Overview

overview

10

Static

static

10

28467df61c...18.exe

windows7-x64

10

28467df61c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    28467df61c656d089b8d66b43075c9ec_JaffaCakes118

  • Size

    677KB

  • Sample

    240706-mxc1xawhjm

  • MD5

    28467df61c656d089b8d66b43075c9ec

  • SHA1

    dd451cd6fb69cfae3fb14b4a997540e16cd0fd7d

  • SHA256

    cdafff2c76fc2daadf92d9e3aa2f982afeb4b99c899e89b915be50155ed2491a

  • SHA512

    1695518745a1fca9ccf7ca48575c138d3303b0e814486142782af90f33cbd7666a49f40392ad464a9638bd0ace73660e4374ebc539977ff3d1bc4fdcf5ae27f3

  • SSDEEP

    12288:G00FofkD6gg4P8AyE/Sa7/U4sXjtfVzK42YyYDcB85RJQHJ4/l4n:L0FpeiP89E17/UDXjtNh2YNcB4JQcI

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

firestormm100.no-ip.biz:1604

Mutex

DC_MUTEX-GX8PGCE

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    8cJiS7yg01cM

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      28467df61c656d089b8d66b43075c9ec_JaffaCakes118

    • Size

      677KB

    • MD5

      28467df61c656d089b8d66b43075c9ec

    • SHA1

      dd451cd6fb69cfae3fb14b4a997540e16cd0fd7d

    • SHA256

      cdafff2c76fc2daadf92d9e3aa2f982afeb4b99c899e89b915be50155ed2491a

    • SHA512

      1695518745a1fca9ccf7ca48575c138d3303b0e814486142782af90f33cbd7666a49f40392ad464a9638bd0ace73660e4374ebc539977ff3d1bc4fdcf5ae27f3

    • SSDEEP

      12288:G00FofkD6gg4P8AyE/Sa7/U4sXjtfVzK42YyYDcB85RJQHJ4/l4n:L0FpeiP89E17/UDXjtNh2YNcB4JQcI

    Score
    10/10
    darkcometguest16evasionpersistencerattrojan

    • 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

    • 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

    • 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

6
T1112

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks