Overview

overview

10

Static

static

3

2026-08-05...at.exe

windows10-2004-x64

10

2026-08-05...at.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-05_c95e81a19a62297c5d2d942b871ada6a_icedid_luca-stealer_njrat
  • Size 4.6MB
  • Sample260805-c98m8scd59
  • SHA256 02a6d10ae37be0a976c5a2e3f089ed0fc6ec549093b17c64bacd32826cfca6f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryexecutionpersistencespywaretrojan

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
      2026-08-05_c95e81a19a62297c5d2d942b871ada6a_icedid_luca-stealer_njrat
    • Size 4.6MB
    • SHA256 02a6d10ae37be0a976c5a2e3f089ed0fc6ec549093b17c64bacd32826cfca6f1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryexecutionquasarpersistencespywaretrojan

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks