Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2022 17:17

General

  • Target

    TA580_20221114.zip/aGySCShDWxUsAj.dll

  • Size

    881KB

  • MD5

    1233a723ebdece80cb592aa584510066

  • SHA1

    d52fe73050ba2b765dde5038db762b183641aee8

  • SHA256

    0b98bff25ebce8053e2c39214b3622b8d8666ae416afb52c5842312f27a6914f

  • SHA512

    69a8c85c71cc2450c336ee7f50bc00de8d4c953dcd8c7a34c87ab14db5a23a15bae7a87fb86923f54ddb4efcd518885f9b4c99d85738eeac0e349b4cffd90f43

  • SSDEEP

    24576:1GpCocuZdWdqF9krwNlW5HtTPVEbzedDRSpN:1Gvcldqjkz5Nj+bz4DRSn

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

1411

C2

107.189.13.247:443

64.44.102.241:443

54.37.130.24:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Blocklisted process makes network request 6 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\TA580_20221114.zip\aGySCShDWxUsAj.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:5060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/5060-132-0x0000022731800000-0x0000022731949000-memory.dmp

    Filesize

    1.3MB

  • memory/5060-133-0x0000022731640000-0x00000227316B8000-memory.dmp

    Filesize

    480KB