Overview

overview

10

Static

static

1

Uni.bat

windows10-1703-x64

10

Uni.bat

windows10-2004-x64

10

Uni.bat

windows11-21h2-x64

10

Uni.bat

android-13-x64

Sharing

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General

  • Target

    Uni.bat

  • Size

    513KB

  • Sample

    240516-wjmgvsgf3s

  • MD5

    0a925ca16ec44e9565027638c4ff20f7

  • SHA1

    d20cce3d5306e093b5229277bf185d8837870434

  • SHA256

    f97f77ce58a88581f1c85dd041e9eae54355627ecb8a50879e3e2b2d3b93c928

  • SHA512

    063be2320c4fabda61ea010ed4cecd8cb48805590d174efe9df5664afe7507ab83087b604ecb9999c7c1c51e13a841735e976d846ef6c693fe0c72ac94ca1d43

  • SSDEEP

    12288:ZUA4TL+TtSVgrl27G3czjtDAJyemKolW59Evy:ZUA4Yx27GYGJyemKtivy

Score
10/10
quasarslaveandroidexecutionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SLAVE

C2

even-lemon.gl.at.ply.gg:33587

Mutex

$Sxr-AidubAN29rBfWYM23w

Attributes
  • encryption_key

    iBg8YjYObpa3f3ADDras

  • install_name

    $sxr-powershell.exe

  • log_directory

    $SXR-LOGS

  • reconnect_delay

    3000

  • startup_key

    $sxr-powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      Uni.bat

    • Size

      513KB

    • MD5

      0a925ca16ec44e9565027638c4ff20f7

    • SHA1

      d20cce3d5306e093b5229277bf185d8837870434

    • SHA256

      f97f77ce58a88581f1c85dd041e9eae54355627ecb8a50879e3e2b2d3b93c928

    • SHA512

      063be2320c4fabda61ea010ed4cecd8cb48805590d174efe9df5664afe7507ab83087b604ecb9999c7c1c51e13a841735e976d846ef6c693fe0c72ac94ca1d43

    • SSDEEP

      12288:ZUA4TL+TtSVgrl27G3czjtDAJyemKolW59Evy:ZUA4Yx27GYGJyemKtivy

    Score
    10/10
    quasarslaveexecutionspywaretrojan

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Looks up external IP address via web service

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

    behavioral1behavioral2behavioral3behavioral4

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks