Extracted

• • Target

    a1756.hta

  • Size

    106KB

  • MD5

    77e0ff485132eb2eb9f87ad6eab9a503

  • SHA1

    46eb0a58f4e0d34649a9bd07a63d0fda8b6cf4a9

  • SHA256

    9464c5521abc33590b6388f41d53d306f33c8e6a4b20358155a3cbfbdf31b0ff

  • SHA512

    8fd76911715e85adc2335f0daa8ce8a916823a369056d860d56e5eb188faca5dfe0b6a6fbf545384dce7fd4b54971f754d076cdc1386a440f42ec05c64713d06

  Score

  10^/10

  bumblebeea17evasiontrojan

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

    trojanbumblebee

  • Enumerates VirtualBox registry keys

    evasion

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

    evasion

  • Looks for VirtualBox Guest Additions in registry

    evasion

  • Blocklisted process makes network request

  • Downloads MZ/PE file

  • 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.

    evasion

  • Loads dropped DLL

  behavioral1