Overview

overview

10

Static

static

067da2f3df...61.exe

windows7-x64

10

067da2f3df...61.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    067da2f3df03a2df83b8420c44bcef19995a483179ec0f572777df86622ba461

  • Size

    856KB

  • Sample

    221124-ezjmgaca9x

  • MD5

    0c6b3509bb5a0e67d037afa5eb523076

  • SHA1

    3f8c601b9e3cf8af1b7a7f8e8b99f337caa97d9d

  • SHA256

    067da2f3df03a2df83b8420c44bcef19995a483179ec0f572777df86622ba461

  • SHA512

    b50df71b7ce1f4f5f67e235e137371d3ec6bc468428c6b2055451e19f468552d82161f20742fc874f44cf3130818b65d022c320788bf176da85d4d69a30b970d

  • SSDEEP

    24576:HOGEY2LlIP8pKAWy8y60UOauWAFrYDz0M:JEYeIPH7OxVx5

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

lundinzzz.no-ip.biz:1604

lundinzzz.no-ip.biz:82
Mutex

DC_MUTEX-XK6B8QX

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    H8YYXHd9Vk1a

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      067da2f3df03a2df83b8420c44bcef19995a483179ec0f572777df86622ba461

    • Size

      856KB

    • MD5

      0c6b3509bb5a0e67d037afa5eb523076

    • SHA1

      3f8c601b9e3cf8af1b7a7f8e8b99f337caa97d9d

    • SHA256

      067da2f3df03a2df83b8420c44bcef19995a483179ec0f572777df86622ba461

    • SHA512

      b50df71b7ce1f4f5f67e235e137371d3ec6bc468428c6b2055451e19f468552d82161f20742fc874f44cf3130818b65d022c320788bf176da85d4d69a30b970d

    • SSDEEP

      24576:HOGEY2LlIP8pKAWy8y60UOauWAFrYDz0M:JEYeIPH7OxVx5

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • 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