Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2022 02:50

General

  • Target

    malicious/eXrZsNsGUlguMh.dll

  • Size

    879KB

  • MD5

    e898a8e758c6d5c8b187f3eeb136cbd2

  • SHA1

    f7754fc36454c07ff7eda9845e3c615e419f804a

  • SHA256

    3eebf8c9fa461f01a64d8d95bc5ec7dc3459f7c141f903f1cb6da7d77c4837b9

  • SHA512

    e7dd7e9a2db71fa82846b460840bf22863aedb464dc65c71065993e33eda637e5901f2baf7503aae4d02831f59a7c90b616df8ef1a8e49609e3431b96435c45a

  • SSDEEP

    24576:hnVr8xZQgnKd0b7/dfpgHiMequAvD2D6:hnVgEcK0/lJquF6

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

1411

C2

107.189.13.247:443

64.44.102.241:443

54.37.130.24:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Blocklisted process makes network request 6 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\malicious\eXrZsNsGUlguMh.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1328

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1328-54-0x0000000001F10000-0x0000000002059000-memory.dmp

    Filesize

    1.3MB

  • memory/1328-55-0x0000000001D50000-0x0000000001DC8000-memory.dmp

    Filesize

    480KB