Analysis

  • max time kernel
    41s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    23/06/2022, 20:59

General

  • Target

    PRD.lnk

  • Size

    1KB

  • MD5

    1a9b5960c26658ffa3424a6810ee86a0

  • SHA1

    391b80628d2402518693d457ff863c1091475c03

  • SHA256

    0250c86129cd0bddd7094f5ea76377d5f30bb8ef039499424570ab568e7e7312

  • SHA512

    1c065fc862cccec778ced1343a29ef792b3ca39fb69f1cb28bab4c5deb10b9d77dd2aa9a5ef2acadb85a9886522a2bcbecb31f4fa981c3d260b3a2308579bbf3

Malware Config

Extracted

Family

bumblebee

Botnet

236a

C2

146.19.173.191:443

205.218.26.106:335

133.228.15.13:127

60.3.192.137:146

146.70.124.97:443

40.178.16.145:137

216.149.130.58:162

121.214.140.226:358

54.200.237.168:311

85.217.238.89:286

23.82.141.11:443

135.49.247.231:357

105.99.153.173:436

226.179.144.85:474

115.177.167.79:268

23.29.115.172:443

242.165.229.167:492

238.78.243.167:401

28.192.253.108:405

82.217.32.8:253

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\PRD.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:776
    • C:\Windows\System32\odbcconf.exe
      "C:\Windows\System32\odbcconf.exe" -f projectr.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:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/776-54-0x000007FEFB801000-0x000007FEFB803000-memory.dmp

    Filesize

    8KB

  • memory/1684-92-0x00000000021E0000-0x00000000022F6000-memory.dmp

    Filesize

    1.1MB