General

  • Target
    cyber_helper_av.exe
  • Size 11.7MB
  • Sample260703-2fynlscz9m
  • SHA256 77d05a46df79b8c5daa42e01874c3da64cb60955aee47fc4cabf047b8b2bba7c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      cyber_helper_av.exe
    • Size 11.7MB
    • SHA256 77d05a46df79b8c5daa42e01874c3da64cb60955aee47fc4cabf047b8b2bba7c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Disables Task Manager via registry modification

    • Disables cmd.exe use via registry modification

    • Downloads MZ/PE file

    • 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.

    • System Binary Proxy Execution: wuauclt

      Abuse Wuauclt to proxy execution of malicious code.

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks