Overview

overview

10

Static

static

10

ba7474af91...18.exe

windows7-x64

10

ba7474af91...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ba7474af91b9cc7b055229f97778d984_JaffaCakes118

  • Size

    659KB

  • Sample

    240618-jbjd1sxcjn

  • MD5

    ba7474af91b9cc7b055229f97778d984

  • SHA1

    c4b2340ddbf4cf2d32591adddb80dc7e83548718

  • SHA256

    2f98b1649046ca9d58304091d8712e7e7168617f20dad6c409a80e1b5956f0ec

  • SHA512

    8fdeb2a0bbc23ed04c8a5f2b9996c982a9d0af1e177dac8b86ed0f0d1fc96f9d063d02c5c5876cea1ed1ce89c2ffa2346d0015b122f0758a7a148687c16c8eb2

  • SSDEEP

    12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ha:KZ1xuVVjfFoynPaVBUR8f+kN10EBY

Score
10/10
darkcometguest16evasionpersistencerattrojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1605

127.0.0.1:200

178.217.152.189:200

178.217.152.189:1604

178.217.152.189:1605

192.168.1.1.:1605

192.168.1.1:1605

192.168.1.1:1604

192.168.0.1:1604

192.168.0.1:1605

25.74.173.137:1605

25.74.173.137:1604

127.0.0.1:1604

46.216.153.16:1604

46.216.153.16:1605

46.216.153.16:200

46.216.153.16:54057

46.216.153.16:63690

25.28.124.217:63690

25.28.124.217:1604
Mutex

DC_MUTEX-A9AZSKX

Attributes
  • InstallPath

    MICROSOFT/Internet.exe

  • gencode

    e9bBZzLdabre

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Targets

    • Target

      ba7474af91b9cc7b055229f97778d984_JaffaCakes118

    • Size

      659KB

    • MD5

      ba7474af91b9cc7b055229f97778d984

    • SHA1

      c4b2340ddbf4cf2d32591adddb80dc7e83548718

    • SHA256

      2f98b1649046ca9d58304091d8712e7e7168617f20dad6c409a80e1b5956f0ec

    • SHA512

      8fdeb2a0bbc23ed04c8a5f2b9996c982a9d0af1e177dac8b86ed0f0d1fc96f9d063d02c5c5876cea1ed1ce89c2ffa2346d0015b122f0758a7a148687c16c8eb2

    • SSDEEP

      12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/ha:KZ1xuVVjfFoynPaVBUR8f+kN10EBY

    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

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    • 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

2
T1562

Disable or Modify Tools

2
T1562.001

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks