Analysis

  • max time kernel
    136s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2023 21:37

General

  • Target

    452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.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

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\452bb497728f1eb2ccd56b83f7a13e51447bd79852085e68908cb6c47625060b_JC.dll
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:4816

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4816-0-0x0000000002240000-0x00000000022B9000-memory.dmp

    Filesize

    484KB

  • memory/4816-1-0x00007FF989870000-0x00007FF989A65000-memory.dmp

    Filesize

    2.0MB

  • memory/4816-3-0x00007FF989870000-0x00007FF989A65000-memory.dmp

    Filesize

    2.0MB

  • memory/4816-4-0x00000000023E0000-0x00000000024EA000-memory.dmp

    Filesize

    1.0MB

  • memory/4816-5-0x00000000023E0000-0x00000000024EA000-memory.dmp

    Filesize

    1.0MB

  • memory/4816-2-0x00000000023E0000-0x00000000024EA000-memory.dmp

    Filesize

    1.0MB

  • memory/4816-6-0x00000000023E0000-0x00000000024EA000-memory.dmp

    Filesize

    1.0MB

  • memory/4816-7-0x0000000002240000-0x00000000022B9000-memory.dmp

    Filesize

    484KB

  • memory/4816-8-0x00007FF989870000-0x00007FF989A65000-memory.dmp

    Filesize

    2.0MB