General

  • Target

    11bd40a0954b6ed9dcdad37325e5c8e2e7f273502f65e4da719dfbfa227bde9c

  • Size

    1.8MB

  • Sample

    220205-f4fxtagff5

  • MD5

    d25d3cc452e2fca0a82c59f3843c1e9a

  • SHA1

    8a4e91c5e24813483fc81db1f334cb4efe457601

  • SHA256

    11bd40a0954b6ed9dcdad37325e5c8e2e7f273502f65e4da719dfbfa227bde9c

  • SHA512

    1e23b13f5c2953edcd200701e3f50d3b82a6d7138e7cb1af2a3200dc37fe4786ac868b70e20a9d6442b57e8f15b8f3a1c470aa482dbdfa250431c14c4eec36d7

Malware Config

Targets

    • Target

      11bd40a0954b6ed9dcdad37325e5c8e2e7f273502f65e4da719dfbfa227bde9c

    • Size

      1.8MB

    • MD5

      d25d3cc452e2fca0a82c59f3843c1e9a

    • SHA1

      8a4e91c5e24813483fc81db1f334cb4efe457601

    • SHA256

      11bd40a0954b6ed9dcdad37325e5c8e2e7f273502f65e4da719dfbfa227bde9c

    • SHA512

      1e23b13f5c2953edcd200701e3f50d3b82a6d7138e7cb1af2a3200dc37fe4786ac868b70e20a9d6442b57e8f15b8f3a1c470aa482dbdfa250431c14c4eec36d7

    • Detect Neshta Payload

    • Modifies system executable filetype association

    • Neshta

      Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

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

    • Sets service image path in registry

    • 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.

    • Identifies Wine through registry keys

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

    • Reads user/profile data of web browsers

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks