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 22:40

General

  • Target

    Contract_02_21_Copy#29.exe

  • Size

    1.4MB

  • MD5

    599378917c2d2a802c8c2063fac651c3

  • SHA1

    022c49842268d62e1956fc3dd67d6bbfb878844c

  • SHA256

    1c17ffd1b75481630244bb1f0f78b819798f900966210b0e3ca06276b38558f2

  • SHA512

    ba1eddcd059d9f322fa312365e28da0c56496033423c39736b71fd58623cd685253dc071de2c91a7f89094fa4196e4df91ef197664672903d835f579e034c8fb

  • SSDEEP

    24576:AArPuHyMNjmtUwvd1HFG74s54663DxFxxqQQGAj/uuf9:ARHyqjGUydzC4cFItwkW

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#29.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#29.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1848

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1848-133-0x000002296DC70000-0x000002296DCFB000-memory.dmp

    Filesize

    556KB

  • memory/1848-134-0x000002296DE60000-0x000002296DFC1000-memory.dmp

    Filesize

    1.4MB

  • memory/1848-135-0x000002296DE60000-0x000002296DFC1000-memory.dmp

    Filesize

    1.4MB

  • memory/1848-136-0x000002296DE60000-0x000002296DFC1000-memory.dmp

    Filesize

    1.4MB

  • memory/1848-137-0x000002296DC70000-0x000002296DCFB000-memory.dmp

    Filesize

    556KB