General

  • Target
    2510c_cr29.exe
  • Size 2.7MB
  • Sample221107-ltxepsadd5
  • SHA256 e78686c842f5497fa096978d9c4e7b4bff76cb4f34bba2a9d4fb64d06e554a2f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • bumblebee

Botnet
  • 2510

C2
  • 69.46.15.158:443

  • 135.125.241.35:443

  • 172.86.120.141:443

rc4.plain

Targets

    • Target
      2510c_cr29.exe
    • Size 2.7MB
    • SHA256 e78686c842f5497fa096978d9c4e7b4bff76cb4f34bba2a9d4fb64d06e554a2f
    • MD5 SHA1 SHA512 SSDEEP
    • 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.

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks