Extracted

• • Target
    Nursultan.exe
  • Size 19.8MB
  • SHA256 13dcf8833f9fe533311420d9db085b180aca2ff1674e692c79b6596ebf5a83cd
  • MD5 4aa0a579b602bd4434e6c857294fcca5
  • SHA1 3b4fec5946e430c54ec4b9170b165c9893368c1b
  • SHA512 58fc656496033afdeda99efb2d9576fcc46e4b8af96ed0d024dc13b1fd775a98dad74d53f917c0e63980129221ecd686a8e178a86da423fadaac0761d50eff4a
  • SSDEEP 393216:kTspQo6f651rlw2PbRAInE5xg2N0hS+cpEMqT96SDtwdM7d3dgB7bSu8bafx3:kQuo6kBbeIACkAaE6k4MwBau8ix
  • MD5 SHA1 SHA512 SSDEEP

  Score

  10^/10

  umbralxwormexecutionpersistenceratspywarestealertrojan

  • Detect Umbral payload

  • Detect Xworm Payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Drops file in Drivers directory

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Adds Run key to start application

    persistence

  • 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.

  behavioral1behavioral2