Overview

overview

10

Static

static

1

Uni.bat

windows11-21h2-x64

10

Sharing

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General

  • Target

    Uni.bat

  • Size

    576KB

  • Sample

    240702-vj22wasdqg

  • MD5

    53c25a989659575eda761a7e10e47639

  • SHA1

    3f9dab7caaa8ce9d090c345a45d840ca6d6403bd

  • SHA256

    eabafc43f60c7a0f9b29358aaf66df5e539eae7da4206e19fca24a7cad16ec22

  • SHA512

    596c2d21690b6ff2651d2a49c54d3f3fd0b5c84b2cb201941f76283a7f63000c97a362e8d1bbccedaa8edc31a9423ba5684cf695c8be2de756067bdba518b75d

  • SSDEEP

    12288:NeI/2vRHcJNVJ5F/FKOws8GcYLeRqjaJ9Gx0R6FSXc2:L/68JTF0pSaJ99RGs

Score
10/10
quasarseroxenexecutionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

15.5.0

Botnet

SeroXen

C2

147.185.221.20:49485

Mutex

QSR_MUTEX_rzhQPLl57DqbMvbZp9

Attributes
  • encryption_key

    uci47GgWZEaymmo5mXad

  • install_name

    Client.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Uni.bat

    • Size

      576KB

    • MD5

      53c25a989659575eda761a7e10e47639

    • SHA1

      3f9dab7caaa8ce9d090c345a45d840ca6d6403bd

    • SHA256

      eabafc43f60c7a0f9b29358aaf66df5e539eae7da4206e19fca24a7cad16ec22

    • SHA512

      596c2d21690b6ff2651d2a49c54d3f3fd0b5c84b2cb201941f76283a7f63000c97a362e8d1bbccedaa8edc31a9423ba5684cf695c8be2de756067bdba518b75d

    • SSDEEP

      12288:NeI/2vRHcJNVJ5F/FKOws8GcYLeRqjaJ9Gx0R6FSXc2:L/68JTF0pSaJ99RGs

    Score
    10/10
    quasarseroxenexecutionspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Looks up external IP address via web service

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

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks