AppxSip.pdb
Static task
static1
Behavioral task
behavioral1
Sample
AppxSip.dll
Resource
win10v2004-20240426-en
General
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Target
AppxSip.dll
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Size
226KB
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MD5
138eac47555b4e370c746b41f9f50599
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SHA1
c68d5882b571732b6287ab7d0dd3dcab087639d8
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SHA256
9bfb303600cdf6dc3c58914fae44e2edd0ca07150f6d158320112510b114fe22
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SHA512
14f79395ab53432484c7926a9a0ca276c940960dcaac98b68e9f6fb6d2bb7f2062fc024b0fb36ccb4dd5261b1c5d681a355d48faa19afbe24ff40ccfb804226e
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SSDEEP
6144:A/k4zBykd/5yyPfqIBZZw9U85DaUYEA6:A7HryyPi+LUDMu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource AppxSip.dll
Files
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AppxSip.dll.dll regsvr32 windows:10 windows x86 arch:x86
8f8b6acf6e9ae4f267a6b7d0c934a1f0
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL
PDB Paths
Imports
api-ms-win-crt-runtime-l1-1-0
_initterm_e
_initterm
api-ms-win-crt-string-l1-1-0
memset
wcsncmp
api-ms-win-crt-private-l1-1-0
_o__configure_narrow_argv
_o__crt_atexit
_o__errno
_o__execute_onexit_table
_o__initialize_narrow_environment
_o__initialize_onexit_table
_o__invalid_parameter_noinfo
_o__register_onexit_function
_o__seh_filter_dll
memmove
_o__strnicmp
_o__wcsicmp
_o_free
_o_malloc
_o_qsort
_o_wcscpy_s
__CxxFrameHandler3
_except_handler4_common
_CxxThrowException
wcschr
wcsstr
_o__cexit
_o__callnewh
_o___stdio_common_vswprintf
_o___stdio_common_vsnwprintf_s
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
wcsrchr
memcmp
memcpy
api-ms-win-core-errorhandling-l1-1-0
RaiseException
SetLastError
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
api-ms-win-core-synch-l1-1-0
ReleaseSRWLockShared
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionEx
AcquireSRWLockShared
api-ms-win-core-util-l1-1-0
DecodePointer
api-ms-win-eventing-provider-l1-1-0
EventRegister
EventWriteTransfer
EventUnregister
EventSetInformation
api-ms-win-core-debug-l1-1-0
DebugBreak
IsDebuggerPresent
OutputDebugStringW
api-ms-win-core-processthreads-l1-1-0
GetCurrentProcess
OpenThreadToken
TerminateProcess
TlsAlloc
GetCurrentThreadId
TlsGetValue
TlsSetValue
GetCurrentThread
GetCurrentProcessId
api-ms-win-core-localization-l1-2-0
FormatMessageW
api-ms-win-core-synch-l1-2-0
InitOnceComplete
InitOnceBeginInitialize
api-ms-win-core-processthreads-l1-1-1
IsProcessorFeaturePresent
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetVersionExW
GetSystemTimeAsFileTime
GetLocalTime
api-ms-win-core-interlocked-l1-1-0
InitializeSListHead
api-ms-win-core-libraryloader-l1-1-0
GetModuleHandleExW
GetModuleFileNameA
LoadResource
FreeLibrary
GetProcAddress
LoadLibraryExW
LoadLibraryExA
SizeofResource
LockResource
FindStringOrdinal
GetModuleHandleW
crypt32
CertFreeCertificateContext
CertGetSubjectCertificateFromStore
CryptQueryObject
CryptMsgClose
CryptEncodeObject
CryptSIPAddProvider
CryptSIPRemoveProvider
CryptFindOIDInfo
CertCloseStore
CryptMsgGetParam
CertNameToStrW
ntdll
RtlLeaveCriticalSection
RtlSetLastWin32Error
RtlNumberGenericTableElementsAvl
RtlEnterCriticalSection
NtQuerySystemInformation
RtlEnumerateGenericTableWithoutSplayingAvl
RtlDeleteElementGenericTableAvl
RtlNtStatusToDosError
RtlReportException
RtlInitUnicodeString
RtlLookupElementGenericTableAvl
RtlCompareUnicodeString
RtlDeleteCriticalSection
RtlInsertElementGenericTableAvl
RtlInitializeGenericTableAvl
RtlInitializeCriticalSection
api-ms-win-core-heap-l1-1-0
GetProcessHeap
HeapFree
HeapAlloc
api-ms-win-core-file-l1-2-0
GetTempPathW
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-com-l1-1-0
CoUninitialize
CoCreateInstance
IIDFromString
CoInitializeEx
CreateStreamOnHGlobal
CoTaskMemFree
CoTaskMemAlloc
api-ms-win-core-file-l1-1-0
GetFullPathNameW
GetFileAttributesW
DeleteFileW
CreateFileW
DeleteFileA
api-ms-win-core-string-l1-1-0
CompareStringOrdinal
WideCharToMultiByte
CompareStringEx
CompareStringW
api-ms-win-core-url-l1-1-0
PathIsURLW
api-ms-win-core-registry-l1-1-0
RegGetValueW
api-ms-win-core-processenvironment-l1-1-0
GetEnvironmentVariableW
api-ms-win-core-heap-obsolete-l1-1-0
LocalFree
api-ms-win-core-delayload-l1-1-0
DelayLoadFailureHook
opcservices
ord15
ord12
ord8
ord16
api-ms-win-eventing-tdh-l1-1-0
TdhEnumerateProviderFieldInformation
TdhGetEventInformation
TdhGetEventMapInformation
xmllite
CreateXmlReader
api-ms-win-core-kernel32-legacy-l1-1-0
FindResourceW
DosDateTimeToFileTime
FileTimeToDosDateTime
CopyFileW
api-ms-win-core-file-l2-1-0
ReplaceFileW
MoveFileExW
api-ms-win-core-localization-obsolete-l1-2-0
CompareStringA
api-ms-win-core-timezone-l1-1-0
SystemTimeToFileTime
api-ms-win-security-base-l1-1-0
ImpersonateLoggedOnUser
RevertToSelf
Exports
Exports
AppxBundleSipCreateIndirectData
AppxBundleSipGetSignedDataMsg
AppxBundleSipIsFileSupportedName
AppxBundleSipPutSignedDataMsg
AppxBundleSipRemoveSignedDataMsg
AppxBundleSipVerifyIndirectData
AppxSipCreateIndirectData
AppxSipGetSignedDataMsg
AppxSipIsFileSupportedName
AppxSipPutSignedDataMsg
AppxSipRemoveSignedDataMsg
AppxSipVerifyIndirectData
DllCanUnloadNow
DllRegisterServer
DllUnregisterServer
EappxBundleSipCreateIndirectData
EappxBundleSipGetSignedDataMsg
EappxBundleSipIsFileSupportedName
EappxBundleSipPutSignedDataMsg
EappxBundleSipRemoveSignedDataMsg
EappxBundleSipVerifyIndirectData
EappxSipCreateIndirectData
EappxSipGetSignedDataMsg
EappxSipIsFileSupportedName
EappxSipPutSignedDataMsg
EappxSipRemoveSignedDataMsg
EappxSipVerifyIndirectData
P7xSipCreateIndirectData
P7xSipGetSignedDataMsg
P7xSipIsFileSupportedName
P7xSipPutSignedDataMsg
P7xSipRemoveSignedDataMsg
P7xSipVerifyIndirectData
Sections
.text Size: 202KB - Virtual size: 202KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 104B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ