Overview

overview

10

Static

static

svshost.exe

windows7_x64

10

svshost.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    svshost.bin

  • Size

    4.0MB

  • Sample

    220711-pndl7ahafj

  • MD5

    2df0daacf8be5126ddbaa7ba9a83be58

  • SHA1

    0889fcd78f5bf71ca04280fe97b7507b6b114ba3

  • SHA256

    0936e508e142466b6d83e49b27513be2207822f91ac2d038023a86d6ccd29b2a

  • SHA512

    0348f7511803198d5d81b10bac08b9e9e79bfd1d193c9a72b1bf3883bd49d18ec21a998e4a056206fac539c73843b31c10437838eb38746bd062e682f2df120e

Score
10/10
darkcometguest16persistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

gameservice.ddns.net:4320

Mutex

DC_MUTEX-WBUNVXD

Attributes
  • InstallPath

    AudioDriver\taskhost.exe

  • gencode

    EWSsWwgyJrUD

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    AudioDriver

Targets

    • Target

      svshost.bin

    • Size

      4.0MB

    • MD5

      2df0daacf8be5126ddbaa7ba9a83be58

    • SHA1

      0889fcd78f5bf71ca04280fe97b7507b6b114ba3

    • SHA256

      0936e508e142466b6d83e49b27513be2207822f91ac2d038023a86d6ccd29b2a

    • SHA512

      0348f7511803198d5d81b10bac08b9e9e79bfd1d193c9a72b1bf3883bd49d18ec21a998e4a056206fac539c73843b31c10437838eb38746bd062e682f2df120e

    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

    • 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