General

  • Target

    NOwPpfBRiTFTYD.dll

  • Size

    1.8MB

  • Sample

    220906-znw4msfden

  • MD5

    b3ab9b4d0f69155cc7df3f72b647afc1

  • SHA1

    4698056d14689edbf8d7ef1d6b0b327644eecee5

  • SHA256

    8bf1c0d4bf445006046e26fce66e8c45d034c23ec3f73a14d5230b090bf3662d

  • SHA512

    8de0d2cf3be709740e5205bfcb3dbff9077cbaa1ec6cd3c52f7b36d7c6e23940c4230e8c378d0f575952f9120c46e9f44008a4a9f2b52032d9671692bdd8e3d5

  • SSDEEP

    24576:T3HZCk3SJpRELLhZZ63PdojKS9S5Kz+qKyTENoQk9jYfcoucV:T3HZCKLJKVoj/YtOFYfcIV

Malware Config

Extracted

Family

bumblebee

Botnet

0609

C2

84.167.88.233:345

215.145.61.202:308

137.40.97.52:338

246.203.125.82:132

70.248.138.150:450

246.254.85.162:227

101.50.12.208:402

14.62.107.26:472

205.185.121.173:443

177.8.108.125:102

187.128.248.53:325

107.189.1.156:443

85.76.146.210:369

41.1.133.165:470

249.69.10.40:322

155.198.230.103:351

33.11.192.227:449

28.229.156.200:263

159.128.17.14:415

46.67.127.195:493

rc4.plain

Targets

    • Target

      NOwPpfBRiTFTYD.dll

    • Size

      1.8MB

    • MD5

      b3ab9b4d0f69155cc7df3f72b647afc1

    • SHA1

      4698056d14689edbf8d7ef1d6b0b327644eecee5

    • SHA256

      8bf1c0d4bf445006046e26fce66e8c45d034c23ec3f73a14d5230b090bf3662d

    • SHA512

      8de0d2cf3be709740e5205bfcb3dbff9077cbaa1ec6cd3c52f7b36d7c6e23940c4230e8c378d0f575952f9120c46e9f44008a4a9f2b52032d9671692bdd8e3d5

    • SSDEEP

      24576:T3HZCk3SJpRELLhZZ63PdojKS9S5Kz+qKyTENoQk9jYfcoucV:T3HZCKLJKVoj/YtOFYfcIV

    • 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.

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks