Overview

overview

10

Static

static

8cf942d0ff...94.exe

windows7-x64

10

8cf942d0ff...94.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8cf942d0ffc44688130c91a7fd76a72cfa5345f0a8aefd3adc7e68ed70340694

  • Size

    2.9MB

  • Sample

    221205-p546gafc7s

  • MD5

    df7bf31aea132aca10366ae20dd0c350

  • SHA1

    dba114d4074f3f338940bdb075bbda26172c53db

  • SHA256

    8cf942d0ffc44688130c91a7fd76a72cfa5345f0a8aefd3adc7e68ed70340694

  • SHA512

    e86224122b1faaba9ec590eae700b435ad7cd8881d141c8ba0d9ec07b179bd7fd1418d4024fc2b3c05ec08ed8463d84f132dc250be4d4a3c59301424af6c1cb3

  • SSDEEP

    49152:LMnXXFJkevVRBhRFGdPWgaqWMZYANAPc+N3MTrDOyD9Eh6kScQhACeHrIF:PSLTeZHrSgEh6krQKC08

Score
10/10
darkcometmainevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Main

C2

24.13.208.88:100

jaxxyisboss.zapto.org:100
Mutex

DC_MUTEX-C0UC4KU

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    w4i0rGCzp71f

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    Microsoft Defender

Targets

    • Target

      8cf942d0ffc44688130c91a7fd76a72cfa5345f0a8aefd3adc7e68ed70340694

    • Size

      2.9MB

    • MD5

      df7bf31aea132aca10366ae20dd0c350

    • SHA1

      dba114d4074f3f338940bdb075bbda26172c53db

    • SHA256

      8cf942d0ffc44688130c91a7fd76a72cfa5345f0a8aefd3adc7e68ed70340694

    • SHA512

      e86224122b1faaba9ec590eae700b435ad7cd8881d141c8ba0d9ec07b179bd7fd1418d4024fc2b3c05ec08ed8463d84f132dc250be4d4a3c59301424af6c1cb3

    • SSDEEP

      49152:LMnXXFJkevVRBhRFGdPWgaqWMZYANAPc+N3MTrDOyD9Eh6kScQhACeHrIF:PSLTeZHrSgEh6krQKC08

    Score
    10/10
    darkcometmainevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Executes dropped EXE

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks