General

  • Target
    9339fe09ff7f8cc9c853d6d6a5171858.dll
  • Size 2.6MB
  • Sample220504-y95ggahdek
  • SHA256 48f664496412e4da22a0d539aca9fe98737a194103d55ff58ea15dae95935d90
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • bumblebee

C2
  • 23.83.134.136:443

  • 138.201.190.52:443

Attributes
  • group_id

    25html

    AwIWMFX6fJ

Targets

    • Target
      9339fe09ff7f8cc9c853d6d6a5171858.dll
    • Size 2.6MB
    • SHA256 48f664496412e4da22a0d539aca9fe98737a194103d55ff58ea15dae95935d90
    • MD5 SHA1 SHA512
    • 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