Overview

overview

10

Static

static

10

Client-built.exe

windows10-1703-x64

10

Client-built.exe

windows10-2004-x64

10

Client-built.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240528-zx1hescc5x

  • MD5

    fd874e0d6811bcbd5feb812040853642

  • SHA1

    7213c686b0e8cbb6527077eaeb3291791a8f06ba

  • SHA256

    b2a5bbacabfa8f6cd6c24f87a5825a8231cce32086d369be612c6b7bdf658dad

  • SHA512

    3c8265e9d981b0d5ebbd1157b79afb3b31f57f6083f2c5ce6d4658718b5d79faf4358936af76aa4a4e1e94f7803ef6c77e07e782333d9d7003d42ea1de2ffa34

  • SSDEEP

    49152:bvxI22SsaNYfdPBldt698dBcjHLYqQJmzaloGdbhTHHB72eh2NT:bvi22SsaNYfdPBldt6+dBcjHkqQ3

Score
10/10
quasarseroxenspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SeroXen

C2

operations-wagner.gl.at.ply.gg:50199

Mutex

164b6496-cf32-4fdd-b70d-de29665c8286

Attributes
  • encryption_key

    A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7

  • install_name

    $sxr-insta.exe

  • log_directory

    $sxr-logs

  • reconnect_delay

    1000

  • startup_key

    $sxr-mstha

  • subdirectory

    $sxr-start

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      fd874e0d6811bcbd5feb812040853642

    • SHA1

      7213c686b0e8cbb6527077eaeb3291791a8f06ba

    • SHA256

      b2a5bbacabfa8f6cd6c24f87a5825a8231cce32086d369be612c6b7bdf658dad

    • SHA512

      3c8265e9d981b0d5ebbd1157b79afb3b31f57f6083f2c5ce6d4658718b5d79faf4358936af76aa4a4e1e94f7803ef6c77e07e782333d9d7003d42ea1de2ffa34

    • SSDEEP

      49152:bvxI22SsaNYfdPBldt698dBcjHLYqQJmzaloGdbhTHHB72eh2NT:bvi22SsaNYfdPBldt6+dBcjHkqQ3

    Score
    10/10
    quasarseroxenspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1behavioral2behavioral3

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

System Information Discovery

3
T1082

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks