General

  • Target

    XClient.exe

  • Size

    104KB

  • Sample

    240508-h65p3abe67

  • MD5

    46ec3b97b9cb4d88170a96f131b77202

  • SHA1

    40407b73e633f76467ec55faae4bc9c32aea6314

  • SHA256

    2126ac689af69c6853512e17814451b9cbb0662faf33eecbe339a5610bd86d65

  • SHA512

    790bc44f3588806e560c57870d59bd398b1cc2a9c96ad7f082187986b7dcbe5eef49087cfbef3e29f975faf76418326cbb6cbc20a8d5ad1b290eabd41abe4fa5

  • SSDEEP

    3072:Jp2gE1/X4bK8FO/G/bY31mgjio+Saw9VElV:7g1P4bLbY31mgjilbyi

Malware Config

Extracted

Family

xworm

C2

our-sole.gl.at.ply.gg:46907

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Targets

    • Target

      XClient.exe

    • Size

      104KB

    • MD5

      46ec3b97b9cb4d88170a96f131b77202

    • SHA1

      40407b73e633f76467ec55faae4bc9c32aea6314

    • SHA256

      2126ac689af69c6853512e17814451b9cbb0662faf33eecbe339a5610bd86d65

    • SHA512

      790bc44f3588806e560c57870d59bd398b1cc2a9c96ad7f082187986b7dcbe5eef49087cfbef3e29f975faf76418326cbb6cbc20a8d5ad1b290eabd41abe4fa5

    • SSDEEP

      3072:Jp2gE1/X4bK8FO/G/bY31mgjio+Saw9VElV:7g1P4bLbY31mgjilbyi

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook accounts

    • Adds Run key to start application

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

5
T1552

Credentials In Files

4
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

5
T1005

Email Collection

1
T1114

Tasks