Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    15/06/2022, 18:44

General

  • Target

    project requirements.lnk

  • Size

    1KB

  • MD5

    db4e4a4e926e4dfe525929250afe7ae7

  • SHA1

    4eb0bb7294c53f896527ce770e3c299c2fcbfdca

  • SHA256

    7c38f9a113c85027806676885e027e4ed7de6b3c9bbd0861babfc2a8c911ec48

  • SHA512

    f75a3e9b0bb22c9335bbd38bda8858ec6d7f11dd66c0bd26d45be4d9c0c4f49b9f559e5ed4be9da7a9f9e77f920c0aebb27ae60876a26635987ba504b997a538

Malware Config

Extracted

Family

bumblebee

Botnet

156a

C2

83.47.40.251:306

251.143.69.150:395

64.250.120.4:406

115.16.153.155:459

233.82.38.10:391

60.27.170.3:463

221.218.33.190:154

218.199.149.25:415

0.134.23.62:116

241.41.90.117:181

78.244.227.62:462

146.70.125.122:443

224.49.28.61:214

2.97.24.126:148

112.81.173.199:399

170.107.238.10:276

45.84.0.13:443

210.163.58.211:385

146.19.173.186:443

154.56.0.102:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\project requirements.lnk"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\System32\odbcconf.exe
      "C:\Windows\System32\odbcconf.exe" -f project.rsp
      2⤵
      • 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
      • Identifies Wine through registry keys
      • Suspicious behavior: EnumeratesProcesses
      PID:1764

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1504-54-0x000007FEFB9F1000-0x000007FEFB9F3000-memory.dmp

    Filesize

    8KB

  • memory/1764-92-0x00000000022A0000-0x00000000023B7000-memory.dmp

    Filesize

    1.1MB