Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2022 18:06

General

  • Target

    pFTLNjSsgkkKZo.dll

  • Size

    878KB

  • MD5

    07b711458d0b4240267f7e47b50075d1

  • SHA1

    e2e9feb1b42562cb1f22685667f8299dcdf10042

  • SHA256

    42a63fe8c0d8f9c2fa090a69d85f5e5b35beef468b58912db56c78dcde79a929

  • SHA512

    68fe82b71fc8e063642653a57fd2fe5580c233f22a4b17b4e5fc95456c7c96cd23a389b614d8d225c33f174c376795e55ebb409159ed5473a4f5d005bd933434

  • SSDEEP

    24576:9IRXooWOMQ4569PPkHHPplBDVaYRxH6df30Ra2HN7:9I5XWOZw6hMnBlbamH6dc1N7

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

1411

C2

107.189.13.247:443

64.44.102.241:443

54.37.130.24:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Blocklisted process makes network request 6 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\pFTLNjSsgkkKZo.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:4528

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/4528-132-0x000002B576120000-0x000002B576269000-memory.dmp

    Filesize

    1.3MB

  • memory/4528-133-0x000002B574570000-0x000002B5745E8000-memory.dmp

    Filesize

    480KB