General

  • Target
    Z1RO Temp Spoofer.exe
  • Size 85.4MB
  • Sample260814-arftdsec96
  • SHA256 d9b73b0dac709de830be418fa34a2c6b71c9282f686608d8837c7028c60dca7b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      Z1RO Temp Spoofer.exe
    • Size 85.4MB
    • SHA256 d9b73b0dac709de830be418fa34a2c6b71c9282f686608d8837c7028c60dca7b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Looks for VirtualBox drivers on disk

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Looks for VMWare drivers on disk

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Contacts third-party web service commonly abused for C2

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Discovers running processes

      Running process information can be used to identify security tools or plan follow-on actions.

MITRE ATT&CK Enterprise v16

Tasks