Overview

overview

10

Static

static

10

330ccba4a7...18.exe

windows7-x64

10

330ccba4a7...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    330ccba4a7ebf89c3f94b8c5ca9aa60f_JaffaCakes118

  • Size

    252KB

  • Sample

    240511-gk5mhabf26

  • MD5

    330ccba4a7ebf89c3f94b8c5ca9aa60f

  • SHA1

    00997a2cd5afcfad10383d64de7b080537cfc463

  • SHA256

    831e0c164298c0335e968e6aa43f0f6d2f145d54ff0ece88a5c8ff697b9ba082

  • SHA512

    a47dad8c0433aa631238b8c9eaa5e2eef5442cb377fc08333a3b66443d2163d13ee9a40f45b2ecc47be33b681578aa93d96d220a6b21263aec3ab64b14a07357

  • SSDEEP

    6144:PcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQEJdb:PcWkbgTYWnYnt/IDYhPRd

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:8888

Mutex

DC_MUTEX-3X4JR93

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    oFinH4tKuPGN

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      330ccba4a7ebf89c3f94b8c5ca9aa60f_JaffaCakes118

    • Size

      252KB

    • MD5

      330ccba4a7ebf89c3f94b8c5ca9aa60f

    • SHA1

      00997a2cd5afcfad10383d64de7b080537cfc463

    • SHA256

      831e0c164298c0335e968e6aa43f0f6d2f145d54ff0ece88a5c8ff697b9ba082

    • SHA512

      a47dad8c0433aa631238b8c9eaa5e2eef5442cb377fc08333a3b66443d2163d13ee9a40f45b2ecc47be33b681578aa93d96d220a6b21263aec3ab64b14a07357

    • SSDEEP

      6144:PcNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PHQEJdb:PcWkbgTYWnYnt/IDYhPRd

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Defense Evasion

Modify Registry

3
T1112

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks