Overview

overview

10

Static

static

3

07cc837818...f0.exe

windows7-x64

10

07cc837818...f0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    07cc837818418c77df495ccb7b446cf0

  • Size

    754KB

  • Sample

    231229-31x39afaf7

  • MD5

    07cc837818418c77df495ccb7b446cf0

  • SHA1

    bad12f59017d041fd92cc2c07abf0f1f0de60652

  • SHA256

    5c0789467d430f720b12089c27492271faae3d20b7a4595bba2a119e7d6a2d39

  • SHA512

    057e3359eb0af5693463ae2b1b8b547c8b4719789f6de362029cc01775cf9413785395dca607a6278557c50b6b2ba334a6ff04803c1cb01b669ae2ebac14758d

  • SSDEEP

    12288:WPSQoM7Pk7H2ZP6Zd4Z355gcclvYZuHVGkmBbsZpbKp9VQ/:U97Pk7WZP6Za3XAGuHIkmBbsZpia/

Score
10/10
darkcometguest16_minpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

24.146.156.183:1604

Mutex

DCMIN_MUTEX-K2C0MY4

Attributes
  • InstallPath

    DCSCMIN\rundll32.exe

  • gencode

    3Aly74HalCZE

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      07cc837818418c77df495ccb7b446cf0

    • Size

      754KB

    • MD5

      07cc837818418c77df495ccb7b446cf0

    • SHA1

      bad12f59017d041fd92cc2c07abf0f1f0de60652

    • SHA256

      5c0789467d430f720b12089c27492271faae3d20b7a4595bba2a119e7d6a2d39

    • SHA512

      057e3359eb0af5693463ae2b1b8b547c8b4719789f6de362029cc01775cf9413785395dca607a6278557c50b6b2ba334a6ff04803c1cb01b669ae2ebac14758d

    • SSDEEP

      12288:WPSQoM7Pk7H2ZP6Zd4Z355gcclvYZuHVGkmBbsZpbKp9VQ/:U97Pk7WZP6Za3XAGuHIkmBbsZpia/

    Score
    10/10
    darkcometguest16_minpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks