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Analysis

  • max time kernel
    150s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2022, 02:40

General

  • Target

    TdndchBWGClEyG.dll

  • Size

    836KB

  • MD5

    4ec372d945f4279858d8ed93a83154b8

  • SHA1

    8c1818a64979a128808c971f5d66702fdf964660

  • SHA256

    8533d14d0d29dc3534591363aab48c0857f855a416855042de18fc428a9adeb6

  • SHA512

    8b5725b16875c372522a41ec9ef8839ccc45a3d4840176bab6bd527a4cac85490407fb8ccb8226f5b8be610127bc573ddd40872246ab4a72c85016089d25ecd3

  • SSDEEP

    12288:EjFKLyV6iAV2xGu8AcsufT43mFdWOhV5dP4nODbBYRjRYBmCkvLBxa1FiTCci1JZ:EjFKOVBA/u8jPT2pOgOmpxndx3TCc

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

15repl

C2

23.108.57.200:443

103.144.139.158:443

23.106.160.52:443

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\TdndchBWGClEyG.dll,#1
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:1388

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1388-54-0x0000000001F60000-0x00000000020A9000-memory.dmp

    Filesize

    1.3MB

  • memory/1388-55-0x00000000002C0000-0x0000000000338000-memory.dmp

    Filesize

    480KB