Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    348KB

  • Sample

    241223-g52rcaxkhj

  • MD5

    beb1de229b374cd778107c8268e191ac

  • SHA1

    fb5dcf278195472e206fa484f7005aa485c308ae

  • SHA256

    604b99f997d7de70804667e6e985627485d1a4d1eb694f3c36a34f0a01aef7bd

  • SHA512

    62bbd4c5688438fb5b9d3610cc2fe2be654f4373a28fc116d6118d20b00c82060ac77d33c11758ef20b84a06a3eaced8a6eb9fe792a3a21207f1b37bb18caff0

  • SSDEEP

    6144:IzNHXf500MoXP4PcNINSzpbDGrnxD6JAwV5IO:6d50OCcxzAjR6qwV5IO

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

20.107.53.25:25535

Mutex

QSR_MUTEX_zQ0poF2lHhCSZKSUZ3

Attributes
  • encryption_key

    E2xbpJ93MnABcIqioTDL

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      348KB

    • MD5

      beb1de229b374cd778107c8268e191ac

    • SHA1

      fb5dcf278195472e206fa484f7005aa485c308ae

    • SHA256

      604b99f997d7de70804667e6e985627485d1a4d1eb694f3c36a34f0a01aef7bd

    • SHA512

      62bbd4c5688438fb5b9d3610cc2fe2be654f4373a28fc116d6118d20b00c82060ac77d33c11758ef20b84a06a3eaced8a6eb9fe792a3a21207f1b37bb18caff0

    • SSDEEP

      6144:IzNHXf500MoXP4PcNINSzpbDGrnxD6JAwV5IO:6d50OCcxzAjR6qwV5IO

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks