Overview

overview

10

Static

static

10

2243df2e91...f5.exe

windows7-x64

10

2243df2e91...f5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2243df2e91e114754b72250f4bb753edfc6d6dc6518656cad0890f743dca22f5

  • Size

    756KB

  • Sample

    221128-qw1mcsfh82

  • MD5

    2fa4b346f9d431e8bbfa63e6f1dcf6a1

  • SHA1

    e8601bf601a9a2d0b1871fa49a05aab1cefec1b9

  • SHA256

    2243df2e91e114754b72250f4bb753edfc6d6dc6518656cad0890f743dca22f5

  • SHA512

    64cb8d487c9dd36204bcb0fba11b2c7ec384049221bf35ce2076242b63559f26010dbaca9bf962df9faf818d1549bec7153b41cccec8b188f2b116cda48138b4

  • SSDEEP

    12288:n9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hVsvv/:BZ1xuVVjfFoynPaVBUR8f+kN10EBsvv/

Score
10/10
darkcometr1evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

R1

C2

csgohackzz.ddns.net:1096

Mutex

DC_MUTEX-46JEUN6

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    X6gK8NP6mhLx

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      2243df2e91e114754b72250f4bb753edfc6d6dc6518656cad0890f743dca22f5

    • Size

      756KB

    • MD5

      2fa4b346f9d431e8bbfa63e6f1dcf6a1

    • SHA1

      e8601bf601a9a2d0b1871fa49a05aab1cefec1b9

    • SHA256

      2243df2e91e114754b72250f4bb753edfc6d6dc6518656cad0890f743dca22f5

    • SHA512

      64cb8d487c9dd36204bcb0fba11b2c7ec384049221bf35ce2076242b63559f26010dbaca9bf962df9faf818d1549bec7153b41cccec8b188f2b116cda48138b4

    • SSDEEP

      12288:n9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hVsvv/:BZ1xuVVjfFoynPaVBUR8f+kN10EBsvv/

    Score
    10/10
    darkcometr1evasionpersistencerattrojan

    • 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

    • Disables Task Manager via registry modification

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

2
T1089

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks