General

  • Target

    9339fe09ff7f8cc9c853d6d6a5171858.dll

  • Size

    2.6MB

  • Sample

    220504-y95ggahdek

  • MD5

    9339fe09ff7f8cc9c853d6d6a5171858

  • SHA1

    b5ddc9a0b1e7d639a0d71c6627337995b3a02ed6

  • SHA256

    48f664496412e4da22a0d539aca9fe98737a194103d55ff58ea15dae95935d90

  • SHA512

    b75c9d33b22403526e12642ecba9b9fa07afd4101865398e4956ff18e200c18528724a9d26c27182c829c62e87e513496fcbafa9a55b9dc1729ca74ba1f276f0

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

    • MD5

      9339fe09ff7f8cc9c853d6d6a5171858

    • SHA1

      b5ddc9a0b1e7d639a0d71c6627337995b3a02ed6

    • SHA256

      48f664496412e4da22a0d539aca9fe98737a194103d55ff58ea15dae95935d90

    • SHA512

      b75c9d33b22403526e12642ecba9b9fa07afd4101865398e4956ff18e200c18528724a9d26c27182c829c62e87e513496fcbafa9a55b9dc1729ca74ba1f276f0

    • 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