Overview

overview

10

Static

static

10

opengl installer.exe

windows7_x64

10

opengl installer.exe

windows10-2004_x64

10

Resubmissions

14-04-2022 12:59

220414-p8a2sshebl 10

29-06-2021 08:03

210629-akz5ha9y3n 10

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General

  • Target

    opengl installer.exe

  • Size

    252KB

  • Sample

    220414-p8a2sshebl

  • MD5

    ad987dd8602b2b78090a08f73212a7a0

  • SHA1

    4cc227c83d1403a29c2f68ef0afe12725e0dc996

  • SHA256

    5a2ab897c8f8d779118f7e29f018796913274a8e6d7d815955c028bd9a576360

  • SHA512

    248f94693dd0ee2514f900a1d68356179e971c29ca625fb499aab6dc7767dedcf452dfa9ccc571c06cb2cbdd32798d7451bbc4a917014b5147e22ffdec3bd47d

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

vmcollab.duckdns.org:25565

Mutex

DC_MUTEX-A7C9C03

Attributes
  • InstallPath

    Microsoft\msdcsc.exe

  • gencode

    dKGrhcbe5liA

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

Targets

    • Target

      opengl installer.exe

    • Size

      252KB

    • MD5

      ad987dd8602b2b78090a08f73212a7a0

    • SHA1

      4cc227c83d1403a29c2f68ef0afe12725e0dc996

    • SHA256

      5a2ab897c8f8d779118f7e29f018796913274a8e6d7d815955c028bd9a576360

    • SHA512

      248f94693dd0ee2514f900a1d68356179e971c29ca625fb499aab6dc7767dedcf452dfa9ccc571c06cb2cbdd32798d7451bbc4a917014b5147e22ffdec3bd47d

    Score
    10/10
    darkcometevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Disables RegEdit via registry modification

      evasion

    • 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

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks