convert.exe

  • File Path: C:\windows\system32\convert.exe
  • Description: File System Conversion Utility

Hashes

Type Hash
MD5 99FA01A1058746932E428CCB7A9FFEE9
SHA1 19DF131FDA91C5332C3EA41E96CACF97B09AD578
SHA256 558339886C1C7477AE17CC747702FB69BB2E8E1B8DB70C42570C4739884A42DF
SHA384 CC4C05F0D5A35BE5BB16D8855E29E976A38CA55C0A682E298B39851AF7FE2956778CFB0450DD7029164836161A627E8F
SHA512 0A20FC9A03ADC606417FED65F264B60A4486D7DF3E4AED41DF5C7EA218A024CCDA7FB22F82A63C9BC61A9FC90DFF630B195F95DAF4D3C347A78395EE6FD0937D
SSDEEP 384:HLf3WDhcR64uNuKXtvZKqJbQ3mEj0NfaEIPhjKecNUWLqW:r0hCeNHKqJbQzj6fyfcX

Signature

  • Status: The file C:\windows\system32\convert.exe is not digitally signed. You cannot run this script on the current system. For more information about running scripts and setting execution policy, see about_Execution_Policies at http://go.microsoft.com/fwlink/?LinkID=135170
  • Serial: ``
  • Thumbprint: ``
  • Issuer:
  • Subject:

File Metadata

  • Original Filename: CONVERT.EXE
  • Product Name: Microsoft Windows Operating System
  • Company Name: Microsoft Corporation
  • File Version: 6.3.9600.18724 (winblue_ltsb.170606-0600)
  • Product Version: 6.3.9600.18724
  • Language: English (United States)
  • Legal Copyright: Microsoft Corporation. All rights reserved.

Possible Misuse

The following table contains possible examples of convert.exe being misused. While convert.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
sigma apt_silence_eda.yml - '[Convert]::ToString($SYNOptions, 16)' DRL 1.0
sigma powershell_suspicious_invocation_specific.yml - '[Convert]::FromBase64String' DRL 1.0
sigma posh_pm_suspicious_invocation_specific.yml - '[Convert]::FromBase64String' DRL 1.0
sigma posh_ps_powerview_malicious_commandlets.yml - Convert-NameToSid DRL 1.0
sigma posh_ps_powerview_malicious_commandlets.yml - Convert-ADName DRL 1.0
sigma posh_ps_suspicious_invocation_specific.yml - '[Convert]::FromBase64String' DRL 1.0
sigma proc_creation_win_mimikatz_command_line.yml - 'function Convert-GuidToCompressedGuid' DRL 1.0
sigma proc_creation_win_ransom_blackbyte.yml - 'powershell -command "$x =[System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String(' DRL 1.0
sigma proc_creation_win_susp_sharpview.yml - Convert-ADName DRL 1.0
sigma proc_creation_win_susp_sharpview.yml - Convert-SidToName DRL 1.0
atomic-red-team T1027.md $EncodedCommand =[Convert]::ToBase64String($Bytes) MIT License. © 2018 Red Canary
atomic-red-team T1027.md powershell.exe -Command “IEX ([Text.Encoding]::UNICODE.GetString([Convert]::FromBase64String((gp #{registry_key_storage} #{registry_entry_storage}).#{registry_entry_storage})))” MIT License. © 2018 Red Canary
atomic-red-team T1053.005.md schtasks.exe /Create /F /TN “ATOMIC-T1053.005” /TR “cmd /c start /min "" powershell.exe -Command IEX([System.Text.Encoding]::ASCII.GetString([System.Convert]::FromBase64String((Get-ItemProperty -Path HKCU:\SOFTWARE\ATOMIC-T1053.005).test)))” /sc daily /st #{time} MIT License. © 2018 Red Canary
atomic-red-team T1059.001.md iex ([Text.Encoding]::ASCII.GetString([Convert]::FromBase64String((gp ‘HKCU:\Software\Classes\AtomicRedTeam’).ART))) MIT License. © 2018 Red Canary
atomic-red-team T1098.001.md $keyValue = [System.Convert]::ToBase64String($cert.GetRawCertData()) MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md $Content = [System.Convert]::FromBase64String($key) MIT License. © 2018 Red Canary
signature-base apt_aus_parl_compromise.yar $x1 = “Request.Item[System.Text.Encoding.UTF8.GetString(Convert.FromBase64String("[password]"))];” ascii CC BY-NC 4.0
signature-base apt_aus_parl_compromise.yar $x2 = “eval(arguments,System.Text.Encoding.UTF8.GetString(Convert.FromBase64String("” ascii CC BY-NC 4.0
signature-base apt_aus_parl_compromise.yar $s1 = “<%@ Page Language="Jscript" validateRequest="false"%><%try{eval(System.Text.Encoding.UTF8.GetString(Convert.FromBase64String” ascii CC BY-NC 4.0
signature-base apt_aus_parl_compromise.yar $s2 = “{return System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(“ ascii CC BY-NC 4.0
signature-base apt_aus_parl_compromise.yar $a1 = “function DEC(d){return System.Text.Encoding.UTF8.GetString(Convert.FromBase64String(d));}” fullword ascii CC BY-NC 4.0
signature-base apt_aus_parl_compromise.yar $a2 = “function ENC(d){return Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(d));}” fullword ascii CC BY-NC 4.0
signature-base apt_eqgrp.yar $x2 = “convert an XML file generated by the BLATSTING sniffer module into a pcap capture file.” fullword ascii CC BY-NC 4.0
signature-base apt_eqgrp_apr17.yar $s6 = “* Failed to convert destination address into sockaddr_storage values” fullword wide CC BY-NC 4.0
signature-base apt_hafnium.yar $s2 = “System.Text.Encoding.Default.GetString(Convert.FromBase64String(StrTr(Request.Headers.Get” CC BY-NC 4.0
signature-base apt_muddywater.yar /* iex([System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String( */ CC BY-NC 4.0
signature-base apt_oilrig.yar $s2 = “$fdn=[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String(‘” fullword ascii CC BY-NC 4.0
signature-base apt_oilrig_oct17.yar $s3 = “$DATA = [System.Convert]::FromBase64String([IO.File]::ReadAllText(‘%Base%’));[io.file]::WriteAllBytes(“ ascii CC BY-NC 4.0
signature-base apt_op_wocao.yar $encfile = “New-Object IO.Compression.DeflateStream([IO.MemoryStream][Convert]::FromBase64String($encfile)” CC BY-NC 4.0
signature-base apt_project_sauron_extras.yar $s2 = “Convert mode: Read log from file and convert to text” CC BY-NC 4.0
signature-base apt_tophat.yar $s1 = “= New-Object IO.MemoryStream(,[Convert]::FromBase64String("” ascii CC BY-NC 4.0
signature-base apt_turla_neuron.yar $ = “Convert.FromBase64String(temp[1])” fullword ascii CC BY-NC 4.0
signature-base apt_unc2447_sombrat.yar $x1 = “powershell.exe -c "[System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String([IO.File]::” ascii CC BY-NC 4.0
signature-base expl_proxyshell.yar $s01 = “.LoadXml(System.Text.Encoding.UTF8.GetString(System.Convert.FromBase64String(Request[” ascii wide CC BY-NC 4.0
signature-base gen_cn_webshells.yar $s2 = “$sCmd = "convert ".$sFile." -flip -quality 80 ".$sFileOut;” fullword ascii CC BY-NC 4.0
signature-base gen_empire.yar $s1 = “$Base64Decoded = [Convert]::FromBase64String($Cpassword)” fullword ascii CC BY-NC 4.0
signature-base gen_empire.yar $s2 = “$NTLM_challenge_base64 = [System.Convert]::ToBase64String($HTTP_NTLM_bytes)” fullword ascii CC BY-NC 4.0
signature-base gen_invoke_thehash.yar $s3 = “$NTLM_hash_bytes = $NTLM_hash_bytes.Split("-") | ForEach-Object{[Char][System.Convert]::ToInt16($_,16)}” fullword ascii CC BY-NC 4.0
signature-base gen_metasploit_payloads.yar $s10 = “= [System.Convert]::FromBase64String("/” ascii CC BY-NC 4.0
signature-base gen_metasploit_payloads.yar $s5 = “= [System.Convert]::FromBase64String(“ ascii CC BY-NC 4.0
signature-base gen_powershell_empire.yar $s3 = “[Byte[]]$DllBytes = [Byte[]][Convert]::FromBase64String($DllBytes32)” fullword ascii CC BY-NC 4.0
signature-base gen_powershell_susp.yar $p3 = “[System.Convert]::FromBase64String(“ ascii CC BY-NC 4.0
signature-base gen_powershell_toolkit.yar $s3 = “if ($Env:PROCESSOR_ARCHITECTURE -eq $([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String(‘QQBNAEQANgA0AA==’)))) {“ fullword ascii CC BY-NC 4.0
signature-base gen_powershell_toolkit.yar $s5 = “-eq $([Text.Encoding]::Unicode.GetString([Convert]::FromBase64String(‘MAAxADQAQwA=’))))” ascii CC BY-NC 4.0
signature-base gen_powershell_toolkit.yar $s1 = “if($MyConString -like $([Text.Encoding]::Unicode.GetString([Convert]::” ascii CC BY-NC 4.0
signature-base thor-hacktools.yar $s2 = “WSocketResolveHost: Cannot convert host address ‘%s’” CC BY-NC 4.0
signature-base thor-hacktools.yar $s2 = “System.Convert.FromBase64String(“ ascii CC BY-NC 4.0
signature-base webshell_xsl_transform.yar $x2 = “.LoadXml(System.Text.Encoding.UTF8.GetString(System.Convert.FromBase64String(“ CC BY-NC 4.0
stockpile 0582dc26-e0cf-4645-88cf-f37a02279976.yml (Powershell) [Convert]::FromBase64String($(Get-Content b64.txt)) \| set-content archive.extension -encoding byte ---- Apache-2.0
stockpile 0582dc26-e0cf-4645-88cf-f37a02279976.yml $EncodedToken = [System.Convert]::ToBase64String([char[]]$Token); Apache-2.0
stockpile 0582dc26-e0cf-4645-88cf-f37a02279976.yml $FileContent = [Convert]::ToBase64String([IO.File]::ReadAllBytes($File)); Apache-2.0
stockpile 4a1120a5-971c-457f-bb07-60641b4723fd.yml $basetoken = [System.Convert]::ToBase64String([char[]]$token); Apache-2.0
stockpile 4a1120a5-971c-457f-bb07-60641b4723fd.yml $Base64EncodedFileBytes = [System.Convert]::ToBase64String($FileBytes); Apache-2.0
stockpile a201bec2-a193-4b58-bf0e-57fa621da474.yml $basetoken = [System.Convert]::ToBase64String([char[]]$token); Apache-2.0
stockpile a201bec2-a193-4b58-bf0e-57fa621da474.yml $Base64EncodedFileBytes = [System.Convert]::ToBase64String($FileBytes); Apache-2.0

Additional Info*

*The information below is copied from MicrosoftDocs, which is maintained by Microsoft. Available under CC BY 4.0 license.

convert

Converts a disk from one disk type to another.

Syntax

convert basic
convert dynamic
convert gpt
convert mbr

Parameters

Parameter Description
convert basic command Converts an empty dynamic disk into a basic disk.
convert dynamic command Converts a basic disk into a dynamic disk.
convert gpt command Converts an empty basic disk with the master boot record (MBR) partition style into a basic disk with the GUID partition table (GPT) partition style.
convert mbr command Converts an empty basic disk with the GUID Partition Table (GPT) partition style into a basic disk with the master boot record (MBR) partition style.

Additional References

MIT License. Copyright (c) 2020-2021 Strontic.