General

  • Target

    ta578_zippedISO_20220706.zip

  • Size

    910KB

  • Sample

    220706-q4jc2sfdg4

  • MD5

    d51de5b322a5549b8cd5ad10efa5281e

  • SHA1

    b559d9e96d34513265c69aa9f5cf195dfeef9f93

  • SHA256

    fdb67ee1a0c155f76484c550867b2137fd06788fe7a5257b2fb1b2bfe0eabf65

  • SHA512

    b8208bd9af86e60c7f609ae39cca9d9e0274b0da0850eeca7b29e5049278ce0e67dd87d9e3707656a7ec0b1705c661e891442ab14199b5640385d063f7478ce3

Malware Config

Extracted

Family

bumblebee

Botnet

507r

C2

146.19.173.184:443

41.15.71.157:274

66.9.9.138:154

36.201.196.202:367

173.200.61.240:100

116.241.116.41:410

242.232.106.206:162

10.195.46.61:489

249.112.226.98:243

130.242.219.205:423

154.56.0.113:443

179.5.59.188:228

217.246.42.10:346

169.197.227.201:474

231.228.102.246:186

185.165.82.120:182

74.230.15.244:376

94.88.121.46:403

120.181.249.142:177

138.141.158.45:217

rc4.plain

Targets

    • Target

      documents.lnk

    • Size

      2KB

    • MD5

      516c04aa962dfa0e35e7c992c0eb88a9

    • SHA1

      0ebc08f00d9eb38a72b43be9809162d3362a35de

    • SHA256

      a7885b210054b39cb48f1f95a6697480dfa5f81f5439b69b493ae36a0266d1df

    • SHA512

      92a0fa2f6c7dab55bf60079b33a00dd96aabc19a4a391bfc458a696da62e78035e251f7856a2f4c5665db115305f0aef97c5ab4fd4571c96a147b79fc370e1fe

    • 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.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Target

      o7m2se.dll

    • Size

      1.5MB

    • MD5

      d808582a5e6f1552c7c9b73a78d85730

    • SHA1

      fa43018b94a710ae297ababf973d7bcfc241fbb2

    • SHA256

      b7668bc3a19d39e11ca96e22acc77b4ab5ebb8aeac59235299c6008959129929

    • SHA512

      f0e2d1ecd9e287cdd1f6b846d08adc129ed301612f174c09b31d984fcea3912daa9d65f8497e6a0e289869bb634359d5e8cb01455566aca3234682c7f968792b

    Score
    3/10

MITRE ATT&CK Enterprise v6

Tasks