General

  • Target

    20220621_zippedISOAttach.zip

  • Size

    981KB

  • Sample

    220621-v72q1sbbe7

  • MD5

    dfe3a068c230b91e278188619889faa8

  • SHA1

    2143479b2096f2e66f8eb007947b3168f4dabc3e

  • SHA256

    c40e825d90e9da117b13b4116135abf326644feb417392cd3fe2adc6a7976e80

  • SHA512

    250fde5ad976b699c0ab78ececbbe36e8f864a1577900a5171de699ccc189dbbff57f824fb8c9e571803c6be7ba41b6f2bfcb28afa5a2967ed5cca499d037451

Malware Config

Extracted

Family

bumblebee

Botnet

2006r

C2

149.4.32.76:241

194.104.136.152:443

119.230.89.42:407

45.153.241.234:443

173.45.237.73:444

169.239.191.195:335

173.107.248.213:137

90.108.111.212:276

146.19.173.105:443

216.4.65.112:354

52.6.247.44:324

162.212.72.241:135

114.188.145.216:303

5.109.171.105:392

142.11.216.143:443

87.144.64.172:286

103.250.125.252:491

117.173.171.58:296

157.2.47.226:120

53.50.204.254:356

rc4.plain

Targets

    • Target

      documents.lnk

    • Size

      2KB

    • MD5

      956d949aea33054cc315c13c2f31092c

    • SHA1

      4c37e4e5e8a6d04cd593a66e5be5e289440a612f

    • SHA256

      c23fff6940d9b97ac9dce943bef6e9066291981ffe0f2c1b3f4fbc345203a857

    • SHA512

      56eb41c38d626445143620f6e3dcfec59b7c7b6532d57685cee0651e0887c2b092d9d5310afc3d630819d69e2e49ca66ede38034f26e1097a2bd6d873aec8271

    • 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

      s3negar.dll

    • Size

      1.6MB

    • MD5

      5ffb7b6b8fd8998a33f9c56a07e5c097

    • SHA1

      2b00d9bd48d025fdbfea9f2957e964f15ffaa1f4

    • SHA256

      983ff2cfee5f4d8489f04a955148148d5060c64a2673acb538a8fc2d29fe7c13

    • SHA512

      ebbaf344d91189e64c8b60466f3fc795556ad645ebefdb4f71e294926507bfea4ee8db5e2ec65c9068660cdd24256411c0af8bea8cc1845dbb389b22b0f851c2

    Score
    3/10

MITRE ATT&CK Enterprise v6

Tasks