Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2023 01:39

General

  • Target

    fcbb53724b1df93a5d1fc45bb55b9069.dll

  • Size

    1.1MB

  • MD5

    fcbb53724b1df93a5d1fc45bb55b9069

  • SHA1

    890b9b2dfda3203dc1a65c926d45b4e55db7c01a

  • SHA256

    33e80e854c0959e28b1f94cdcd67e28298dcfa3d80d160bc2042f00047a81922

  • SHA512

    64ea2135efb1af48da4675ff8754a776c0681165cb4e3824143404f96bebb417cfff9e3243f49b3720df16bdc5ab8f72ae063b38ce133ad58f0dfedbce3bef9d

  • SSDEEP

    24576:IzGpwBNRQH5EcGOgDhb0fHgrak/05JROMdw8+:gGSBis4

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\fcbb53724b1df93a5d1fc45bb55b9069.dll
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:2776

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2776-0-0x00000000025A0000-0x0000000002619000-memory.dmp

    Filesize

    484KB

  • memory/2776-1-0x0000000002730000-0x000000000283A000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-2-0x0000000002730000-0x000000000283A000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-5-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-6-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-4-0x0000000002730000-0x000000000283A000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-3-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-8-0x0000000002730000-0x000000000283A000-memory.dmp

    Filesize

    1.0MB

  • memory/2776-9-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-7-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-10-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB

  • memory/2776-11-0x00000000025A0000-0x0000000002619000-memory.dmp

    Filesize

    484KB

  • memory/2776-12-0x00007FFE7B990000-0x00007FFE7BB85000-memory.dmp

    Filesize

    2.0MB