General

  • Target
    Client.exe
  • Size 247KB
  • Sample260905-pzhqaadh77
  • SHA256 7c826af402d87a5ef6c8307c5beb938c28403f19aa8ef118a01669bce82753ea
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xorium_stealer

C2
  • https://api.telegram.org/bot8786527294:AAFpABPkVBVsvHX4XJIUgty0uE4Awb6Nvb0/sendDocument

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36

Targets

    • Target
      Client.exe
    • Size 247KB
    • SHA256 7c826af402d87a5ef6c8307c5beb938c28403f19aa8ef118a01669bce82753ea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • 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

    • Detects XoriumStealer payload

    • Family: XoriumStealer

      XoriumStealer is an information stealer written in C#.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • 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 Enterprise v16

Tasks