General

  • Target

    information.dll

  • Size

    2.0MB

  • Sample

    230324-x6pfeagh24

  • MD5

    c9216484a6371b055705ec5f4098ab01

  • SHA1

    a13903e50408e11996159fba5f7deab1e73e8f08

  • SHA256

    fed9bc8df9141f8f8f7a9203bc26b5b22123c154702fcd625379f2f7ecd31cb2

  • SHA512

    64485bb8e1845a29f9d60343a0bd6fd8de4220aa83f3cd19eed47737642b79db2753106192798d495202e74016f2e845d161c1362ad09b01104f9cfb8c939359

  • SSDEEP

    49152:G+MhMvcxBbQLsks2EWZs09Xl3ZF9EK99sq+Zy1RDZ5ko4Ebv5g7H11zLG0ZriPkb:G+Yu/ZTjLHS3bmdeQbzWIu78ph13l3bS

Malware Config

Extracted

Family

bumblebee

Botnet

146l

C2

141.98.168.70:443

103.175.16.107:443

146.70.124.77:443

154.56.0.100:443

194.135.33.16:443

185.62.58.209:443

rc4.plain

Targets

    • Target

      information.dll

    • Size

      2.0MB

    • MD5

      c9216484a6371b055705ec5f4098ab01

    • SHA1

      a13903e50408e11996159fba5f7deab1e73e8f08

    • SHA256

      fed9bc8df9141f8f8f7a9203bc26b5b22123c154702fcd625379f2f7ecd31cb2

    • SHA512

      64485bb8e1845a29f9d60343a0bd6fd8de4220aa83f3cd19eed47737642b79db2753106192798d495202e74016f2e845d161c1362ad09b01104f9cfb8c939359

    • SSDEEP

      49152:G+MhMvcxBbQLsks2EWZs09Xl3ZF9EK99sq+Zy1RDZ5ko4Ebv5g7H11zLG0ZriPkb:G+Yu/ZTjLHS3bmdeQbzWIu78ph13l3bS

    • 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

    • Blocklisted process makes network request

    • 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