General

  • Target

    5419138cf1e8522ad913948035e6f3f9d4ea4d4940cfd27db398cd3e6ea3245f

  • Size

    3.4MB

  • Sample

    230323-yfxjrshg49

  • MD5

    70bd33b3d32a7cd6a213263ec73c41f3

  • SHA1

    6dac3fcf784ff2889021065f16b583c4ac817145

  • SHA256

    5419138cf1e8522ad913948035e6f3f9d4ea4d4940cfd27db398cd3e6ea3245f

  • SHA512

    ffdac754d0a867dc51f013bb1e61e7a57082ac4d08d6ed233452204ae0e0a7b5bb4f34942139952951ab143cabbaaeab7d0ebe22ca7f87f4ad4439294f58fcfc

  • SSDEEP

    98304:A/ST9w80soegcII9U+lVAkWi4D7BDE4Nmmwe:2ST9wO1u+lkBQumY

Malware Config

Targets

    • Target

      5419138cf1e8522ad913948035e6f3f9d4ea4d4940cfd27db398cd3e6ea3245f

    • Size

      3.4MB

    • MD5

      70bd33b3d32a7cd6a213263ec73c41f3

    • SHA1

      6dac3fcf784ff2889021065f16b583c4ac817145

    • SHA256

      5419138cf1e8522ad913948035e6f3f9d4ea4d4940cfd27db398cd3e6ea3245f

    • SHA512

      ffdac754d0a867dc51f013bb1e61e7a57082ac4d08d6ed233452204ae0e0a7b5bb4f34942139952951ab143cabbaaeab7d0ebe22ca7f87f4ad4439294f58fcfc

    • SSDEEP

      98304:A/ST9w80soegcII9U+lVAkWi4D7BDE4Nmmwe:2ST9wO1u+lkBQumY

    • 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.

    • Executes dropped EXE

    • Modifies file permissions

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks