Overview

overview

10

Static

static

3

1bb0e36a48...18.exe

windows7-x64

10

1bb0e36a48...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1bb0e36a487c3ae5f9507ea0285d6416_JaffaCakes118

  • Size

    2.0MB

  • Sample

    240701-r2z4fsxara

  • MD5

    1bb0e36a487c3ae5f9507ea0285d6416

  • SHA1

    0255931a7006c73090d98d7e1ed0e296a55454d1

  • SHA256

    e41162a023fe7e4e3a764c2e8595f9b3c1a019a87e84410b6104b9971d45c565

  • SHA512

    c433389874b17002fd60f03da0b9f91d3ca421f091f8139d045bc04c01e46be387542798bdb79045b762f87d252c82333d0c5b739c98898d39d7f7b32997c07b

  • SSDEEP

    24576:fv5rzBjpZ9STx44vIXnd7s6WSu0H8O57HJ:ZQIXnx/cO

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      1bb0e36a487c3ae5f9507ea0285d6416_JaffaCakes118

    • Size

      2.0MB

    • MD5

      1bb0e36a487c3ae5f9507ea0285d6416

    • SHA1

      0255931a7006c73090d98d7e1ed0e296a55454d1

    • SHA256

      e41162a023fe7e4e3a764c2e8595f9b3c1a019a87e84410b6104b9971d45c565

    • SHA512

      c433389874b17002fd60f03da0b9f91d3ca421f091f8139d045bc04c01e46be387542798bdb79045b762f87d252c82333d0c5b739c98898d39d7f7b32997c07b

    • SSDEEP

      24576:fv5rzBjpZ9STx44vIXnd7s6WSu0H8O57HJ:ZQIXnx/cO

    Score
    10/10
    darkcometpersistencerattrojanevasion

    • 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

    • 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

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

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

Modify Registry

7
T1112

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks