General

  • Target

    7635416121.zip

  • Size

    870KB

  • Sample

    220627-x5b4paegc6

  • MD5

    fceb3db4cb285b0aed1595d581a5ccd0

  • SHA1

    7b596ab997b530edb85b7017bb4d82bd5176c5fe

  • SHA256

    13a9cd2c532831e30d652104de92af1ea3b84754471217d0b736a30c72921b8f

  • SHA512

    3b390188a72b83f83a8c54890f58cad4b064197d7eb1ed7e1a71b1bc615620b5e90f6b7b2a76242dabe42e0a6391923d243019364ff89f123529ae14a447cc89

Malware Config

Extracted

Family

bumblebee

Botnet

246a

C2

231.215.229.228:485

69.52.231.230:347

239.99.55.244:383

128.197.89.141:438

100.75.172.149:488

23.82.141.11:443

107.77.228.163:260

88.232.241.45:176

51.83.253.131:443

80.194.203.32:143

18.248.93.197:110

200.194.145.202:359

154.56.0.111:443

154.207.124.132:129

174.104.34.167:296

84.224.237.39:382

195.250.7.94:370

237.251.89.198:174

81.39.2.175:407

139.203.193.38:443

rc4.plain

Targets

    • Target

      037ae9d6d426d941891dd738f8bc499c93a5429efcfa261ef2755aed550d2d7c

    • Size

      1.3MB

    • MD5

      e0f372f1c60780342de156d1255402bc

    • SHA1

      3f8b9792bd430ee579d798fa5ab6b5854d22b2ab

    • SHA256

      037ae9d6d426d941891dd738f8bc499c93a5429efcfa261ef2755aed550d2d7c

    • SHA512

      abb3789e02e66d169439252aaeeade8eaea1ec1e7955a2b3fe929bed525ca1d43e7c44f8a59f3c4388cffd68f04950861c23d325b964c72d3227fa5e7bb0f188

    • 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