General

  • Target

    file.dll

  • Size

    2.0MB

  • Sample

    220822-rbkwvabfg9

  • MD5

    e4f9309d92bf4cdc5b94d6f303870266

  • SHA1

    3916d95974638827cf04144cbe37c99ed7dd795b

  • SHA256

    21df56d1d4b0a6a54bae3aba7fe15d307bac0e3391625cef9b05dd749cf78c0c

  • SHA512

    7fc3b4c826f12d9c7fc8d24a9487566fb4295fa7ac4052c1f90627dae976b02fbfabf7a3f0aeac58f083f707086d0476bd2477fea449398fb436c51f80215f61

  • SSDEEP

    49152:DTLAEa5MmlT8MPJtcCK3yo+XT3DiOht5v4fThUvL6q23nd0gF2AfRbu57vSvKuoa:DTabwcNv1CP5fNjS0igwVZDivJZLf4ly

Malware Config

Extracted

Family

bumblebee

Botnet

146a

C2

12.236.242.155:211

243.92.11.201:387

182.10.38.85:198

117.75.94.181:456

148.70.67.206:267

247.23.37.74:155

122.247.231.47:117

45.142.214.167:443

171.227.174.67:108

204.1.81.223:110

145.239.28.110:443

170.24.243.46:441

69.235.89.243:366

4.165.175.212:387

76.96.116.176:190

128.44.54.202:493

103.175.16.106:443

40.72.17.141:326

146.19.173.186:443

51.68.145.54:443

rc4.plain

Targets

    • Target

      file.dll

    • Size

      2.0MB

    • MD5

      e4f9309d92bf4cdc5b94d6f303870266

    • SHA1

      3916d95974638827cf04144cbe37c99ed7dd795b

    • SHA256

      21df56d1d4b0a6a54bae3aba7fe15d307bac0e3391625cef9b05dd749cf78c0c

    • SHA512

      7fc3b4c826f12d9c7fc8d24a9487566fb4295fa7ac4052c1f90627dae976b02fbfabf7a3f0aeac58f083f707086d0476bd2477fea449398fb436c51f80215f61

    • SSDEEP

      49152:DTLAEa5MmlT8MPJtcCK3yo+XT3DiOht5v4fThUvL6q23nd0gF2AfRbu57vSvKuoa:DTabwcNv1CP5fNjS0igwVZDivJZLf4ly

    • 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