General

  • Target

    XClient.exe

  • Size

    34KB

  • Sample

    240723-xrmy2ashrj

  • MD5

    8bb9d79ea292fc23e600ebd7957e9333

  • SHA1

    4e78c73a5383f14edc669260524da4bdd5130c36

  • SHA256

    12631c9b83e06b20eb1727eff06e2d6e264e8c58d62ea6ee5d351d195af3502a

  • SHA512

    35101121210917d2dfd34e48f1b29e8806637b58cd18a0bbf93da1ee6decfac12ce55c0820e22c691287c7572bcdba69fc5d134ba4834c015aa553250d6383d8

  • SSDEEP

    384:+xYQVyqLSxEe4fIETsI5feQjFptmByujICLYFiiXmv50QAXnxF8QFhk58pkFyHBp:yrvaUuYsIQehkVFyr9eWTOjhmSDc

Malware Config

Extracted

Family

xworm

Version

5.0

C2

insurance-helmet.gl.at.ply.gg:31388

Mutex

wbZwsAW8h4Ee9jvd

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6758433214:AAHsOKdFy4qDz6vRHO6UQUpRG85G-wZvC1Y/sendMessage?chat_id=6234857847

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      XClient.exe

    • Size

      34KB

    • MD5

      8bb9d79ea292fc23e600ebd7957e9333

    • SHA1

      4e78c73a5383f14edc669260524da4bdd5130c36

    • SHA256

      12631c9b83e06b20eb1727eff06e2d6e264e8c58d62ea6ee5d351d195af3502a

    • SHA512

      35101121210917d2dfd34e48f1b29e8806637b58cd18a0bbf93da1ee6decfac12ce55c0820e22c691287c7572bcdba69fc5d134ba4834c015aa553250d6383d8

    • SSDEEP

      384:+xYQVyqLSxEe4fIETsI5feQjFptmByujICLYFiiXmv50QAXnxF8QFhk58pkFyHBp:yrvaUuYsIQehkVFyr9eWTOjhmSDc

    • AsyncRat

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

    • Detect Xworm Payload

    • Modifies WinLogon for persistence

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Async RAT payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

MITRE ATT&CK Enterprise v15

Tasks