Overview

overview

10

Static

static

3

2026-08-02...at.exe

windows10-2004-x64

7

2026-08-02...at.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-02_fbc5bb4c8a33db26961e407e626c7f1c_icedid_luca-stealer_njrat
  • Size 4.6MB
  • Sample260802-cs8lxascpf
  • SHA256 a1b5c44b6f1d4f1c80ff4ccff40fe3745509ebcd0f80ea07479b7c3eefd0e3d1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04adwarediscoveryexecutionspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 10.0.2.15:4782

Mutex

  • 6a75116d-b078-449b-8e78-6422db248fd4

Attributes
  • encryption_key

    580E4D898C9D9175C2381CEEB0AED9D4C974D5C1

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      2026-08-02_fbc5bb4c8a33db26961e407e626c7f1c_icedid_luca-stealer_njrat
    • Size 4.6MB
    • SHA256 a1b5c44b6f1d4f1c80ff4ccff40fe3745509ebcd0f80ea07479b7c3eefd0e3d1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    adwarediscoveryexecutionspywareoffice04quasartrojan

    • 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.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks