splwow64.exe

File Path: C:\windows\splwow64.exe
Description: Print driver host for applications

Hashes

Type	Hash
MD5	`B73202D296AE4FDB8ECC29CC97F8A444`
SHA1	`1A6BDFEE1E209CF6DB18C4FF3D4C6D5E1DAB3185`
SHA256	`A9EF565FA5C9882E28DD960E6507A97A727352C546C8D2F9229DCBD368952F32`
SHA384	`7CC732A34612C6E0AE5976184A0040FD3881FAE510FA381DC3322C7BF4A85BC7E252E0AFF27D176380414102E7CD74DA`
SHA512	`693409842EFD4CBBB77AFFA2791300A1E2A136CD1699A16808B93C5E10967149EDA58D6AAB508D964970AFA378A79259076C48B59714C21A3D4EC42F70E4202C`
SSDEEP	`1536:lG8TLS5LoKSGK/aTg3R5k6zI3Jlkob/g+Vt3A7HPd4n+lbeRZIbSQPTsu:lGh5zHih9Kkob/bHQbPRyZ2pPTs`

Signature

Status: Signature verified.
Serial: 3300000266BD1580EFA75CD6D3000000000266
Thumbprint: A4341B9FD50FB9964283220A36A1EF6F6FAA7840
Issuer: CN=Microsoft Windows Production PCA 2011, O=Microsoft Corporation, L=Redmond, S=Washington, C=US
Subject: CN=Microsoft Windows, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

File Metadata

Original Filename: splwow64.exe
Product Name: Microsoft Windows Operating System
Company Name: Microsoft Corporation
File Version: 10.0.17763.1282 (WinBuild.160101.0800)
Product Version: 10.0.17763.1282
Language: English (United States)
Legal Copyright: Microsoft Corporation. All rights reserved.

File Similarity (ssdeep match)

File	Score
C:\Windows\splwow64.exe	44
C:\WINDOWS\splwow64.exe	40
C:\WINDOWS\splwow64.exe	46
C:\Windows\splwow64.exe	41
C:\Windows\splwow64.exe	43
C:\Windows\splwow64.exe	43
C:\Windows\splwow64.exe	46
C:\Windows\splwow64.exe	50
C:\windows\splwow64.exe	49
C:\Windows\system32\ntprint.exe	40
C:\WINDOWS\system32\ntprint.exe	43
C:\windows\system32\ntprint.exe	43
C:\Windows\system32\ntprint.exe	44
C:\Windows\system32\ntprint.exe	43
C:\WINDOWS\system32\ntprint.exe	40
C:\Windows\system32\ntprint.exe	43
C:\Windows\system32\PrintIsolationHost.exe	55
C:\Windows\system32\PrintIsolationHost.exe	57
C:\Windows\system32\PrintIsolationHost.exe	58
C:\WINDOWS\system32\PrintIsolationHost.exe	57
C:\Windows\system32\PrintIsolationHost.exe	57
C:\WINDOWS\system32\PrintIsolationHost.exe	55
C:\windows\system32\PrintIsolationHost.exe	55
C:\Windows\system32\printui.exe	43
C:\Windows\system32\printui.exe	46
C:\Windows\system32\printui.exe	47
C:\Windows\system32\printui.exe	41
C:\WINDOWS\system32\printui.exe	44
C:\windows\system32\printui.exe	46
C:\WINDOWS\system32\printui.exe	44
C:\Windows\system32\printui.exe	43
C:\windows\SysWOW64\ntprint.exe	44
C:\WINDOWS\SysWOW64\ntprint.exe	41
C:\Windows\SysWOW64\ntprint.exe	43
C:\WINDOWS\SysWOW64\ntprint.exe	46
C:\Windows\SysWOW64\ntprint.exe	41
C:\Windows\SysWOW64\ntprint.exe	41
C:\Windows\SysWOW64\ntprint.exe	44
C:\WINDOWS\SysWOW64\printui.exe	40
C:\Windows\SysWOW64\printui.exe	43
C:\Windows\SysWOW64\printui.exe	44
C:\WINDOWS\SysWOW64\printui.exe	43
C:\windows\SysWOW64\printui.exe	44
C:\Windows\SysWOW64\printui.exe	43
C:\Windows\SysWOW64\printui.exe	43
C:\Windows\SysWOW64\printui.exe	43

Possible Misuse

The following table contains possible examples of splwow64.exe being misused. While splwow64.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source	Source File	Example	License
sigma	proc_creation_win_susp_splwow64.yml	`title: Suspicious Splwow64 Without Params`	DRL 1.0
sigma	proc_creation_win_susp_splwow64.yml	`description: Detects suspicious Splwow64.exe process without any command line parameters`	DRL 1.0
sigma	proc_creation_win_susp_splwow64.yml	`Image\\|endswith: '\splwow64.exe'`	DRL 1.0
sigma	proc_creation_win_susp_splwow64.yml	`CommandLine\\|endswith: 'splwow64.exe'`	DRL 1.0