General

  • Target

    7629756163.zip

  • Size

    900KB

  • Sample

    220628-ydsg2abhfk

  • MD5

    a5dad3183b4d215025a1ef2531cbd866

  • SHA1

    f804f9d9a19ec59fb213eecc1b49b1c0d6044a18

  • SHA256

    5e159f2a59dde43cd8ed433caec99b3cb13bcf762d5ec8dac6242c6fbf5936ea

  • SHA512

    ae388acd969e19bc7ebb3fe9b6a8d30c61bf086d38828d72393f053c782fe582837e216b62df947b9b6559c8f3d5adcda6ee5c9522905bd979c14c4ef61f67e0

Malware Config

Extracted

Family

bumblebee

Botnet

236a

C2

146.19.173.191:443

205.218.26.106:335

133.228.15.13:127

60.3.192.137:146

146.70.124.97:443

40.178.16.145:137

216.149.130.58:162

121.214.140.226:358

54.200.237.168:311

85.217.238.89:286

23.82.141.11:443

135.49.247.231:357

105.99.153.173:436

226.179.144.85:474

115.177.167.79:268

23.29.115.172:443

242.165.229.167:492

238.78.243.167:401

28.192.253.108:405

82.217.32.8:253

rc4.plain

Targets

    • Target

      d4884f6b83fef3545c2f884ac137d3e61220a4f79715f0b26a59c6391cee2daa

    • Size

      1.8MB

    • MD5

      37a9209bf12ad28131c5ea44c7c01d4a

    • SHA1

      6346f7020e77ecf1c3484b00515a32ae0ff6e0c1

    • SHA256

      d4884f6b83fef3545c2f884ac137d3e61220a4f79715f0b26a59c6391cee2daa

    • SHA512

      85adb437fe39756d96182378325763226ef8ba97fe57f9072398992ca186d8b7829c90e0178b7ae8995cd7b952450801b43a76a117fec623cc58149f184b938b

    • 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