General

  • Target

    7660476120.zip

  • Size

    872KB

  • Sample

    220627-xsjb8sefg5

  • MD5

    dfbbc26db2e2e17ec72db38a29b9cf0f

  • SHA1

    aa6aa3db2b4910e42dfbd34c7f5fd4736eef80ec

  • SHA256

    7ec8b6ce6f1381c436d7d93153dd47c5ccf92c90792be0c2a07c119e7a7d087e

  • SHA512

    e600f238fc9b940a94cb94effd89f55b8cb2641b9f7a3f73edc486872592dcbf1125d95307ffc9d7036da8242a89acff1f263a2afd5993ded8308a114257d0cd

Malware Config

Extracted

Family

bumblebee

Botnet

276a

C2

100.65.168.129:171

207.177.53.164:325

32.87.78.10:384

117.162.18.77:404

116.176.236.58:151

123.2.128.107:267

169.146.162.63:373

55.115.177.92:239

224.248.147.154:499

88.7.179.62:135

187.218.226.58:319

146.70.106.52:443

8.34.35.232:389

98.116.138.87:321

255.161.114.204:370

159.90.121.44:362

150.226.60.234:160

161.254.115.117:308

211.66.121.128:361

43.10.228.15:400

rc4.plain

Targets

    • Target

      73a31d3ce275e2ac8acfe570a47710ed119e92e6b1860647030d65863145138a

    • Size

      1.4MB

    • MD5

      5815bcacea7fda37e5e36a2b7c14be34

    • SHA1

      b85a94538708a3cd2e3cd04d5b7c3ba1b18e1f71

    • SHA256

      73a31d3ce275e2ac8acfe570a47710ed119e92e6b1860647030d65863145138a

    • SHA512

      06b89d7673e39e2f7f63dd3b3706a9093227da581ce6db4a4da0d53650656952e0ff2387917c83f51df1f4921d5c53193fc4f0ae8d411de95893917cf9f0dab6

    • 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