Overview

overview

10

Static

static

10

Client-built.exe

windows11-21h2-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241215-wh5l2s1qex

  • MD5

    2e3c730553c130f030cec92a781f2633

  • SHA1

    ae8a5a63a1a711b38d7dcfe3e91415fb42e058c4

  • SHA256

    f388ffe206b5de775298020541f201a9b055c3aad74cac27c33d392408cf12a0

  • SHA512

    c0784215cd1067051b47fe3f86e6059a410607a1cc9623377b887564220bf9046ec182705534521d9a30b6fc00e2e480a0e2a77457c7ec5098db01bf5e0d8327

  • SSDEEP

    49152:Cv6Y52fyaSZOrPWluWBuGG5g5hJZRJ69bR3LoGdW4THHB72eh2NT:CvP52fyaSZOrPWluWBDG5g5hJZRJ6P

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

999:999

Mutex

5a13e01b-5094-4ae8-9e4e-7b96132114ba

Attributes
  • encryption_key

    C98F5FD72C77D3C38A5C7ECBED91435EDD8177FE

  • install_name

    Client.exe

  • log_directory

    key

  • reconnect_delay

    3000

  • startup_key

    cloud

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      2e3c730553c130f030cec92a781f2633

    • SHA1

      ae8a5a63a1a711b38d7dcfe3e91415fb42e058c4

    • SHA256

      f388ffe206b5de775298020541f201a9b055c3aad74cac27c33d392408cf12a0

    • SHA512

      c0784215cd1067051b47fe3f86e6059a410607a1cc9623377b887564220bf9046ec182705534521d9a30b6fc00e2e480a0e2a77457c7ec5098db01bf5e0d8327

    • SSDEEP

      49152:Cv6Y52fyaSZOrPWluWBuGG5g5hJZRJ69bR3LoGdW4THHB72eh2NT:CvP52fyaSZOrPWluWBDG5g5hJZRJ6P

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks