General

  • Target

    94141aec3dfffe3c6a1d3576cb17a6d989ef4404554e07ad6ae0b6d5ec584641

  • Size

    6.8MB

  • Sample

    220630-3xgxvsege4

  • MD5

    6dfbff479749aa55936778d5cf94ec1f

  • SHA1

    bbfcd9bc7d4bf178980b3ae2e434a77cd2447401

  • SHA256

    94141aec3dfffe3c6a1d3576cb17a6d989ef4404554e07ad6ae0b6d5ec584641

  • SHA512

    edf2b80a21d1b61ea4d0b9f4522020bfb573c22004181b84cd904b6296466d21e85649aae92bef2766fe3e983852ee0117944e238a67fe817dc53efd006ddf93

Malware Config

Targets

    • Target

      94141aec3dfffe3c6a1d3576cb17a6d989ef4404554e07ad6ae0b6d5ec584641

    • Size

      6.8MB

    • MD5

      6dfbff479749aa55936778d5cf94ec1f

    • SHA1

      bbfcd9bc7d4bf178980b3ae2e434a77cd2447401

    • SHA256

      94141aec3dfffe3c6a1d3576cb17a6d989ef4404554e07ad6ae0b6d5ec584641

    • SHA512

      edf2b80a21d1b61ea4d0b9f4522020bfb573c22004181b84cd904b6296466d21e85649aae92bef2766fe3e983852ee0117944e238a67fe817dc53efd006ddf93

    • Shurk

      Shurk is an infostealer, written in C++ which appeared in 2021.

    • Shurk Stealer Payload

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

    • Checks BIOS information in registry

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

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks