Overview

overview

10

Static

static

10

8814843156...7b.exe

windows10-2004-x64

10

8814843156...7b.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    8814843156c38bc50027a0c9b7f3fa849f80c0c8fd9f737cba1ccafcda22ad7b
  • Size 459KB
  • Sample260826-nrd7fsyamd
  • SHA256 8814843156c38bc50027a0c9b7f3fa849f80c0c8fd9f737cba1ccafcda22ad7b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.7.1

Botnet

  • Office04

C2

  • 127.0.0.1:8443

Mutex

  • 5f296532-b857-4cc3-b032-3d06f79cb2bb

Attributes
  • encryption_key

    5EE9240E1DB06E47E58F3C5EDE5123870EE33E1D

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    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

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      8814843156c38bc50027a0c9b7f3fa849f80c0c8fd9f737cba1ccafcda22ad7b
    • Size 459KB
    • SHA256 8814843156c38bc50027a0c9b7f3fa849f80c0c8fd9f737cba1ccafcda22ad7b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    office04executionquasarpersistencespywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks