Overview

overview

10

Static

static

10

4140a54e72...in.exe

windows10-2004-x64

10

4140a54e72...in.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    4140a54e72bbb6a8e103cb109f88fe5a62b2f83735f085d9612674a17b48ef2d.bin.exe
  • Size 3.1MB
  • Sample251027-er487swmev
  • SHA256 4140a54e72bbb6a8e103cb109f88fe5a62b2f83735f085d9612674a17b48ef2d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 82.64.201.145:43710

Mutex

  • 023bdf69-0a98-4251-a9d2-d0f5b1eeb2a0

Attributes
  • encryption_key

    08FD2176592B1F8C73EC1637B2627B1B99D52F9C

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    explorer

  • subdirectory

    SubDir

Targets

    • Target
      4140a54e72bbb6a8e103cb109f88fe5a62b2f83735f085d9612674a17b48ef2d.bin.exe
    • Size 3.1MB
    • SHA256 4140a54e72bbb6a8e103cb109f88fe5a62b2f83735f085d9612674a17b48ef2d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    office04executionquasarpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks