Overview

overview

10

Static

static

10

e/Client-built.exe

windows7-x64

10

e/Client-built.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    Hello.zip

  • Size

    1.2MB

  • Sample

    240602-3ddq4aah3x

  • MD5

    841effd0ddf0100acce68a802aca7400

  • SHA1

    8f4b8c69e3371b13432271fc7a54df56a2dace4d

  • SHA256

    d91cfd3cae8c9fe75b7756d1fd986c1f952fbde751e2005cd8a1b44feec18100

  • SHA512

    0e55f6817c0b7e7d3e022275e002d36e84ca45157a585ac16bfa92e44bd283d2d7660bf932ecf6c4f829a373d41f42aadd17fbba0155024b3ee7f9e8ed0ee933

  • SSDEEP

    24576:zzj37gR1nNZ9BWnZprILYL9S4xi71xnoe1Zt5izL7YJbBtY47cGGI8C5R0Ux:Lr0nr7WnZtSYLxxSoePt5M6H1g/vuWUx

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.1:4782

88.98.207.207:4782
Mutex

6d19d2f9-1235-4b10-a1dd-486dc3edd052

Attributes
  • encryption_key

    12AE26995FE0F312DC3ADA3C8CD142053AD088CA

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      e/Client-built.exe

    • Size

      3.1MB

    • MD5

      aa577b65aef014d53b006d781d104ef6

    • SHA1

      318e06013bbfcfdd14f4e21aa2540f1f1dfe0039

    • SHA256

      242351aa410188e74858d60f04973bf05071b98e82f6494d2ba1851d23fdf178

    • SHA512

      45649bade97928524c7b1e6d456f7abe2036fe33775ac4308c786bd3a8d1ce68ce7ff12dbddb4c80b8d3c28324b13ec37e0ec72c856ce15c32e0724952deace5

    • SSDEEP

      49152:Hv+lL26AaNeWgPhlmVqvMQ7XSKXXxNESEdk/iKLoGdYTHHB72eh2NT:HvuL26AaNeWgPhlmVqkQ7XSKnx80

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks