Analysis

  • max time kernel
    125s
  • max time network
    131s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    14-09-2023 08:45

General

  • Target

    452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b.dll

  • Size

    1.1MB

  • MD5

    7d2156efddf126dfb4c466da06f15e11

  • SHA1

    cf90131f73f72b7f32bccca438283a04a1001dbe

  • SHA256

    452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b

  • SHA512

    83496c49175e85e627ff320ec954f1e393d1473e17bf098f3dfbb98c09b18da6c1d4258bdcfcecc382a8da91424ff63ad882deb8a9572fecb6c667b131d74fe4

  • SSDEEP

    24576:drD2uxNbJd3BU7XFLH9io8hAGOAHxLrQ+P3U:ZDBxNvR

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

js1

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Program crash 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b.dll
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:3672
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 3672 -s 448
      2⤵
      • Program crash
      PID:3132

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3672-0-0x0000000002770000-0x00000000027E9000-memory.dmp

    Filesize

    484KB

  • memory/3672-2-0x00007FFA9DB90000-0x00007FFA9DD6B000-memory.dmp

    Filesize

    1.9MB

  • memory/3672-1-0x00000000029B0000-0x0000000002ABA000-memory.dmp

    Filesize

    1.0MB

  • memory/3672-3-0x00000000029B0000-0x0000000002ABA000-memory.dmp

    Filesize

    1.0MB

  • memory/3672-5-0x00007FFA9DB90000-0x00007FFA9DD6B000-memory.dmp

    Filesize

    1.9MB

  • memory/3672-4-0x00000000029B0000-0x0000000002ABA000-memory.dmp

    Filesize

    1.0MB

  • memory/3672-6-0x00007FFA9DB90000-0x00007FFA9DD6B000-memory.dmp

    Filesize

    1.9MB

  • memory/3672-7-0x0000000002770000-0x00000000027E9000-memory.dmp

    Filesize

    484KB

  • memory/3672-8-0x00007FFA9DB90000-0x00007FFA9DD6B000-memory.dmp

    Filesize

    1.9MB