Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-02-2023 23:26

General

  • Target

    Contract_02_21_Copy#48.exe

  • Size

    1.4MB

  • MD5

    5ac5d2bfb46d310338ad8bb70a0b562d

  • SHA1

    bf07b0e67bb50fec99ff89b17ec6d4f8a19a57e0

  • SHA256

    05aa0587937c153ffbd573c6ba35a446e7c9eae62a39308d6e800e127156c468

  • SHA512

    0ff11a63877ff9e1dfb3abb58ca565754571d8da6cfb180c4926ff97921a8c207eb5ffd6fb53593f7342c1b602c7a9fefa86f1a34a6663f7aac956bfb1fd252f

  • SSDEEP

    24576:XS9VBCocBwQ4v4by+6WUjI9+Wq6w6bX2du9RXr+3:C9CJBp9WHFIJq6Pbmd2RXW

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

21maca

C2

108.62.141.20:443

104.168.140.145:443

51.68.145.171:443

108.62.118.170:443

192.119.72.133:443

23.108.57.201:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#48.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#48.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:2856

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2856-133-0x000001D7E2270000-0x000001D7E23D1000-memory.dmp

    Filesize

    1.4MB

  • memory/2856-134-0x000001D7E2080000-0x000001D7E210B000-memory.dmp

    Filesize

    556KB

  • memory/2856-135-0x000001D7E2270000-0x000001D7E23D1000-memory.dmp

    Filesize

    1.4MB

  • memory/2856-136-0x000001D7E2270000-0x000001D7E23D1000-memory.dmp

    Filesize

    1.4MB