Overview

overview

10

Static

static

3

cb22cebed9...26.exe

windows7-x64

10

cb22cebed9...26.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26.exe

  • Size

    748KB

  • Sample

    240629-b7cbksyapg

  • MD5

    457143901d9ca2f0bc836c1dd1faefe3

  • SHA1

    11e554dcfca0dd51c5bfe92d35b9c13b21b81691

  • SHA256

    cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26

  • SHA512

    0bd04e37e8f3bb869783661972b83ec8fb6b06727eff27374d2855e714b31cd51b15ada8e46d8b09eda9367dd002f65436785b7962f80f5812396aff3c03c0d0

  • SSDEEP

    12288:Ykpcy+P2t8ysP8ZURBmtxjlk/u6ntgJ2E3P0DtaxoisMLHsXxteTX:Ykpcy5tVZqBmTji/PQP0Zaxd5LHxT

Score
10/10
asyncratquasarxwormdefaultslaveexecutionratspywaretrojan

Malware Config

Extracted

Family

xworm

C2

head-experimental.gl.at.ply.gg:46178

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

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

wiz.bounceme.net:6000
Attributes
  • install_file

    USB.exe

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

    ql4fQ8TV9ZFP9vRX2myA

  • install_name

    $sxr~Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    $77STARTUP~MSF

  • subdirectory

    $sxr~SubDir

Targets

    • Target

      cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26.exe

    • Size

      748KB

    • MD5

      457143901d9ca2f0bc836c1dd1faefe3

    • SHA1

      11e554dcfca0dd51c5bfe92d35b9c13b21b81691

    • SHA256

      cb22cebed97d6363239f63cf28816b8a8c06977c6d8625a43a61f0afa8823b26

    • SHA512

      0bd04e37e8f3bb869783661972b83ec8fb6b06727eff27374d2855e714b31cd51b15ada8e46d8b09eda9367dd002f65436785b7962f80f5812396aff3c03c0d0

    • SSDEEP

      12288:Ykpcy+P2t8ysP8ZURBmtxjlk/u6ntgJ2E3P0DtaxoisMLHsXxteTX:Ykpcy5tVZqBmTji/PQP0Zaxd5LHxT

    Score
    10/10
    asyncratquasarxwormdefaultslaveexecutionratspywaretrojan

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      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.

    behavioral1behavioral2

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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

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