Overview

overview

10

Static

static

10

JaffaCakes...e0.exe

windows7-x64

10

JaffaCakes...e0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_7ad1196c9f3cf56ec661ff6d6d69c5e0

  • Size

    659KB

  • Sample

    250104-vma3kaylet

  • MD5

    7ad1196c9f3cf56ec661ff6d6d69c5e0

  • SHA1

    05684ab4d6b463f04be533f2406ca0f809db9d0f

  • SHA256

    04f04a07d900cda96cdebd631a95f177bb0f51caa5d780e931390a3dfdade68c

  • SHA512

    e56c09cec9fd6bec546edc3005e2e0a464cda0acea07408aa3142d1a9badbce9703bb91540bad23ea81b8b0ee9bf339528bcdec27585c3d7ad9453e4ed7cc747

  • SSDEEP

    12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/he:aZ1xuVVjfFoynPaVBUR8f+kN10EBU

Score
10/10
darkcometguest16discoveryevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

46.105.250.97:1604

Mutex

DC_MUTEX-3TMAVLG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    l152Z1g7L1AT

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      JaffaCakes118_7ad1196c9f3cf56ec661ff6d6d69c5e0

    • Size

      659KB

    • MD5

      7ad1196c9f3cf56ec661ff6d6d69c5e0

    • SHA1

      05684ab4d6b463f04be533f2406ca0f809db9d0f

    • SHA256

      04f04a07d900cda96cdebd631a95f177bb0f51caa5d780e931390a3dfdade68c

    • SHA512

      e56c09cec9fd6bec546edc3005e2e0a464cda0acea07408aa3142d1a9badbce9703bb91540bad23ea81b8b0ee9bf339528bcdec27585c3d7ad9453e4ed7cc747

    • SSDEEP

      12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/he:aZ1xuVVjfFoynPaVBUR8f+kN10EBU

    Score
    10/10
    darkcometguest16discoveryevasionpersistencerattrojan

    • 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

    • 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.

    • Deletes itself

    • 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

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