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Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07/08/2024, 04:12

General

  • Target

    Killbat.bat

  • Size

    1KB

  • MD5

    fcda81e8fd70aecbaf9e3aab9858a136

  • SHA1

    277f7be429baea2cde041965c6e5b4287340ad89

  • SHA256

    2cb0e019a442b66ef726131e30c7d061edc6f8dd173fd4ef78755ffb0bd64b18

  • SHA512

    1958be2541dfa5e4796a27b9a2c6bd8b132c251577463962836f2d343b3757d24e4d8407c3c61c07f3ddcbc058612adb1146763cdc942974090b3b9fb3a47a83

Score
3/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\Killbat.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "Add-Type -AssemblyName System.Windows.Forms; $result = [System.Windows.Forms.MessageBox]::Show('This script will display a fake blue screen of death. Do you want to continue?', 'Confirmation', [System.Windows.Forms.MessageBoxButtons]::YesNo, [System.Windows.Forms.MessageBoxIcon]::Warning); if ($result -eq [System.Windows.Forms.DialogResult]::No) { exit }"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2816
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -command "$form = New-Object System.Windows.Forms.Form; $form.Text = 'STOP: C000021A {Fatal System Error}'; $form.BackColor = 'Blue'; $form.FormBorderStyle = 'None'; $form.WindowState = 'Maximized'; $form.TopMost = $true; $label = New-Object System.Windows.Forms.Label; $label.Text = 'The Windows Logon Process system process terminated unexpectedly with a status of 0xC000021A (0x00000000 0x00000000). The system has been shut down.'; $label.ForeColor = 'White'; $label.AutoSize = $true; $label.Top = 50; $label.Left = 50; $form.Controls.Add($label); $form.ShowDialog()"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    dbf73c22701c306c5941231179e182ef

    SHA1

    4fed9d8538d1dd25c1fdf049d5e580474f816e50

    SHA256

    321d7c86ef4099372920266efb9aa6b5f035a24ed38eac1793a25b63135072e2

    SHA512

    fa2ae77496a98216e6e557b4a4378e78500fd1b4e446d4cce73170ffb8e6d7ec855851e04763efd7319b7a787382b4cc777ec820a807245c4e280c81b40c1786

  • memory/2684-15-0x000000001B4F0000-0x000000001B7D2000-memory.dmp

    Filesize

    2.9MB

  • memory/2684-16-0x00000000028E0000-0x00000000028E8000-memory.dmp

    Filesize

    32KB

  • memory/2816-4-0x000007FEF614E000-0x000007FEF614F000-memory.dmp

    Filesize

    4KB

  • memory/2816-5-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

    Filesize

    2.9MB

  • memory/2816-6-0x0000000002670000-0x0000000002678000-memory.dmp

    Filesize

    32KB

  • memory/2816-7-0x000007FEF5E90000-0x000007FEF682D000-memory.dmp

    Filesize

    9.6MB

  • memory/2816-8-0x000007FEF5E90000-0x000007FEF682D000-memory.dmp

    Filesize

    9.6MB

  • memory/2816-9-0x000007FEF5E90000-0x000007FEF682D000-memory.dmp

    Filesize

    9.6MB