Overview

overview

10

Static

static

3

JaffaCakes...34.exe

windows7-x64

10

JaffaCakes...34.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_42d10d52100b5cf6b769b998de9aca34

  • Size

    1016KB

  • Sample

    250302-1nep2awvhw

  • MD5

    42d10d52100b5cf6b769b998de9aca34

  • SHA1

    253c9b1910b0a033de2530c45bb5bce41697d052

  • SHA256

    e2236606539122ba5145f8ae6e199aabfdd9db7105f911bb6a06b82d87c3167f

  • SHA512

    50f417efdd72584f4295ef639934bb042bc76038dbf168ca3b0b3c0678e6ec866ec0d0bf38ad1835b347d81b58b4710a2e2763a7863738b6f62405744f2d2f7e

  • SSDEEP

    12288:jbFpfgjxFRpQqrfd0MzmUOLhnK2higmjQlQHeQ1ag4fobTJm6LbagtbEL+sT:FyjtxqLhnphigwQljAbR

Score
10/10
darkcomethfdefense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

127.0.0.1:83

Mutex

DC_MUTEX-CNAFSEW

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    hfG43Pabbqku

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_42d10d52100b5cf6b769b998de9aca34

    • Size

      1016KB

    • MD5

      42d10d52100b5cf6b769b998de9aca34

    • SHA1

      253c9b1910b0a033de2530c45bb5bce41697d052

    • SHA256

      e2236606539122ba5145f8ae6e199aabfdd9db7105f911bb6a06b82d87c3167f

    • SHA512

      50f417efdd72584f4295ef639934bb042bc76038dbf168ca3b0b3c0678e6ec866ec0d0bf38ad1835b347d81b58b4710a2e2763a7863738b6f62405744f2d2f7e

    • SSDEEP

      12288:jbFpfgjxFRpQqrfd0MzmUOLhnK2higmjQlQHeQ1ag4fobTJm6LbagtbEL+sT:FyjtxqLhnphigwQljAbR

    Score
    10/10
    darkcomethfdefense_evasiondiscoverypersistencerattrojan

    • 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

      defense_evasion

    • Disables RegEdit via registry modification

      defense_evasion

    • Disables Task Manager via registry modification

      defense_evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

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

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks