Overview

overview

10

Static

static

10

JaffaCakes...23.exe

windows7-x64

10

JaffaCakes...23.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_b6ab3d7bdb56f0c8c26d91eae185b923

  • Size

    647KB

  • Sample

    250207-nx3f8s1jdl

  • MD5

    b6ab3d7bdb56f0c8c26d91eae185b923

  • SHA1

    b74edc4ade72b208ee0272d29e36c6cffd296e2f

  • SHA256

    53acd5f520a5a12605e262e8ac057dc58652bb31adabe17e319e4638e73a51d2

  • SHA512

    cff68090a3277290b3f7666ce3114a2eece09fb1ae8555b08375c7bc38afc8b3f831974d4411c1b0150f2407d19cd4e908433ef080fa39ad4c9ee87a9a228564

  • SSDEEP

    12288:A8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixR:5UKoN0bUxgGa/pfBHDb+y1HgZj

Score
10/10
darkcometguest2defense_evasiondiscoverypersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest2

C2

127.0.0.1:1604

Mutex

DC_MUTEX-6EMK09R

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    ff=YeNz#=NJr

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

rc4.plain

Targets

    • Target

      JaffaCakes118_b6ab3d7bdb56f0c8c26d91eae185b923

    • Size

      647KB

    • MD5

      b6ab3d7bdb56f0c8c26d91eae185b923

    • SHA1

      b74edc4ade72b208ee0272d29e36c6cffd296e2f

    • SHA256

      53acd5f520a5a12605e262e8ac057dc58652bb31adabe17e319e4638e73a51d2

    • SHA512

      cff68090a3277290b3f7666ce3114a2eece09fb1ae8555b08375c7bc38afc8b3f831974d4411c1b0150f2407d19cd4e908433ef080fa39ad4c9ee87a9a228564

    • SSDEEP

      12288:A8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixR:5UKoN0bUxgGa/pfBHDb+y1HgZj

    Score
    10/10
    darkcometguest2defense_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

    • Windows security bypass

      defense_evasiontrojan

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      defense_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

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

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

5
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