Resubmissions

12/05/2022, 21:08

220512-zzbl3sabg310

10/05/2022, 12:31

220510-pp1hcabehk10

04/05/2022, 21:07

220504-zynv1shdfj10

General

  • Target
    15.dll
  • Size 3.7MB
  • Sample220510-pp1hcabehk
  • SHA256 897bf7aaeee44df44e04fb6b0a276d0be76298569252fe157a39d6071a17631c
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • bumblebee

C2
  • 23.82.128.149:443

  • 108.62.12.203:443

Attributes
  • group_id

    mc405

    BLACK

Targets

    • Target
      15.dll
    • Size 3.7MB
    • SHA256 897bf7aaeee44df44e04fb6b0a276d0be76298569252fe157a39d6071a17631c
    • 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