Overview

overview

10

Static

static

10

Client-built.exe

windows10-ltsc_2021-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample260720-b3vblaes9s
  • SHA256 e9dbf390e63ac74f8e00942377f249ebad8130d33629973a679a6fb720b79e24
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 83.244.126.219:20120

Mutex

  • 3e3ef7bd-7e13-4a32-8d3a-0a836c6ece2d

Attributes
  • encryption_key

    6E83048965804AB1A1734231506E5DBA17D7B3E4

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Startup

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 e9dbf390e63ac74f8e00942377f249ebad8130d33629973a679a6fb720b79e24
    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks