Overview

overview

10

Static

static

10

27b96be403...09.exe

windows7-x64

10

27b96be403...09.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    27b96be403685a34c41056fdbb6c6e09

  • Size

    756KB

  • Sample

    231225-seg5ssdfhl

  • MD5

    27b96be403685a34c41056fdbb6c6e09

  • SHA1

    6466daed5e5c6818a96324fcfb03333dd53a340e

  • SHA256

    33b87e2b46562bfffedc7d6652f4c1574eb877ec8828900133856da2126817a6

  • SHA512

    a66f27519cea93e0497de6eecb6c7266cf3db15a8f73e438d86bee6814a9f9534e9d2969e0591130ad7e3598b47d99baf92f1764208b8050cd8bf60084b8c38a

  • SSDEEP

    12288:Y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hiW:MZ1xuVVjfFoynPaVBUR8f+kN10EB9

Score
10/10
darkcometslaveevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

C2

jakescomet.no-ip.biz:1604

Mutex

DC_MUTEX-36Z1G1Z

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    Ho1ZjXVvgkT0

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    MicroUpdate

Targets

    • Target

      27b96be403685a34c41056fdbb6c6e09

    • Size

      756KB

    • MD5

      27b96be403685a34c41056fdbb6c6e09

    • SHA1

      6466daed5e5c6818a96324fcfb03333dd53a340e

    • SHA256

      33b87e2b46562bfffedc7d6652f4c1574eb877ec8828900133856da2126817a6

    • SHA512

      a66f27519cea93e0497de6eecb6c7266cf3db15a8f73e438d86bee6814a9f9534e9d2969e0591130ad7e3598b47d99baf92f1764208b8050cd8bf60084b8c38a

    • SSDEEP

      12288:Y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hiW:MZ1xuVVjfFoynPaVBUR8f+kN10EB9

    Score
    10/10
    darkcometslaveevasionpersistencerattrojan

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence
    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

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks