Overview

overview

10

Static

static

3

d835c39082...18.exe

windows7-x64

10

d835c39082...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118

  • Size

    541KB

  • Sample

    241208-v4cmqazqcv

  • MD5

    d835c39082e0e5de09ff092a3d5a1e0a

  • SHA1

    9f515a5293a37e5b90342ef7b660fa5dee2d9518

  • SHA256

    0a43127615cb75db69dfbf202e22d33e7aced03c236a9dcc948ae3dd18fa8626

  • SHA512

    a5d17a922013c2df001dbdaccba49fb1a70aa2d711d2f695dabd6d31759eee35b579b02e4930367c6216d2da94c2cea75d0c63e3a6f2eaddf2823f2f5ec482f6

  • SSDEEP

    12288:YaNqMd0QZh9uEK/5P/EiKrbVVE2VihK/BBHY9sbzHLK:YED0QZh9ur4fc2Vik/Bl5zrK

Score
10/10
darkcometdiscoveryevasionpersistencerattrojan

Malware Config

Targets

    • Target

      d835c39082e0e5de09ff092a3d5a1e0a_JaffaCakes118

    • Size

      541KB

    • MD5

      d835c39082e0e5de09ff092a3d5a1e0a

    • SHA1

      9f515a5293a37e5b90342ef7b660fa5dee2d9518

    • SHA256

      0a43127615cb75db69dfbf202e22d33e7aced03c236a9dcc948ae3dd18fa8626

    • SHA512

      a5d17a922013c2df001dbdaccba49fb1a70aa2d711d2f695dabd6d31759eee35b579b02e4930367c6216d2da94c2cea75d0c63e3a6f2eaddf2823f2f5ec482f6

    • SSDEEP

      12288:YaNqMd0QZh9uEK/5P/EiKrbVVE2VihK/BBHY9sbzHLK:YED0QZh9ur4fc2Vik/Bl5zrK

    Score
    10/10
    darkcometdiscoveryevasionpersistencerattrojan

    • 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

    • 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

    • Suspicious use of SetThreadContext

    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

Impair Defenses

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

6
T1112

Credential Access

Discovery

Query Registry

1
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks