Overview

overview

10

Static

static

10

JaffaCakes...f0.exe

windows7-x64

10

JaffaCakes...f0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_76ca3ef2913b847bf23beb42c22ed6f0

  • Size

    690KB

  • Sample

    250104-brqt2atlgz

  • MD5

    76ca3ef2913b847bf23beb42c22ed6f0

  • SHA1

    36ff484675f3cbd186bcc2f9175af73902daba5d

  • SHA256

    49c8f9abd3387aa12e086db48e28ddab4d0d8df662a1eb37a9a8fde18be19b5c

  • SHA512

    7cd42e8b8be5c0fcba16cb8035e9e3cadc849a78d055f9f8155e526cca7d13d990e965d15789f1d0605a6559d6ad84690f9a9d099ea54a6343af41e0e6abecf8

  • SSDEEP

    12288:V9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ht:fZ1xuVVjfFoynPaVBUR8f+kN10EBH

Score
10/10
darkcometawdiscoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

aw

C2

943145189.no-ip.org:1604

Mutex

DC_MUTEX-UA6WTFG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Bq5RFJruGj2l

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_76ca3ef2913b847bf23beb42c22ed6f0

    • Size

      690KB

    • MD5

      76ca3ef2913b847bf23beb42c22ed6f0

    • SHA1

      36ff484675f3cbd186bcc2f9175af73902daba5d

    • SHA256

      49c8f9abd3387aa12e086db48e28ddab4d0d8df662a1eb37a9a8fde18be19b5c

    • SHA512

      7cd42e8b8be5c0fcba16cb8035e9e3cadc849a78d055f9f8155e526cca7d13d990e965d15789f1d0605a6559d6ad84690f9a9d099ea54a6343af41e0e6abecf8

    • SSDEEP

      12288:V9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ht:fZ1xuVVjfFoynPaVBUR8f+kN10EBH

    Score
    10/10
    darkcometawdiscoveryevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Darkcomet family

      darkcomet

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

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