General

  • Target

    zippedISO_20220615.zip

  • Size

    997KB

  • Sample

    220615-v5wf8acef9

  • MD5

    61b74d95a63dbb76af5a52e151766a5b

  • SHA1

    277a0ea55ad3e4b40e28da2f14cbdb098e1473f6

  • SHA256

    4b94ef5a7651773545d376bfb6e032549f91286ef99b3c77beda371c11d54b31

  • SHA512

    be91a956e10c6de8585966723378fb4434b2ecf453f9b4a8a14fb0452280086bf851b7e19f5dd5b6417a70d89b2b342d2a5dae55e9cbd3479f0aeba35daf01f8

Malware Config

Extracted

Family

bumblebee

Botnet

156r

C2

249.241.29.24:181

124.243.81.221:274

142.11.216.143:443

190.123.237.229:261

208.84.180.22:146

103.175.16.106:443

18.8.71.243:176

37.64.220.2:332

100.93.33.185:487

182.62.4.186:282

239.100.121.57:329

228.78.147.191:253

212.234.34.219:148

138.65.77.29:391

55.14.133.44:292

221.238.146.116:272

91.167.137.83:421

66.23.70.38:168

183.37.64.159:220

241.112.226.151:197

rc4.plain

Targets

    • Target

      documents.lnk

    • Size

      2KB

    • MD5

      0c61c063804dbbe46b16acbfb28d8771

    • SHA1

      1231e3cddeedc09bb243b9b4536f3029efc4c8b7

    • SHA256

      7b9a00cbd523a9585abb072f782b0b1447a905a3d63232627591bdf363f776c4

    • SHA512

      6c2a29ba06bda9b778e2590d45ba698bc7b195c014afd31ede17ce086786413b97d8c9c7f29b38e07022571e0a397d44cad01550fb5a673014246c21a350e35b

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Target

      glin3r.dll

    • Size

      1.5MB

    • MD5

      dfcee862a58ab04a5fcb9417d81f7084

    • SHA1

      4fe82f38d826dda103dce02380ad859387d92578

    • SHA256

      46edbc79fb5779ff1ed0c35641bfda0ceb25782c262c54ce77e94ad7676f727a

    • SHA512

      b01a706d684de75aa35a12b47fa004c86293c673d6df80cc2d7da6df348f55c191dc8d1cb3653b66e113534983d2604164eda0c18529f705bd762b0f6bae3da5

    • 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