Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-02-2023 21:28

General

  • Target

    Contract_02_21_Copy#11.exe

  • Size

    1.4MB

  • MD5

    f088ea1be5a341d3492271f45962690c

  • SHA1

    936446b29cc330138b669d303548e34514a42687

  • SHA256

    e7541ad9e7c20ca7fa95fcbc9489fd9fb1f603ddf2f0be9155422c43dfd93380

  • SHA512

    5bbad95bb7d6a20ab42fb16d03c6ebc0ee5900be34a9b16dbcb5bdfd95ea39453380bade7a1bf7133a2bf6f2a1e659f4dbe26cbfa6b2d4b53d7b2628a308196f

  • SSDEEP

    24576:l0otxMzvoAP2eqD9MbjlZJtaTj5L0CUp4kFoHXsCyXju63:6/zvoAP2/RM5t6jvvyXjr

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#11.exe
    "C:\Users\Admin\AppData\Local\Temp\Contract_02_21_Copy#11.exe"
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:4984

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4984-133-0x00000246B1A70000-0x00000246B1AFB000-memory.dmp

    Filesize

    556KB

  • memory/4984-134-0x00000246B1C70000-0x00000246B1DD1000-memory.dmp

    Filesize

    1.4MB

  • memory/4984-135-0x00000246B1C70000-0x00000246B1DD1000-memory.dmp

    Filesize

    1.4MB

  • memory/4984-136-0x00000246B1C70000-0x00000246B1DD1000-memory.dmp

    Filesize

    1.4MB

  • memory/4984-137-0x00000246B1A70000-0x00000246B1AFB000-memory.dmp

    Filesize

    556KB