Resubmissions

26-08-2022 13:31

220826-qshmdaeba6 10

26-04-2022 17:50

220426-wekgpsdeh8 9

General

  • Target

    svchost.dll

  • Size

    2.6MB

  • Sample

    220826-qshmdaeba6

  • MD5

    1e561bf546eef5bb80e25ae25720199b

  • SHA1

    2b182d08aeb6a4740c543e7e4b0c85034e89953c

  • SHA256

    5bda2ccd3e92981caa7e60e21efa4fb96b6d1f3657361232e4958d900d816d6a

  • SHA512

    3299b2b5436d2e01736a73a03654d4620bd533cb2695c8b9abe4a60cbd42f0155d8f11cb7d3e636b9c5a5caae993db04070f9f828b50e1c9f137760f1f82d255

  • SSDEEP

    49152:/TJbbKekSCr84UEzgNkj+jec62ErgavWUNjEVC82KfVAbP:/TZbKekSCr8FlI+jP67E/UNIVC82qeP

Malware Config

Extracted

Family

bumblebee

Botnet

25html

C2

23.83.134.136:443

138.201.190.52:443

rc4.plain

Targets

    • Target

      svchost.dll

    • Size

      2.6MB

    • MD5

      1e561bf546eef5bb80e25ae25720199b

    • SHA1

      2b182d08aeb6a4740c543e7e4b0c85034e89953c

    • SHA256

      5bda2ccd3e92981caa7e60e21efa4fb96b6d1f3657361232e4958d900d816d6a

    • SHA512

      3299b2b5436d2e01736a73a03654d4620bd533cb2695c8b9abe4a60cbd42f0155d8f11cb7d3e636b9c5a5caae993db04070f9f828b50e1c9f137760f1f82d255

    • SSDEEP

      49152:/TJbbKekSCr84UEzgNkj+jec62ErgavWUNjEVC82KfVAbP:/TZbKekSCr8FlI+jP67E/UNIVC82qeP

    • 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