Analysis

  • max time kernel
    45s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    07-07-2022 16:10

General

  • Target

    Project requirements.lnk

  • Size

    1KB

  • MD5

    0b97b19bd8dd2e986089e3453d4cbee4

  • SHA1

    5a51fd8005b627172baf7fde880a80d2ec6384a0

  • SHA256

    82d421e750608b1f2005400cdd0e00ef9e43347851495a21091da04f4d689188

  • SHA512

    b87f532e712e3cc01f37ab7ca3a7e6411c5d24df4c8fc3a608c7c267de83d1f15373a8acd3381bc3d62d2cccb92c3ed982db3feb02837e5941fe117522476076

Malware Config

Extracted

Family

bumblebee

Botnet

707a

C2

172.240.175.194:183

171.85.135.192:358

223.7.203.157:407

45.153.242.183:443

211.68.220.197:102

174.119.130.65:369

202.41.22.30:314

58.10.113.168:308

12.33.69.160:285

205.185.123.137:443

112.188.178.13:332

168.205.228.104:480

83.218.135.147:151

228.175.209.140:269

240.114.36.128:411

8.109.227.172:304

142.11.245.185:443

214.233.117.120:167

198.135.200.7:254

73.74.56.146:272

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.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • 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:548
    • C:\Windows\System32\odbcconf.exe
      "C:\Windows\System32\odbcconf.exe" -f upload.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 use of NtCreateThreadExHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/548-54-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

    Filesize

    8KB

  • memory/1768-92-0x0000000002270000-0x0000000002386000-memory.dmp

    Filesize

    1.1MB