Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample260703-lgl37sew2v
  • SHA256 16aad73921d9611b558460ee3c2fd3c25b02d71a8704f384f5adbbd3eda02699
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasarfun88mb5.comdiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • fun88mb5.com

C2

  • fun88mb5.com:80

  • fun88mb5.com:443

  • fun88mb5.com:1111

  • fun88mb5.com:8080

  • fun88mb5.com:8443

  • c2.fun88mb5.com:8443

  • control.fun88mb5.com:443

  • fun88mb5.com:7777

  • fun88mb5.com:4567

  • fun88mb5.com:5555

Mutex

  • 3d13c59a-10e0-41fb-99ae-d1187d301db9

Attributes
  • encryption_key

    1F31CD0582BA6FBDA903BF4F947CCB13B60528E3

  • install_name

    fun88mb5.com.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    fun88mb5.com Client Startup

  • subdirectory

    fun88mb5.com

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 16aad73921d9611b558460ee3c2fd3c25b02d71a8704f384f5adbbd3eda02699
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    fun88mb5.comdiscoveryexecutionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks