Overview

overview

10

Static

static

10

логин...ь.exe

windows7-x64

10

логин...ь.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    ddd87e93c9c96bc277543fc799ed1ae6_JaffaCakes118
  • Size 248KB
  • Sample240913-g4hbbaydpl
  • SHA256 6d387f757614021951e7765e02524844f75d31311435aa910d93f79de6916827
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
darkcometguest16discoveryevasionpersistencerattrojanupx

Malware Config

Extracted

Family

  • darkcomet

Botnet

  • Guest16

C2

  • kapyc4uno.ddns.net:1604

  • kapyc4uno.ddns.net:27015

Mutex

  • DC_MUTEX-NZSLX6Q

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    i5hgGvqw3YAN

  • install

    true

  • offline_keylogger

    false

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target
      логин и пароль.exe
    • Size 253KB
    • SHA256 e89267a54794e083fe2cc0e5fc74f97f8d2bfcce2adebdedd6a40b60bcfbfa57
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • 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.

    • UPX packed file

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

      upx

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

2
T1543

Windows Service

2
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

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks