Resubmissions

23-02-2024 09:54

240223-lw8whsfa37 10

18-01-2024 17:02

240118-vj468sedd7 10

17-01-2024 08:56

240117-kv7fmacagr 10

13-09-2023 20:10

230913-yx26ksef8w 10

Analysis

  • max time kernel
    101s
  • max time network
    184s
  • platform
    windows10-1703_x64
  • resource
    win10-20230831-en
  • resource tags

    arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-09-2023 20:10

General

  • Target

    name.dll

  • Size

    1.1MB

  • MD5

    ff519023357a9cc5bb731d798de2f6b6

  • SHA1

    c14545a2d261647012a825e77af3a52fbc2cbc4d

  • SHA256

    e714557aa665651045795c747d9b0faec60863c27edd579c7d6ed75bb33b94f1

  • SHA512

    daddc936416b6ff42bdc47ea50b9b7e0acdaa202f46f75e8a14422c5254eb9a23918bd42ea6131503692045cbedf66373429c9c3cd07286c649f2a04801df1c0

  • SSDEEP

    24576:Zf4/h/FsE6r+XMKFo6hFWHWhw7a9LfMtJ3JCI:J4/hNsEiKK

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\name.dll
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1600
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1600 -s 448
      2⤵
      • Program crash
      PID:3096

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1600-0-0x0000000001F90000-0x0000000002009000-memory.dmp

    Filesize

    484KB

  • memory/1600-2-0x00007FF9F3620000-0x00007FF9F37FB000-memory.dmp

    Filesize

    1.9MB

  • memory/1600-1-0x0000000002120000-0x000000000222A000-memory.dmp

    Filesize

    1.0MB

  • memory/1600-5-0x0000000002120000-0x000000000222A000-memory.dmp

    Filesize

    1.0MB

  • memory/1600-3-0x0000000002120000-0x000000000222A000-memory.dmp

    Filesize

    1.0MB

  • memory/1600-4-0x00007FF9F3620000-0x00007FF9F37FB000-memory.dmp

    Filesize

    1.9MB

  • memory/1600-6-0x00007FF9F3620000-0x00007FF9F37FB000-memory.dmp

    Filesize

    1.9MB

  • memory/1600-7-0x00007FF9F3620000-0x00007FF9F37FB000-memory.dmp

    Filesize

    1.9MB

  • memory/1600-8-0x0000000001F90000-0x0000000002009000-memory.dmp

    Filesize

    484KB

  • memory/1600-9-0x00007FF9F3620000-0x00007FF9F37FB000-memory.dmp

    Filesize

    1.9MB