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Analysis

  • max time kernel
    132s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22/02/2023, 15:06

General

  • Target

    Contract_02_21_Copy#3.exe

  • Size

    1.4MB

  • MD5

    5d32ada4f02216187028e891ed511b8b

  • SHA1

    bf1c5312c969d8277688fc31c3a3f3387ac382d0

  • SHA256

    f2f3b1f5c2d2e21e173d9b36f5c52c8a3f6c4eec2d428dbf3c5aa83b90cb9b69

  • SHA512

    70670982bbbab90b7a0f86c91824accaee83cc24a5db7aa5795ef3061b47624a468d291f4d3c3aefc6fc8ccd3e73eb8e21696806f51bca2a51756ca9aed6e8f2

  • SSDEEP

    24576:3AltU2PTQ/70pdzyTp4BR78M3T+sV1W4qk9i+pZKhG:qU/+yTp4D73sszf

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#3.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#3.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1712

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1712-54-0x00000000005B0000-0x0000000000711000-memory.dmp

    Filesize

    1.4MB

  • memory/1712-55-0x00000000005B0000-0x0000000000711000-memory.dmp

    Filesize

    1.4MB

  • memory/1712-56-0x00000000001F0000-0x000000000027B000-memory.dmp

    Filesize

    556KB

  • memory/1712-57-0x00000000005B0000-0x0000000000711000-memory.dmp

    Filesize

    1.4MB