General

  • Target
    Stealerv371.exe
  • Size 292KB
  • Sample260706-ltj5dahs8k
  • SHA256 13b39c4c9c2b6f9341907803680d928cb6b820d0a7cf51c51791e3502bf71e2c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xorium_stealer

C2
  • https://api.telegram.org/bot8411431993:AAEfSmY06vKocYc98OuqgKAVox4ZvamireQ/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
      Stealerv371.exe
    • Size 292KB
    • SHA256 13b39c4c9c2b6f9341907803680d928cb6b820d0a7cf51c51791e3502bf71e2c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects XoriumStealer payload

    • Family: XoriumStealer

      XoriumStealer is an information stealer written in C#.

    • Loads dropped DLL

    • 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.

    • System Binary Proxy Execution: wuauclt

      Abuse Wuauclt to proxy execution of malicious code.

    • Accesses Microsoft Outlook profiles

    • 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