Overview

overview

10

Static

static

1

XClient.bat

windows10-1703-x64

10

XClient.bat

windows10-2004-x64

10

XClient.bat

windows11-21h2-x64

10

Sharing

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General

  • Target

    XClient.bat

  • Size

    401KB

  • Sample

    240629-tj3sqstfkl

  • MD5

    ba91ec16f05697b52c5d28f1a250ec71

  • SHA1

    02f0502d5270493a302e28c1df808bb29873c109

  • SHA256

    886383676ce8cadc259cadd4de3ba03106f012e5084c739d2fdb826b7c2c4c8d

  • SHA512

    5b43f4f65559ac9368e6f574e3231fdeff1c81e185a28c44d9e4151fe146298ce2949edf0e1b64724e4d00efc2f80f1517548ea6bc7d9558797bc94fe948001b

  • SSDEEP

    12288:XsxR4y6qFoRRh8jDi8gZKLyJ3ToFQBpJ7W5x7B:XN9qFoRRCLmNBLsn

Score
10/10
xwormexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

paris-itself.gl.at.ply.gg:49485

Attributes
  • Install_directory

    %Public%

  • install_file

    USB.exe

Targets

    • Target

      XClient.bat

    • Size

      401KB

    • MD5

      ba91ec16f05697b52c5d28f1a250ec71

    • SHA1

      02f0502d5270493a302e28c1df808bb29873c109

    • SHA256

      886383676ce8cadc259cadd4de3ba03106f012e5084c739d2fdb826b7c2c4c8d

    • SHA512

      5b43f4f65559ac9368e6f574e3231fdeff1c81e185a28c44d9e4151fe146298ce2949edf0e1b64724e4d00efc2f80f1517548ea6bc7d9558797bc94fe948001b

    • SSDEEP

      12288:XsxR4y6qFoRRh8jDi8gZKLyJ3ToFQBpJ7W5x7B:XN9qFoRRCLmNBLsn

    Score
    10/10
    xwormexecutionpersistencerattrojan

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • 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.

    • 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.

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3

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