Overview

overview

10

Static

static

10

820ec01001...b7.exe

windows7-x64

10

820ec01001...b7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    820ec01001e41115ae20b367113decd3aa549652d6f0eb677ecf44519f0d70b7

  • Size

    690KB

  • Sample

    221126-1qn2gsbe7v

  • MD5

    3de246eb9d010063ce300153818e5be1

  • SHA1

    0917adce4af364967ce71d4c9d3c206273045e83

  • SHA256

    820ec01001e41115ae20b367113decd3aa549652d6f0eb677ecf44519f0d70b7

  • SHA512

    f2bf5669287b2c4baad50ace30f971317dc254b713a2d516cf2049444590469c30c919bab8caf8043cf0a84d6f233cfd00ee71c14b1ba798b04a5c089ffef130

  • SSDEEP

    12288:l9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hBB:vZ1xuVVjfFoynPaVBUR8f+kN10EBV

Score
10/10
darkcomethackerevasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Hacker

C2

docteurkkk.sytes.net:80

docteurkkk.sytes.net:81

jpasta.servemp3.com:81

jpasta.servemp3.com:80
Mutex

DC_MUTEX-E0APM9B

Attributes
  • InstallPath

    MSDCSC\msdsc.exe

  • gencode

    uREkEp3UCJUZ

  • install

    true

  • offline_keylogger

    true

  • password

    sqd654

  • persistence

    true

  • reg_key

    rundll32

Targets

    • Target

      820ec01001e41115ae20b367113decd3aa549652d6f0eb677ecf44519f0d70b7

    • Size

      690KB

    • MD5

      3de246eb9d010063ce300153818e5be1

    • SHA1

      0917adce4af364967ce71d4c9d3c206273045e83

    • SHA256

      820ec01001e41115ae20b367113decd3aa549652d6f0eb677ecf44519f0d70b7

    • SHA512

      f2bf5669287b2c4baad50ace30f971317dc254b713a2d516cf2049444590469c30c919bab8caf8043cf0a84d6f233cfd00ee71c14b1ba798b04a5c089ffef130

    • SSDEEP

      12288:l9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hBB:vZ1xuVVjfFoynPaVBUR8f+kN10EBV

    Score
    10/10
    darkcomethackerevasionpersistencerattrojan

    • Darkcomet

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

      trojanratdarkcomet

    • Modifies WinLogon for persistence

      persistence

    • Modifies firewall policy service

      evasion

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks