Analysis

  • max time kernel
    133s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21-02-2023 20:05

General

  • Target

    Contract_02_21_Copy#71.exe

  • Size

    1.4MB

  • MD5

    3f046e46399bc21b0b4b4b8ab07d95e8

  • SHA1

    fb38039c8010d069b100dcfa0267fc6ba35b44e7

  • SHA256

    43c1f9f402f5450cdbc9bb6636dcec7c18015dff72923b765dc7d88050144dd6

  • SHA512

    8a255da5c7d8027e68be43efd84a2b0662c1d60b9aa23e49e554d54d4ca36f217dc208ce8078fcd255e8744132069f6a78f85d61c593da453f4027ed9eb56afa

  • SSDEEP

    24576:FYBj0OgTOaHEyqGrpCxt8L+3XarIp77XpvAnDZ03e44d:e/x+MnV7VdOr

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#71.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#71.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1324

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1324-54-0x00000000004F0000-0x0000000000651000-memory.dmp

    Filesize

    1.4MB

  • memory/1324-55-0x00000000004F0000-0x0000000000651000-memory.dmp

    Filesize

    1.4MB

  • memory/1324-56-0x00000000004F0000-0x0000000000651000-memory.dmp

    Filesize

    1.4MB

  • memory/1324-57-0x0000000000300000-0x000000000038B000-memory.dmp

    Filesize

    556KB