Overview

overview

10

Static

static

1

win.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    win.bat

  • Size

    585KB

  • Sample

    240611-21aghsvgnd

  • MD5

    f377b5767f571bf7cda462e24789c235

  • SHA1

    9bd0227755d378a1de1f664aad91699ffe4a8ec4

  • SHA256

    b43a7d061f8f4f8a51a0dbd558491600a5f1693f642a2033d7a5292e1b8dcbc0

  • SHA512

    f24b0a6282c75cf496c2edd37c925ce08be11bbe319852bd54b0152f968dc1c75cd91692ecbb9c60025eba0609ecd88ea0463aa3189a4a9ced91e5ea9fe3e37c

  • SSDEEP

    12288:raJm+Yth2zVMa7rY0GUe6P1+DJLp88u0rEl4EBjBly7y9p84iQ5be2v3K97HpGv:O8hmVUUeQ+DDu0Il4EBry78qhQZJaFp+

Score
10/10
quasarretardexecutionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Retard

C2

looking-memphis.gl.at.ply.gg:45119

Mutex

QSR_MUTEX_NdVmtbzKaAsjfD9IEq

Attributes
  • encryption_key

    QtqJRs7xO06fGK1rIZkn

  • install_name

    wind.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      win.bat

    • Size

      585KB

    • MD5

      f377b5767f571bf7cda462e24789c235

    • SHA1

      9bd0227755d378a1de1f664aad91699ffe4a8ec4

    • SHA256

      b43a7d061f8f4f8a51a0dbd558491600a5f1693f642a2033d7a5292e1b8dcbc0

    • SHA512

      f24b0a6282c75cf496c2edd37c925ce08be11bbe319852bd54b0152f968dc1c75cd91692ecbb9c60025eba0609ecd88ea0463aa3189a4a9ced91e5ea9fe3e37c

    • SSDEEP

      12288:raJm+Yth2zVMa7rY0GUe6P1+DJLp88u0rEl4EBjBly7y9p84iQ5be2v3K97HpGv:O8hmVUUeQ+DDu0Il4EBry78qhQZJaFp+

    Score
    10/10
    quasarretardexecutionspywaretrojan

    • 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.

    • Executes dropped EXE

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks