Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2022 17:17

General

  • Target

    TA580_20221114.zip/DDmEtxgXtOVOLY.bat

  • Size

    1KB

  • MD5

    7d3bc8f7c05afe9f898ba052bd77d0ac

  • SHA1

    59dee82b4be9a3d67a86cef3fea439b5c1f4e3ac

  • SHA256

    71eb244220efc90f4a4a272117e00b9f7e975758b3c3bd1fc4cc28fae58173e5

  • SHA512

    322dc1afb53d19f9cfe90951ea543241e29d34c51fe4d0e6bd23da46d778b489285debf3dd594f8e5007c511341e4515f14a521822009cc2864ca82773537075

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
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\TA580_20221114.zip\DDmEtxgXtOVOLY.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3464
    • C:\Windows\system32\rundll32.exe
      rundll32 aGySCShDWxUsAj.dll,LoadNode
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of NtCreateThreadExHideFromDebugger
      PID:3236

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/3236-133-0x0000017DE7970000-0x0000017DE7AB9000-memory.dmp

    Filesize

    1.3MB

  • memory/3236-134-0x0000017DE76D0000-0x0000017DE7748000-memory.dmp

    Filesize

    480KB