General

  • Target
    4a50407aa5853e81c080bb645275d056.exe
  • Size 386KB
  • Sample220723-tegppsfedm
  • SHA256 f8e0071b5a217e2caf3193ff532db9cdff04a9bb61090518204d46e05f8d3ec3
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • arkei

Botnet
  • Default

Targets

    • Target
      4a50407aa5853e81c080bb645275d056.exe
    • Size 386KB
    • SHA256 f8e0071b5a217e2caf3193ff532db9cdff04a9bb61090518204d46e05f8d3ec3
    • MD5 SHA1 SHA512
    • Arkei

      Arkei is an infostealer written in C++.

    • suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

      suricata: ET MALWARE Win32/Vidar Variant/Mars Stealer CnC Exfil

    • Checks computer location settings

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks