Overview

overview

10

Static

static

3

181283c3e1...18.exe

windows7-x64

10

181283c3e1...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    181283c3e130b102c86e6ef049d0071a_JaffaCakes118

  • Size

    713KB

  • Sample

    240628-ag4sgasfrn

  • MD5

    181283c3e130b102c86e6ef049d0071a

  • SHA1

    e58e8eac541416c306f8edb0b8d9821cc0690bf7

  • SHA256

    93a3d616794bbc999144bf30e2189c84b8a2b89c3c27cc08151103062a37d259

  • SHA512

    ebbbf9bed204ca27379a1cac0d1bb8aaaa701bdf0e11b2d0b7d70200aa88173ee113d17fdc6962425b8ac0ea68d684ee534c42956947f9b7c8f42d78c12f6e61

  • SSDEEP

    12288:+kfeLRmTb7mevlEure1m1+gPhQSVCSLzlwqzmHtc9UTD+eEsjfCh:ucj1vyure1m1+gJQSV1XlJCHtcaumr

Score
10/10
darkcometpersistencerattrojan

Malware Config

Targets

    • Target

      181283c3e130b102c86e6ef049d0071a_JaffaCakes118

    • Size

      713KB

    • MD5

      181283c3e130b102c86e6ef049d0071a

    • SHA1

      e58e8eac541416c306f8edb0b8d9821cc0690bf7

    • SHA256

      93a3d616794bbc999144bf30e2189c84b8a2b89c3c27cc08151103062a37d259

    • SHA512

      ebbbf9bed204ca27379a1cac0d1bb8aaaa701bdf0e11b2d0b7d70200aa88173ee113d17fdc6962425b8ac0ea68d684ee534c42956947f9b7c8f42d78c12f6e61

    • SSDEEP

      12288:+kfeLRmTb7mevlEure1m1+gPhQSVCSLzlwqzmHtc9UTD+eEsjfCh:ucj1vyure1m1+gJQSV1XlJCHtcaumr

    Score
    10/10
    darkcometpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • 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

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks