General

  • Target
    work.exe
  • Size 261KB
  • Sample260625-t3mkvsdt6w
  • SHA256 54272a544c0598e4e6c2db30ce846b87838a5cd7251471bd635a5a4828450693
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xorium_stealer

C2
  • https://api.telegram.org/bot8502747995:AAGdDiTHHv7IPUrTP9Of8ggxfWxaz746u7c/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
      work.exe
    • Size 261KB
    • SHA256 54272a544c0598e4e6c2db30ce846b87838a5cd7251471bd635a5a4828450693
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects XoriumStealer payload

    • Family: XoriumStealer

      XoriumStealer is an information stealer written in C#.

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • 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