwHf0b

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      a79f889518c35f593e27b1eab59a066fe953196cddc0b9ac4114d966e3b596ac

    • Size

      784KB

    • MD5

      0d564e476fc7812db303da40e79697d0

    • SHA1

      9b9ae661a250966a18e72ad98abf3d6e0e0d1e8b

    • SHA256

      a79f889518c35f593e27b1eab59a066fe953196cddc0b9ac4114d966e3b596ac

    • SHA512

      98a1747d2688cfeed81e4cfb461b7b4a55cd4943afa81169c8341f98c06846615c95dad82bd1d48f2434230c83faac6ea13f7bacafffcf9aca264ed25da84c4f

    • SSDEEP

      12288:4cW7KEZlPzCy37/J1lrOfUkKlKVWetkuk2QOXAdn8/b5ZdKebJ:0KiRzC01dtIVWetkuk9Owdn8lO

    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

    • Adds Run key to start application

      persistence
    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

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks