Overview

overview

10

Static

static

10

ccb24cdcb2...bf.exe

windows7-x64

10

ccb24cdcb2...bf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ccb24cdcb25808cded90c899cd54fb82ba249424780bb0e96921cc9efd042abf

  • Size

    691KB

  • Sample

    221202-r3gcqsgb39

  • MD5

    e6b7474347695e45dbd9fd376522c216

  • SHA1

    7dd59e21a53eff959c2dab1e291eb59d81ce489f

  • SHA256

    ccb24cdcb25808cded90c899cd54fb82ba249424780bb0e96921cc9efd042abf

  • SHA512

    6d3a0cbe0c3fb2d96c172fdd67691aa65bd487baa91a6cc36a951349d0be5ba37c642a36754eca6f2a1221b705e8a599993371f517dac8de25dce5bbb484a711

  • SSDEEP

    12288:C9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKD:wAQ6Zx9cxTmOrucTIEFSpOG

Score
10/10
darkcometevasionpersistencerattrojan

Malware Config

Targets

    • Target

      ccb24cdcb25808cded90c899cd54fb82ba249424780bb0e96921cc9efd042abf

    • Size

      691KB

    • MD5

      e6b7474347695e45dbd9fd376522c216

    • SHA1

      7dd59e21a53eff959c2dab1e291eb59d81ce489f

    • SHA256

      ccb24cdcb25808cded90c899cd54fb82ba249424780bb0e96921cc9efd042abf

    • SHA512

      6d3a0cbe0c3fb2d96c172fdd67691aa65bd487baa91a6cc36a951349d0be5ba37c642a36754eca6f2a1221b705e8a599993371f517dac8de25dce5bbb484a711

    • SSDEEP

      12288:C9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnKD:wAQ6Zx9cxTmOrucTIEFSpOG

    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

    • Windows security bypass

      evasiontrojan

    • Checks BIOS information in registry

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

    • Deletes itself

    • 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

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Disabling Security Tools

1
T1089

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks