Overview

overview

10

Static

static

10

XClient.exe

windows7-x64

10

XClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    XClient.exe

  • Size

    41KB

  • Sample

    240629-t89btavapm

  • MD5

    c2c574a520f8d4ec451921142d6d1300

  • SHA1

    2bedca7ae5e8d0262411238f500e0ca6e9f696c6

  • SHA256

    7924b7ca79b85a3279076c0b78dd33cfa7bdbd50eeaa9a79ee1137b3ad92ce07

  • SHA512

    8e23e89faa4f9e3174c2c1835605ca9d89b992f6b018634ab95261637ea36f7a0263b90ce78cc9079f05aef681a8fa7bdedd7194d64deccff26efdad24ba5653

  • SSDEEP

    768:sd4LOwcmOsGuECAr43MxfJF5Pa9p+nL6iOwh13/ibX:skHcmOFrRrNRF49InL6iOwHar

Score
10/10
xwormexecutionpersistenceransomwarerattrojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

127.0.0.1:21653

order-detail.gl.at.ply.gg:21653
Mutex

tceZXwc4o5YhEDzH

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    USB.exe

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      41KB

    • MD5

      c2c574a520f8d4ec451921142d6d1300

    • SHA1

      2bedca7ae5e8d0262411238f500e0ca6e9f696c6

    • SHA256

      7924b7ca79b85a3279076c0b78dd33cfa7bdbd50eeaa9a79ee1137b3ad92ce07

    • SHA512

      8e23e89faa4f9e3174c2c1835605ca9d89b992f6b018634ab95261637ea36f7a0263b90ce78cc9079f05aef681a8fa7bdedd7194d64deccff26efdad24ba5653

    • SSDEEP

      768:sd4LOwcmOsGuECAr43MxfJF5Pa9p+nL6iOwh13/ibX:skHcmOFrRrNRF49InL6iOwHar

    Score
    10/10
    xwormexecutionpersistencerattrojanransomware

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • 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.

    • Sets desktop wallpaper using registry

      ransomware
    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

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

2
T1112

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Defacement

1
T1491

Resource Development

Reconnaissance

Tasks