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General

  • Target

    BootstrapperNew.exe

  • Size

    3.4MB

  • Sample

    250308-yqcx4s1ydz

  • MD5

    37d3fcd5058c45d2c2bba065a5c22296

  • SHA1

    22debc7d8cdf3efd9b65ad099592c68ad7fa2713

  • SHA256

    774cc2deb69d990bb908b5b4a77314e474b357268dad92d917dcd85176f43ffd

  • SHA512

    fcad1f64c733180c7812a673379a35e488ed3306ca6146b187c7627a670012cec2a9166bf88815fbc1468cb70e7a1215a54e34aab37cba0f4ded8ce914323bdc

  • SSDEEP

    98304:IZXfHaFoQyDIvqkqXf0FglY1XOe97vLn:SaBqkSIglY1XOCnn

Malware Config

Targets

    • Target

      BootstrapperNew.exe

    • Size

      3.4MB

    • MD5

      37d3fcd5058c45d2c2bba065a5c22296

    • SHA1

      22debc7d8cdf3efd9b65ad099592c68ad7fa2713

    • SHA256

      774cc2deb69d990bb908b5b4a77314e474b357268dad92d917dcd85176f43ffd

    • SHA512

      fcad1f64c733180c7812a673379a35e488ed3306ca6146b187c7627a670012cec2a9166bf88815fbc1468cb70e7a1215a54e34aab37cba0f4ded8ce914323bdc

    • SSDEEP

      98304:IZXfHaFoQyDIvqkqXf0FglY1XOe97vLn:SaBqkSIglY1XOCnn

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Legitimate hosting services abused for malware hosting/C2

    • Network Share Discovery

      Attempt to gather information on host network.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks