Overview

overview

10

Static

static

1

4Xc1zTf.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    4Xc1zTf.bat

  • Size

    313B

  • Sample

    240702-2l3vhstdja

  • MD5

    83b90daf2dc1611ccacd57f90a9e7dcd

  • SHA1

    bcc229dcfe50608ada43b87105e423f88deb09f3

  • SHA256

    3598bd743d78bb85de33127f0584f9d37d0775fa5166b721b153deeeea0c172b

  • SHA512

    1aadf9c3cf7e540e09929bb9b834af192d9edc7196c6e44e4d77f8df2d26404509381306bcbd405d86dd47df403a375220b097aa7fd05162422c1dd594df3778

Score
10/10
asyncratquasarxwormdefaultslaveexecutionpersistenceratspywaretrojan

Malware Config

Extracted

Family

quasar

Attributes
  • reconnect_delay

    3000

Extracted

Family

xworm

C2

super-nearest.gl.at.ply.gg:17835

best-bird.gl.at.ply.gg:27196

wiz.bounceme.net:6000
aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

finally-grande.gl.at.ply.gg:25844

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

quasar

Version

3.1.5

Botnet

Slave

C2

stop-largely.gl.at.ply.gg:27116

Mutex

$Sxr-kl1r656AGsPQksTmi8

Attributes
  • encryption_key

    CjDCAPF1JiLswgFipef3

  • install_name

    $77Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Start-Up Application

  • subdirectory

    $77

Targets

    • Target

      4Xc1zTf.bat

    • Size

      313B

    • MD5

      83b90daf2dc1611ccacd57f90a9e7dcd

    • SHA1

      bcc229dcfe50608ada43b87105e423f88deb09f3

    • SHA256

      3598bd743d78bb85de33127f0584f9d37d0775fa5166b721b153deeeea0c172b

    • SHA512

      1aadf9c3cf7e540e09929bb9b834af192d9edc7196c6e44e4d77f8df2d26404509381306bcbd405d86dd47df403a375220b097aa7fd05162422c1dd594df3778

    Score
    10/10
    asyncratquasarxwormdefaultslaveexecutionpersistenceratspywaretrojan

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Detect Xworm Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

      execution

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • 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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks