Overview

overview

10

Static

static

a7a013d798...ec.exe

windows7-x64

10

a7a013d798...ec.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a7a013d7986acf7478ec6b7cd0050967b09508407e6c667ba6e3f08d3010acec

  • Size

    1.4MB

  • Sample

    221130-3sv9pafd86

  • MD5

    3bf540d8f1925cc8aa0b365a5b46d799

  • SHA1

    414c5386bd93098ea2e7d5be51c51e338e55a2f2

  • SHA256

    a7a013d7986acf7478ec6b7cd0050967b09508407e6c667ba6e3f08d3010acec

  • SHA512

    0b12e6d47d8b19bd2992be177ea4ce3ad8d8b156ebf17de0d8fc6dc9e84ceffb27bade2871f8fd16b7bb35cc08934fc4ee232b5879d61cf5f4bb264f0c8ea21c

  • SSDEEP

    24576:XbrzMQCsFN6kGl0Dzs34T62Y80ux3aDbpLEDqEE64C+23HLveIMyZ4TCpQ+PVVE:j7FccP9YmbmE0CFbe6qY

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      a7a013d7986acf7478ec6b7cd0050967b09508407e6c667ba6e3f08d3010acec

    • Size

      1.4MB

    • MD5

      3bf540d8f1925cc8aa0b365a5b46d799

    • SHA1

      414c5386bd93098ea2e7d5be51c51e338e55a2f2

    • SHA256

      a7a013d7986acf7478ec6b7cd0050967b09508407e6c667ba6e3f08d3010acec

    • SHA512

      0b12e6d47d8b19bd2992be177ea4ce3ad8d8b156ebf17de0d8fc6dc9e84ceffb27bade2871f8fd16b7bb35cc08934fc4ee232b5879d61cf5f4bb264f0c8ea21c

    • SSDEEP

      24576:XbrzMQCsFN6kGl0Dzs34T62Y80ux3aDbpLEDqEE64C+23HLveIMyZ4TCpQ+PVVE:j7FccP9YmbmE0CFbe6qY

    Score
    10/10
    darkcometevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies security service

      evasion

    • Checks BIOS information in registry

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

    • Uses the VBS compiler for execution

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Scripting

1
T1064

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks