Overview

overview

10

Static

static

10

v5fueei.exe

windows10-2004-x64

10

v5fueei.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    v5fueei.exe
  • Size 2.6MB
  • Sample260513-yjpy4aew2s
  • SHA256 f5f0e52163104f81b6897b23284e625d9ddcab36751c1552b64a73004f824cf2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.6.6

Botnet

  • Office04

C2

  • 16.16.126.52:6385

Mutex

  • 31757616-807a-40f9-b0a3-7062b1df8d7f

Attributes
  • encryption_key

    7799F230382DEC15CFC54F1D560B5A8B875621D2

  • install_name

    Runtime Broker.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    logs

  • reconnect_delay

    3000

  • startup_key

    RuntimeBroker

  • subdirectory

    system32

Targets

    • Target
      v5fueei.exe
    • Size 2.6MB
    • SHA256 f5f0e52163104f81b6897b23284e625d9ddcab36751c1552b64a73004f824cf2
    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks