General

  • Target

    11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso

  • Size

    2.5MB

  • Sample

    221201-vgnrgach3y

  • MD5

    f4235fde77119ac772a2730d55c49c54

  • SHA1

    a250adaf3d5a5c2cd4d5ad4390e4cecbe00b3dd7

  • SHA256

    11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355

  • SHA512

    c65b5bbba88cd96856766b1c9f3cce0d7ccedeb63164e165a50508cd2147b522994edaf271953ef19a41afdd7b92bae1aa45b1e5f7e18885a1e68d8012a55086

  • SSDEEP

    24576:/ndTy8pMlAshQiX5Qtme5hekk+t8cH21dFa8POIuTQO0nvpC2QQLVtIwkvME:VT+69d5hrkgp4OlT90nvpdL7kv

Malware Config

Extracted

Family

bumblebee

Botnet

1905r

C2

154.56.0.221:443

64.44.101.250:443

103.175.16.117:443

rc4.plain

Targets

    • Target

      11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355.iso

    • Size

      2.5MB

    • MD5

      f4235fde77119ac772a2730d55c49c54

    • SHA1

      a250adaf3d5a5c2cd4d5ad4390e4cecbe00b3dd7

    • SHA256

      11bce4f2dcdc2c1992fddefb109e3ddad384b5171786a1daaddadc83be25f355

    • SHA512

      c65b5bbba88cd96856766b1c9f3cce0d7ccedeb63164e165a50508cd2147b522994edaf271953ef19a41afdd7b92bae1aa45b1e5f7e18885a1e68d8012a55086

    • SSDEEP

      24576:/ndTy8pMlAshQiX5Qtme5hekk+t8cH21dFa8POIuTQO0nvpC2QQLVtIwkvME:VT+69d5hrkgp4OlT90nvpdL7kv

    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Enumerates VirtualBox registry keys

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

    • Looks for VirtualBox Guest Additions in registry

    • Checks BIOS information in registry

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

    • Identifies Wine through registry keys

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

MITRE ATT&CK Enterprise v6

Tasks