Overview

overview

10

Static

static

3

2026-10-11...ar.exe

windows10-2004-x64

10

2026-10-11...ar.exe

windows11-ltsc_2024-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    2026-10-11_e2b22174267d7f78d158309f94fcb8a5_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar
  • Size 1.6MB
  • Sample261012-d4rcfaz1fz
  • SHA256 68d11c4c630c285fe9f84ff4dd016115a8315bd4a02774e7c7faf3d5f6fe850e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 124.198.132.233:4782

Mutex

  • 5d060163-e43d-40f8-b69c-3c9bc81f7480

Attributes
  • encryption_key

    9DFA647FA9740B7579133A8401FB864EFF9CF080

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      2026-10-11_e2b22174267d7f78d158309f94fcb8a5_cobalt-strike_cryptbot_icedid_njrat_satacom_vidar
    • Size 1.6MB
    • SHA256 68d11c4c630c285fe9f84ff4dd016115a8315bd4a02774e7c7faf3d5f6fe850e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04quasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers

    • Detects executables containing common artifacts observed in infostealers

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks