8c6c791e8db8728f9a610def238c61be054bfa3de487bf6ab037130a61a3ef19

Analysis

user interaction
yes
max time kernel
36s
max time network
34s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/10/2026, 22:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
wintrust.dll
Size 373KB
Sample261029-2mppaatvcw
SHA256 8c6c791e8db8728f9a610def238c61be054bfa3de487bf6ab037130a61a3ef19
MD5 b7a38368a52ff07d875e6465bd7ee26a
SHA1 99d5ea14e5ef16fc997e09f681eaad39bc5c6f61
SHA512 5a3b474f6b8731067f3a149fde53f9216cb8fb81ef5bb0aa4a622c7ceb7c4b8b65fdb91167d2a179b8c4e52a3761a42f5d06ddca2d935704d33db6f0ad7b3275
SSDEEP 6144:pmCBP6xz5/RZdpcIJJlmWnoBdM6DxlWGqrJvuxS2WeTwNLZLV/M9iQZoBNmlK/oW:UkPY/Vpc0JHWDxlRqb5qK/R
TLSH
T1C3844A2EA6F910A4D8B6913885538206D6737874237196CF429CC6BD9F2BFE47A3DF01
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 64 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\CertCheck\{573E31F8-DDBA-11D0-8CCB-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Signature\{573E31F8-AABA-11D0-8CCB-00C04FC295EE}\$Function = "SoftpubLoadSignature"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\FinalPolicy\{573E31F8-AABA-11D0-8CCB-00C04FC295EE}\$Function = "HTTPSFinalProv"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Message\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\$Function = "SoftpubLoadMessage"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\CRYPTOGRAPHY\OID\ENCODINGTYPE 0\CRYPTSIPDLLVERIFYINDIRECTDATA\{C689AAB9-8E78-11D0-8C47-00C04FC295EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2010\FuncName = "WVTAsn1IntentToSealAttributeEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.4.4\FuncName = "WVTAsn1SealingTimestampAttributeEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\#2011\FuncName = "WVTAsn1SealingSignatureAttributeDecode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\FinalPolicy\{FC451C16-AC75-11D1-B4B8-00C04FB66EA0}\$Function = "GenericChainFinalProv"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{C689AAB8-8E78-11D0-8C47-00C04FC295EE}\FuncName = "CryptSIPRemoveSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2130\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Cleanup\{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}\$Function = "SoftpubCleanup"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Certificate\{189A3842-3041-11D1-85E1-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.12.2.1\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2004\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.1.4\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\#2002\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\CertCheck\{C6B2E8D0-E005-11CF-A134-00C04FD7BF43}\$Function = "SoftpubCheckCert"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Certificate\{573E31F8-AABA-11D0-8CCB-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Initialization\{FC451C16-AC75-11D1-B4B8-00C04FB66EA0}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\CertCheck\{64B9D180-8DA2-11CF-8736-00AA00A485EB}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Cleanup\{64B9D180-8DA2-11CF-8736-00AA00A485EB}\$Function = "SoftpubCleanup"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.1.15\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.1.28\FuncName = "WVTAsn1SpcLinkEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.2.4.2\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\CertCheck\{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}\$Function = "SoftpubCheckCert"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Message\{573E31F8-AABA-11D0-8CCB-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{C689AAB8-8E78-11D0-8C47-00C04FC295EE}\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\FinalPolicy\{64B9D180-8DA2-11CF-8736-00AA00A485EB}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\DiagnosticPolicy\{573E31F8-DDBA-11D0-8CCB-00C04FC295EE}\$Function = "SoftpubDumpStructure"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.2.1.26\FuncName = "WVTAsn1SpcMinimalCriteriaInfoDecode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2008\FuncName = "WVTAsn1SpcLinkEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Initialization\{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Certificate\{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{C689AAB8-8E78-11D0-8C47-00C04FC295EE}\Dll = "WINTRUST.DLL"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\CRYPTOGRAPHY\OID\ENCODINGTYPE 0\CRYPTSIPDLLPUTSIGNEDDATAMSG\{C689AAB9-8E78-11D0-8C47-00C04FC295EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2002\FuncName = "WVTAsn1SpcFinancialCriteriaInfoEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Signature\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\$Function = "SoftpubLoadSignature"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2005\FuncName = "WVTAsn1SpcLinkEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.2.1.10\FuncName = "WVTAsn1SpcSpAgencyInfoDecode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\#2221\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Signature\{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}\$Function = "SoftpubLoadSignature"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Message\{189A3842-3041-11D1-85E1-00C04FC295EE}\$Function = "SoftpubLoadMessage"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{DE351A42-8E59-11D0-8C47-00C04FC295EE}\FuncName = "CryptSIPVerifyIndirectData"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\CRYPTOGRAPHY\OID\ENCODINGTYPE 0\CRYPTSIPDLLGETCAPS\{C689AAB9-8E78-11D0-8C47-00C04FC295EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{DE351A43-8E59-11D0-8C47-00C04FC295EE}\FuncName = "CryptSIPVerifyIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.1.4\FuncName = "WVTAsn1SpcIndirectDataContentEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2003\FuncName = "WVTAsn1SpcIndirectDataContentEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\#2010\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Signature\{00AAC56B-CD44-11D0-8CC2-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Message\{C6B2E8D0-E005-11CF-A134-00C04FD7BF43}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Message\{573E31F8-DDBA-11D0-8CCB-00C04FC295EE}\$DLL = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{C689AAB8-8E78-11D0-8C47-00C04FC295EE}\FuncName = "CryptSIPCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{DE351A43-8E59-11D0-8C47-00C04FC295EE}\FuncName = "CryptSIPPutSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\#2130\FuncName = "WVTAsn1SpcSigInfoEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\Providers\Trust\Certificate\{C6B2E8D0-E005-11CF-A134-00C04FD7BF43}\$Function = "WintrustCertificateTrust"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.12.2.1\FuncName = "WVTAsn1CatNameValueEncode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.4.4\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\1.3.6.1.4.1.311.12.2.3\FuncName = "WVTAsn1CatMemberInfo2Decode"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\CRYPTOGRAPHY\OID\ENCODINGTYPE 0\CRYPTSIPDLLREMOVESIGNEDDATAMSG\{C689AAB9-8E78-11D0-8C47-00C04FC295EE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{9BA61D3F-E73A-11D0-8CD2-00C04FC295EE}\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{9BA61D3F-E73A-11D0-8CD2-00C04FC295EE}\FuncName = "CryptSIPCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllEncodeObject\1.3.6.1.4.1.311.2.1.12\Dll = "WINTRUST.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 1\CryptDllDecodeObject\#2006\FuncName = "WVTAsn1SpcStatementTypeDecode"	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\wintrust.dll
1⤵
- Manipulates Digital Signatures
PID:2900

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads