General

  • Target

    7613986122.zip

  • Size

    939KB

  • Sample

    220617-pvgmeseeb8

  • MD5

    4c398f4b21267acc368ff0b8f52129b6

  • SHA1

    d4d3ffd343b2458172e12993a897d433e24031d9

  • SHA256

    ed3aaaa4b1c47b61cc05ff85a48a3e439b1a4acd99e87d1c03cd14ce1f3bc098

  • SHA512

    308ffe8cc3a360974e11503e12c62ec0a57683817621b6c929074d0bd10033454913940cf0b506881c6d17526d00a5c09e0dd4d4851c5fbabacccbc5bf15d415

Malware Config

Extracted

Family

bumblebee

Botnet

166a

C2

85.239.33.172:443

25.5.198.104:440

223.31.110.102:393

213.226.100.95:443

25.181.64.39:236

199.193.159.46:283

45.138.172.246:443

84.250.88.57:386

145.244.80.29:230

133.17.128.73:319

14.102.170.127:377

1.39.166.217:166

14.40.68.19:391

146.19.173.186:443

199.201.12.90:201

212.110.132.77:289

69.38.43.160:207

131.169.248.28:201

141.178.39.245:323

28.148.236.16:485

rc4.plain

Targets

    • Target

      54bed834c04ae9d6971b63eab0342bf39cf0c4454c7519cfc6861638ca6090bd

    • Size

      1.8MB

    • MD5

      0c96812e195ff482bf9679fe348b3428

    • SHA1

      7c39f792665a5b0619c97415f1080a10b89d9f80

    • SHA256

      54bed834c04ae9d6971b63eab0342bf39cf0c4454c7519cfc6861638ca6090bd

    • SHA512

      ac0b32d21d3c2fde8f16ba5080a6992bbd264a62fb31535f971502276114f18d41f2c668cc7f6de00946c1720fd4ea0aa268cb4cf221ba2e22c049f319f8bc39

    • 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