General

  • Target

    Requested_Documents_SEPTEMBER2023.pdf .exe

  • Size

    795KB

  • Sample

    230905-ypsbeaba21

  • MD5

    270103c51888a8e98972283c825d84cd

  • SHA1

    5e9c1b83a21441db0ef598e699b9092e8b107146

  • SHA256

    06215d5a571e4cc6a89bd977f4a7a76a03e4aa99bfe73c2cccf65ff3df747957

  • SHA512

    d52788af682f08d120ff1021079e9c1f10b5f58d1ca592ddc8728ca7edf35f979a2bddfa84b93ea40fe18a19136b298abfcc667c4b4589542b161dc7492faf1f

  • SSDEEP

    24576:/YVIvZA34PT8/5GehnI8Lp2y5GppjOFmFC7jRUqMFeA8E2:lhPTO1Jd2jjzFC7jR+d

Malware Config

Extracted

Family

bumblebee

Botnet

rar0409

rc4.plain

Targets

    • Target

      Requested_Documents_SEPTEMBER2023.pdf .exe

    • Size

      795KB

    • MD5

      270103c51888a8e98972283c825d84cd

    • SHA1

      5e9c1b83a21441db0ef598e699b9092e8b107146

    • SHA256

      06215d5a571e4cc6a89bd977f4a7a76a03e4aa99bfe73c2cccf65ff3df747957

    • SHA512

      d52788af682f08d120ff1021079e9c1f10b5f58d1ca592ddc8728ca7edf35f979a2bddfa84b93ea40fe18a19136b298abfcc667c4b4589542b161dc7492faf1f

    • SSDEEP

      24576:/YVIvZA34PT8/5GehnI8Lp2y5GppjOFmFC7jRUqMFeA8E2:lhPTO1Jd2jjzFC7jR+d

    • 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

    • Looks for VMWare Tools registry key

    • 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.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

MITRE ATT&CK Enterprise v15

Tasks