Overview

overview

10

Static

static

10

899837875a...JC.exe

windows7-x64

10

899837875a...JC.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    899837875a8518ca77e909aea58a5670exe_JC.exe

  • Size

    283KB

  • Sample

    230916-v1emxacb4z

  • MD5

    899837875a8518ca77e909aea58a5670

  • SHA1

    3f756582937017f84691bc0c76895a2e51052c12

  • SHA256

    560d6bb6ba9ae2cb68d4126425e062d9dfbcb015b584b249e068a8be2e90e55c

  • SHA512

    4be644fcbb9e1fe3eea7b63d1d1b5d8450a44fcdf996dfc5f69e7c921ba48fbc33d015bfa8c3cc7db8145bbaa9ec7d501ea65b255ae21c78dcbc4938cbeccdaa

  • SSDEEP

    6144:scNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PIhp8T:scWkbgTYWnYnt/IDYhPMp8T

Score
10/10
darkcometguest16evasionpersistencerattrojanupx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

193.107.72.82:1604

cs-gocheats.ddns.net:1604

cs-gocheats.ddns.net:81

192.168.88.200:81

192.168.88.200:1604
Mutex

DC_MUTEX-J4EMRRZ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    SeZXiGzTJYBx

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      899837875a8518ca77e909aea58a5670exe_JC.exe

    • Size

      283KB

    • MD5

      899837875a8518ca77e909aea58a5670

    • SHA1

      3f756582937017f84691bc0c76895a2e51052c12

    • SHA256

      560d6bb6ba9ae2cb68d4126425e062d9dfbcb015b584b249e068a8be2e90e55c

    • SHA512

      4be644fcbb9e1fe3eea7b63d1d1b5d8450a44fcdf996dfc5f69e7c921ba48fbc33d015bfa8c3cc7db8145bbaa9ec7d501ea65b255ae21c78dcbc4938cbeccdaa

    • SSDEEP

      6144:scNYk1yuwEDBum3qYWnl0pd0EX3Zq2b6wfIDYm0PIhp8T:scWkbgTYWnYnt/IDYhPMp8T

    Score
    10/10
    darkcometguest16evasionpersistencerattrojanupx

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Modifies security service

      evasion

    • Windows security bypass

      evasiontrojan

    • Disables RegEdit via registry modification

      evasion

    • 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.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Windows security modification

      evasiontrojan

    • 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

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Modify Registry

7
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks