Overview

overview

10

Static

static

8

136a7ffea1...5b.exe

windows7_x64

10

136a7ffea1...5b.exe

windows10_x64

10

Sharing

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General

  • Target

    136a7ffea17fe69ac90d7af6ec1f17ff41bb8ce09bc8c28bd4d331861285ff5b

  • Size

    252KB

  • Sample

    201113-lxqybspzle

  • MD5

    8ac0a60849f224af190f126a5222788f

  • SHA1

    afd425ae211d493f85227cb05929d2784345f4b3

  • SHA256

    136a7ffea17fe69ac90d7af6ec1f17ff41bb8ce09bc8c28bd4d331861285ff5b

  • SHA512

    928932ee4910fecbeee60052f81235c5a8fb6e0a8f20873f4db98e22559b9134d4d33b27f654a613880eb4df5bbe3d10930e0e6f57ebc60cb78494a8b5214d02

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ximer2020.ddns.net:1604

Mutex

DC_MUTEX-4U0HFC0

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    aDFqoxfKfrcR

  • install

    true

  • offline_keylogger

    true

  • password

    82121020202222

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      136a7ffea17fe69ac90d7af6ec1f17ff41bb8ce09bc8c28bd4d331861285ff5b

    • Size

      252KB

    • MD5

      8ac0a60849f224af190f126a5222788f

    • SHA1

      afd425ae211d493f85227cb05929d2784345f4b3

    • SHA256

      136a7ffea17fe69ac90d7af6ec1f17ff41bb8ce09bc8c28bd4d331861285ff5b

    • SHA512

      928932ee4910fecbeee60052f81235c5a8fb6e0a8f20873f4db98e22559b9134d4d33b27f654a613880eb4df5bbe3d10930e0e6f57ebc60cb78494a8b5214d02

    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.

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks