General

  • Target

    e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603

  • Size

    349KB

  • Sample

    241208-exmakssmbs

  • MD5

    1b6cc280bdeeffba345f6cf8b11c2ee8

  • SHA1

    f76fd450a43cf4ac5a86c8172f5edb89538bd489

  • SHA256

    e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603

  • SHA512

    58768ae5f0f559c08f4247f97e934b1aa252e1d913845b10fcee35e9ee807fb03ba6f81a74a821b4dead719a6195f49a3201daf55f471f5ad2aeea662366f88c

  • SSDEEP

    6144:uKMJx4pweP7kJS3i+fcwiGSUPhKA6DPusEbjL1+vcZlWE/tgE9h:uKoSUGVPF6DPus05ZlWECE9h

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

192.168.255.139:4782

Mutex

QSR_MUTEX_ZZPYrLvQ79yjfe7PwK

Attributes
  • encryption_key

    lrTFvNaa5qg78NZPgIUJ

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603

    • Size

      349KB

    • MD5

      1b6cc280bdeeffba345f6cf8b11c2ee8

    • SHA1

      f76fd450a43cf4ac5a86c8172f5edb89538bd489

    • SHA256

      e89bf9f9f461c14c2358cd5de1c1f1fcf6ecb18c0a978330e64263a863b19603

    • SHA512

      58768ae5f0f559c08f4247f97e934b1aa252e1d913845b10fcee35e9ee807fb03ba6f81a74a821b4dead719a6195f49a3201daf55f471f5ad2aeea662366f88c

    • SSDEEP

      6144:uKMJx4pweP7kJS3i+fcwiGSUPhKA6DPusEbjL1+vcZlWE/tgE9h:uKoSUGVPF6DPus05ZlWECE9h

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v15

Tasks