Overview

overview

10

Static

static

7c79bb52c7...35.exe

windows7-x64

10

7c79bb52c7...35.exe

windows10-2004-x64

5

Sharing

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General

  • Target

    7c79bb52c7a2b943472eb32ce2d4ba36b5e5a2fb86c33280fdfe493f88cf8635

  • Size

    671KB

  • Sample

    221002-3dtgjsfbd2

  • MD5

    035f8edd14b80f47b33c1c62d57a8739

  • SHA1

    94410dd888341ca45a0ed5641346b8c076458a43

  • SHA256

    7c79bb52c7a2b943472eb32ce2d4ba36b5e5a2fb86c33280fdfe493f88cf8635

  • SHA512

    6171d54213eae358aafb77b1e1f5d0b80722ef29de7db5a9a0ec5f43009e725e279c85fa3667635be714b618f35d5bf57297327dec8f97c9b3d097c8c2bf5775

  • SSDEEP

    12288:zMEbRCkVsqZ+VsJijIYGr3rpBHmLuuhsrXp4jEUSHFma4nENeMS:PvsLsJirwzmqNr54jE3m2Ne1

Score
10/10
darkcomethfevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

HF

C2

99.230.144.192:1604

Mutex

DC_MUTEX-X2SBWUK

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    qyD402AeAjJP

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      7c79bb52c7a2b943472eb32ce2d4ba36b5e5a2fb86c33280fdfe493f88cf8635

    • Size

      671KB

    • MD5

      035f8edd14b80f47b33c1c62d57a8739

    • SHA1

      94410dd888341ca45a0ed5641346b8c076458a43

    • SHA256

      7c79bb52c7a2b943472eb32ce2d4ba36b5e5a2fb86c33280fdfe493f88cf8635

    • SHA512

      6171d54213eae358aafb77b1e1f5d0b80722ef29de7db5a9a0ec5f43009e725e279c85fa3667635be714b618f35d5bf57297327dec8f97c9b3d097c8c2bf5775

    • SSDEEP

      12288:zMEbRCkVsqZ+VsJijIYGr3rpBHmLuuhsrXp4jEUSHFma4nENeMS:PvsLsJirwzmqNr54jE3m2Ne1

    Score
    10/10
    darkcomethfevasionpersistencerattrojan

    • 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

    • 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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks