Overview

overview

10

Static

static

3

c0e0ef92f6...94.exe

windows7-x64

10

c0e0ef92f6...94.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    c0e0ef92f69f8a30ca35b125b74b8294

  • Size

    484KB

  • Sample

    240311-sb7w2shg37

  • MD5

    c0e0ef92f69f8a30ca35b125b74b8294

  • SHA1

    2ca329e5230bdb1e2f1e4ab5db928a3ccfce86ce

  • SHA256

    14d82a8323d815e4a8d888a6b95d04b2279b2d618c3cc1487643f7b477041232

  • SHA512

    414f5e430bdfced787703692879a89888fc2c42ab6d1741c3acbcd79f73ff941caae4eea151f5d3137d79d3c24ba92faf45b6f3572782391a0ec0c4630ee3831

  • SSDEEP

    6144:3snxekcgA04STi+/ZxkSs9O2vFBc93d1ZBjpfVRV1Qyt56d+strP8MJaLdcp6Nk4:cxekhA04LBJNKJpfLTDcPHaBcw3

Score
10/10
darkcometguest16persistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

alpachino.zapto.org:1606

127.0.0.1:1606
Mutex

DC_MUTEX-Z42UGJP

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    jXzF8jNN2epT

  • install

    true

  • offline_keylogger

    true

  • password

    k1c2d3i4

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      c0e0ef92f69f8a30ca35b125b74b8294

    • Size

      484KB

    • MD5

      c0e0ef92f69f8a30ca35b125b74b8294

    • SHA1

      2ca329e5230bdb1e2f1e4ab5db928a3ccfce86ce

    • SHA256

      14d82a8323d815e4a8d888a6b95d04b2279b2d618c3cc1487643f7b477041232

    • SHA512

      414f5e430bdfced787703692879a89888fc2c42ab6d1741c3acbcd79f73ff941caae4eea151f5d3137d79d3c24ba92faf45b6f3572782391a0ec0c4630ee3831

    • SSDEEP

      6144:3snxekcgA04STi+/ZxkSs9O2vFBc93d1ZBjpfVRV1Qyt56d+strP8MJaLdcp6Nk4:cxekhA04LBJNKJpfLTDcPHaBcw3

    Score
    10/10
    darkcometguest16persistencerattrojan

    • 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

    • Drops file in System32 directory

    • 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