Overview

overview

10

Static

static

10

6bd693b7e2...18.exe

windows7-x64

10

6bd693b7e2...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6bd693b7e2ebdcd9fc02bbea0b3964a8_JaffaCakes118

  • Size

    658KB

  • Sample

    240523-wxghrsbe88

  • MD5

    6bd693b7e2ebdcd9fc02bbea0b3964a8

  • SHA1

    5401b9312425e9446526078f504b26488774787b

  • SHA256

    f285cca737b7079cfc85be4062ed969c7a12e9989a7bec23226ce950083f9eca

  • SHA512

    c7ab7506d26cacb93a082461b872f585e172b6263f177b261861d77d9818e8fabd502de841e28971485289b55e0bf13fc9612f5315d724453e2e1938994c9bbe

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ha:KZ1xuVVjfFoynPaVBUR8f+kN10EBg

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

dark.fuccim.ru:25566

95.190.85.187:25566

95.190.85.187:8000
Mutex

DC_MUTEX-U13J1HQ

Attributes
  • InstallPath

    CookieInstall\installjuice.exe

  • gencode

    gTR9iE2B8Av1

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      6bd693b7e2ebdcd9fc02bbea0b3964a8_JaffaCakes118

    • Size

      658KB

    • MD5

      6bd693b7e2ebdcd9fc02bbea0b3964a8

    • SHA1

      5401b9312425e9446526078f504b26488774787b

    • SHA256

      f285cca737b7079cfc85be4062ed969c7a12e9989a7bec23226ce950083f9eca

    • SHA512

      c7ab7506d26cacb93a082461b872f585e172b6263f177b261861d77d9818e8fabd502de841e28971485289b55e0bf13fc9612f5315d724453e2e1938994c9bbe

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ha:KZ1xuVVjfFoynPaVBUR8f+kN10EBg

    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

    • 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.

    • Deletes itself

    • 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