General

  • Target

    run.ps1

  • Size

    98B

  • Sample

    241223-wa5bbawnfr

  • MD5

    f06b8028feb204bc56013b2f961ea80c

  • SHA1

    8d5eeee9730fcd09b7e46b566d00b28458405457

  • SHA256

    cd1dab4f48894954a1c3fec77cb8af692a49853cb7b0c748021bbecbec8496c1

  • SHA512

    fbc4f28323c80ccd2faf9030aefecb47846aa379df61f6bcbcaf093691669f375cfcb09a519969d16e0e3b88faf5baaa0538faf3695c95595d501f3839bedc76

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://recaptha-verify-8u.pages.dev

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://polovoiinspektor.shop/secure/login.txt

Extracted

Language
hta
Source
URLs
hta.dropper

https://recaptha-verify-8u.pages.dev

Targets

    • Target

      run.ps1

    • Size

      98B

    • MD5

      f06b8028feb204bc56013b2f961ea80c

    • SHA1

      8d5eeee9730fcd09b7e46b566d00b28458405457

    • SHA256

      cd1dab4f48894954a1c3fec77cb8af692a49853cb7b0c748021bbecbec8496c1

    • SHA512

      fbc4f28323c80ccd2faf9030aefecb47846aa379df61f6bcbcaf093691669f375cfcb09a519969d16e0e3b88faf5baaa0538faf3695c95595d501f3839bedc76

    • Detect Vidar Stealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Checks installed software on the system

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

    • 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.

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks