General

  • Target
    Crack_voicemod_pro.exe
  • Size 437KB
  • Sample260627-z2askady6p
  • SHA256 7b28197bae5a7b1adce270e7a30cde871acdccf41510202f2c0239a7f98ca2f3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xorium_stealer

C2
  • https://api.telegram.org/bot8682644885:AAHrfOOWs0fXFP8aePz1G5SLePwYwyEqemo/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
      Crack_voicemod_pro.exe
    • Size 437KB
    • SHA256 7b28197bae5a7b1adce270e7a30cde871acdccf41510202f2c0239a7f98ca2f3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects XoriumStealer payload

    • Family: XoriumStealer

      XoriumStealer is an information stealer written in C#.

    • Modifies WinLogon for persistence

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Event Triggered Execution: AppInit DLLs

      Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    • Looks for VMWare Tools registry key

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • 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.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks