Analysis

  • max time kernel
    173s
  • max time network
    181s
  • 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 21:39

General

  • Target

    131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.dll

  • Size

    1.1MB

  • MD5

    3a96a42f6d6334a36d2ea26abb0a2c95

  • SHA1

    d88496edc6ed76072d656f68c3bd845bc823e442

  • SHA256

    131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7

  • SHA512

    1dc98be046c80e65e028fac53340e90397c0aca7fdb33b9fa22f7e9ca2e6947b86170d0660fd2a391569959661b3e4634a925a16f4d2a4edcd4beb0dfa302ca1

  • SSDEEP

    12288:VOQRLO3Bp/U4uxkfRZ2qKoWep2F0D02lHoSrcrb+OArPFJz9N4xvYb8:VOQR63XMxkpkqKZ+e0Z8uprPrf4xQo

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\131cee43a6f14bd9133246e87828275c30b2ad9d3036b4fcd4a08001903fa7e7_JC.dll
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:4232

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4232-0-0x0000000002740000-0x00000000027B9000-memory.dmp

    Filesize

    484KB

  • memory/4232-1-0x00007FFD3EED0000-0x00007FFD3F0C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4232-3-0x00000000028D0000-0x00000000029DA000-memory.dmp

    Filesize

    1.0MB

  • memory/4232-4-0x00007FFD3EED0000-0x00007FFD3F0C5000-memory.dmp

    Filesize

    2.0MB

  • memory/4232-5-0x00000000028D0000-0x00000000029DA000-memory.dmp

    Filesize

    1.0MB

  • memory/4232-2-0x00000000028D0000-0x00000000029DA000-memory.dmp

    Filesize

    1.0MB

  • memory/4232-6-0x00000000028D0000-0x00000000029DA000-memory.dmp

    Filesize

    1.0MB

  • memory/4232-7-0x0000000002740000-0x00000000027B9000-memory.dmp

    Filesize

    484KB

  • memory/4232-8-0x00007FFD3EED0000-0x00007FFD3F0C5000-memory.dmp

    Filesize

    2.0MB