General

  • Target

    GT0FC_file.exe

  • Size

    4.2MB

  • Sample

    241125-gf92es1qhz

  • MD5

    eb315a7709b7905b3f5fb8053e593abb

  • SHA1

    23f9eafa858d70b35cf0d6d062d0429fadda41f7

  • SHA256

    54bd07ff8a930a49c2bc85bd36b25782d4f808e712e751086165abcde5d3a05d

  • SHA512

    9dcdebd8b19ce110798eb0517239d0697627ef9b74579f4fa19e50ff6705a9937ea27a29b9226b025e85c164171c3cb2f6101a10f58ce2b1cd252fb3f3219975

  • SSDEEP

    98304:ZS7isi15dKkUG4uyef+yNgZHtyxs3FwOv7w5MFjKg:E7ism5dKkzmyaZHtAdOvECFj/

Malware Config

Targets

    • Target

      GT0FC_file.exe

    • Size

      4.2MB

    • MD5

      eb315a7709b7905b3f5fb8053e593abb

    • SHA1

      23f9eafa858d70b35cf0d6d062d0429fadda41f7

    • SHA256

      54bd07ff8a930a49c2bc85bd36b25782d4f808e712e751086165abcde5d3a05d

    • SHA512

      9dcdebd8b19ce110798eb0517239d0697627ef9b74579f4fa19e50ff6705a9937ea27a29b9226b025e85c164171c3cb2f6101a10f58ce2b1cd252fb3f3219975

    • SSDEEP

      98304:ZS7isi15dKkUG4uyef+yNgZHtyxs3FwOv7w5MFjKg:E7ism5dKkzmyaZHtAdOvECFj/

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks