Overview

overview

10

Static

static

10

ffffil.exe

windows10-2004-x64

10

ffffil.exe

windows10-ltsc_2021-x64

10

ffffil.exe

windows11-21h2-x64

10

ffffil.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    ffffil.exe
  • Size 3.1MB
  • Sample261107-p1sa4sb13s
  • SHA256 bfdbc60acce4a74ef3881e095f31bcaa1a68beeb40a96c6fcd823f906cc45d36
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04discoveryexecutionspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • nbjha-2600-4040-93e2-5200-b954-1664-89c0-9969.run.pinggy-free.link:40137

Mutex

  • dd9a3169-97c2-4cec-be24-d5211e410e1b

Attributes
  • encryption_key

    D90D6EF2B3AFA8475EA3F362EACE6A0671A74468

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      ffffil.exe
    • Size 3.1MB
    • SHA256 bfdbc60acce4a74ef3881e095f31bcaa1a68beeb40a96c6fcd823f906cc45d36
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04discoveryexecutionquasarspywaretrojan

    • 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.

    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v16

Tasks