2320c375aadfdebcb1c40724ff1ba4dc129fc6b5b4a9d24488ac9750473055d6

Analysis

max time kernel
145s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
15/06/2024, 13:36

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General

Target

pcwum/AppxSip.dll
Size

268KB
MD5

577dbb84e03e995d507840258c52913f
SHA1

cb1d426d26a3e966d29a6a28f94ed5273c21d759
SHA256

c8ed0608c107745d56fcdf34cac855602c65dc1a612c173f4057cbd30fbf2058
SHA512

90263941720d4498cfe588ecc7c713f04ce2431722b918859c555041be1823ace5163306c3e273e92fde0d472b3bb494acc37b26982a269116b64ed13aa396cf
SSDEEP

6144:cTXUiOy2C35UKI+EqJNLo/AKjJIcLIT9mAD:cTkFy2aI+FLSHjJIcsR

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 60 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\FuncName = "EappxBundleSipGetSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\FuncName = "EappxSipPutSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\FuncName = "EappxSipVerifyIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\FuncName = "AppxSipCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\FuncName = "AppxBundleSipCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\FuncName = "AppxSipVerifyIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\FuncName = "AppxBundleSipGetSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\FuncName = "EappxSipGetSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\FuncName = "AppxSipIsFileSupportedName"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\FuncName = "AppxBundleSipPutSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\FuncName = "EappxBundleSipVerifyIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\FuncName = "P7xSipGetSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\FuncName = "P7xSipIsFileSupportedName"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\FuncName = "AppxSipRemoveSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\FuncName = "P7xSipVerifyIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\FuncName = "EappxBundleSipRemoveSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\FuncName = "EappxBundleSipCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\FuncName = "EappxBundleSipIsFileSupportedName"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\FuncName = "AppxBundleSipIsFileSupportedName"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\FuncName = "EappxSipCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\FuncName = "AppxBundleSipRemoveSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\FuncName = "EappxSipRemoveSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\FuncName = "AppxSipPutSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\FuncName = "P7xSipCreateIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllCreateIndirectData\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\FuncName = "AppxBundleSipVerifyIndirectData"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{D1D04F0C-9ABA-430D-B0E4-D7E96ACCE66C}\FuncName = "EappxBundleSipPutSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllVerifyIndirectData\{0F5F58B3-AADE-4B9A-A434-95742D92ECEB}\Dll = "AppxSip.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllIsMyFileType2\{CF78C6DE-64A2-4799-B506-89ADFF5D16D6}\FuncName = "EappxSipIsFileSupportedName"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllGetSignedDataMsg\{0AC5DF4B-CE07-4DE2-B76E-23C839A09FD1}\FuncName = "AppxSipGetSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllPutSignedDataMsg\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\FuncName = "P7xSipPutSignedDataMsg"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Cryptography\OID\EncodingType 0\CryptSIPDllRemoveSignedDataMsg\{5598CFF1-68DB-4340-B57F-1CACF88C9A51}\FuncName = "P7xSipRemoveSignedDataMsg"	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\pcwum\AppxSip.dll
1⤵
- Manipulates Digital Signatures
PID:4404

Network

MITRE ATT&CK Enterprise v15

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 v15

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