Overview

overview

10

Static

static

10

4deebf56cf...56.exe

windows10-2004-x64

10

4deebf56cf...56.exe

windows11-21h2-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    4deebf56cf37840df28dcc8fbaaff10223300a0834f56.exe
  • Size 3.1MB
  • Sample260605-e4bgnaaz6s
  • SHA256 4deebf56cf37840df28dcc8fbaaff10223300a0834f564aff2b89d3875abd900
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasaroffice04executionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • branleet.duckdns.org:1337

Mutex

  • 4c3a0dea-152b-4ecb-bf8d-3586fefe50c8

Attributes
  • encryption_key

    28C3106CD1CEC9A5DFEC7F2BA3B0DD7E70784429

  • install_name

    fontdrvhost.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    fontdrvhost

  • subdirectory

    SecurityHealth

Targets

    • Target
      4deebf56cf37840df28dcc8fbaaff10223300a0834f56.exe
    • Size 3.1MB
    • SHA256 4deebf56cf37840df28dcc8fbaaff10223300a0834f564aff2b89d3875abd900
    • 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