Resubmissions

09-10-2023 22:51

231009-2syjdaba39 10

31-05-2023 19:38

230531-ycf3lsaf68 10

Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2023 22:51

General

  • Target

    Contract_02_21_Copy#32.exe

  • Size

    1.4MB

  • MD5

    6e4e21b15f5c27ca82b7934fa6544c5d

  • SHA1

    f78efb588be3ca19966f3b46dbdb2d98b44de408

  • SHA256

    897e53b648020ab28663240bbbce54546cf6f55b35019fd4aa2a209c4a3b1832

  • SHA512

    d435d67585d2a0f4448aaa0fd8d9aede26a81cf8fe8bbf4c97ded550f3eb676366adc07cd4dec9be90d6d28f51ae28ceac46b13c3b229fcdcbec5325d21edc43

  • SSDEEP

    24576:XrmJ8nj4+I2lkxeUHhb7o8728eU44yDjQNBmTW7MKfMhk:iJ0hEeuxu2zfX

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#32.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#32.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1052

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1052-0-0x00000000000D0000-0x000000000015B000-memory.dmp

    Filesize

    556KB

  • memory/1052-1-0x0000000077840000-0x00000000779E9000-memory.dmp

    Filesize

    1.7MB

  • memory/1052-2-0x00000000005F0000-0x0000000000751000-memory.dmp

    Filesize

    1.4MB

  • memory/1052-3-0x0000000077840000-0x00000000779E9000-memory.dmp

    Filesize

    1.7MB

  • memory/1052-4-0x00000000005F0000-0x0000000000751000-memory.dmp

    Filesize

    1.4MB

  • memory/1052-5-0x00000000005F0000-0x0000000000751000-memory.dmp

    Filesize

    1.4MB

  • memory/1052-6-0x00000000000D0000-0x000000000015B000-memory.dmp

    Filesize

    556KB

  • memory/1052-7-0x0000000077840000-0x00000000779E9000-memory.dmp

    Filesize

    1.7MB