ApiSetHost[.]AppExecutionAlias[.]dll

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General

Target

ApiSetHost.AppExecutionAlias.dll
Size

82KB
MD5

6ecd9dd6309d09a75855a3c7c8245d4c
SHA1

cf59e67becb0bb440c59ff17451971d404b30599
SHA256

52ba5ee87fed5513eb3d0a20b3b4d6255d226e519c7683f1ba2a80143ad3c6dc
SHA512

859f7b012f39a914e64f955b0b0590ac26a431ec5d98ac2a802f626393f8107c48ef0718a88dfe3be1ee625b17574423548ed56ec2c120f96aaea6141833d579
SSDEEP

1536:tkFQifLSIhCKlISx3Wy3JrtKp2zLyNGMzl0oPacX0VL7d:MPfLSIhhlzWxpOC0Wa60B

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
ApiSetHost.AppExecutionAlias.dll

Files

ApiSetHost.AppExecutionAlias.dll
.dll windows:10 windows x86 arch:x86

306da34b3f1df7c84ea067caa1c4bdea

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

ApiSetHost.AppExecutionAlias.pdb

Imports

api-ms-win-crt-runtime-l1-1-0

_initterm
_initterm_e

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__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
_o__seh_filter_dll
memmove
_o_free
_o_malloc
_except_handler4_common
_o__cexit
_o__callnewh
_o___stdio_common_vswprintf
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
__std_terminate
__CxxFrameHandler3
memcmp
memcpy
_CxxThrowException

api-ms-win-crt-string-l1-1-0

memset

api-ms-win-core-synch-l1-2-0

InitOnceBeginInitialize
InitOnceComplete
InitOnceExecuteOnce

api-ms-win-core-winrt-string-l1-1-0

WindowsDeleteString
WindowsCreateStringReference
WindowsCreateString
WindowsGetStringRawBuffer
WindowsIsStringEmpty
WindowsStringHasEmbeddedNull

api-ms-win-core-util-l1-1-0

DecodePointer
EncodePointer

api-ms-win-core-winrt-error-l1-1-0

RoOriginateError
RoOriginateErrorW

api-ms-win-core-synch-l1-1-0

CreateMutexExW
AcquireSRWLockShared
CreateSemaphoreExW
ReleaseSRWLockShared
LeaveCriticalSection
EnterCriticalSection
ReleaseMutex
WaitForSingleObject
CreateEventW
ReleaseSemaphore
OpenSemaphoreW
DeleteCriticalSection
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
WaitForSingleObjectEx
InitializeCriticalSectionEx

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleW
GetModuleHandleExW
GetModuleFileNameA
DisableThreadLibraryCalls
GetProcAddress

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-0

ProcessIdToSessionId
OpenProcessToken
GetCurrentProcessId
TerminateProcess
GetCurrentProcess
GetCurrentThreadId

api-ms-win-core-sysinfo-l1-1-0

GetTickCount64
GetSystemTimeAsFileTime

api-ms-win-core-interlocked-l1-1-0

InitializeSListHead

api-ms-win-core-debug-l1-1-0

IsDebuggerPresent
OutputDebugStringW
DebugBreak

api-ms-win-core-errorhandling-l1-1-0

SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
RaiseException
GetLastError

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent

api-ms-win-core-handle-l1-1-0

CloseHandle

ntdll

NtClose
RtlDestroyEnvironment
RtlCopySid
RtlFreeHeap
RtlAcquireSRWLockShared
RtlSleepConditionVariableSRW
RtlAcquireSRWLockExclusive
RtlReleaseSRWLockExclusive
RtlWakeAllConditionVariable
RtlLengthSid
NtQueryInformationToken
RtlExpandEnvironmentStrings
RtlNtStatusToDosError
RtlAllocateHeap
RtlQueryTokenHostIdAsUlong64
NtOpenProcessToken

api-ms-win-core-heap-l1-1-0

HeapAlloc
HeapFree
GetProcessHeap

api-ms-win-core-threadpool-l1-2-0

CreateThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
SetThreadpoolTimer

api-ms-win-core-localization-l1-2-0

FormatMessageW

api-ms-win-security-base-l1-1-0

CreateWellKnownSid
GetTokenInformation

api-ms-win-core-file-l1-1-0

CreateFileW

profapi

ord101

api-ms-win-core-com-l1-1-0

CoDecrementMTAUsage
CoTaskMemAlloc
CoIncrementMTAUsage
CoCreateInstance
CoTaskMemFree

api-ms-win-core-processenvironment-l1-1-0

ExpandEnvironmentStringsW

api-ms-win-security-sddl-l1-1-0

ConvertSidToStringSidW

api-ms-win-core-heap-l2-1-0

LocalFree
LocalAlloc

api-ms-win-core-io-l1-1-0

DeviceIoControl

msvcp_win

??0?$basic_streambuf@GU?$char_traits@G@std@@@std@@IAE@XZ
??0?$basic_ios@GU?$char_traits@G@std@@@std@@IAE@XZ
??0?$basic_istream@GU?$char_traits@G@std@@@std@@QAE@PAV?$basic_streambuf@GU?$char_traits@G@std@@@1@_N@Z
??0?$basic_ostream@GU?$char_traits@G@std@@@std@@QAE@PAV?$basic_streambuf@GU?$char_traits@G@std@@@1@_N@Z
??5?$basic_istream@GU?$char_traits@G@std@@@std@@QAEAAV01@AAI@Z
??6?$basic_ostream@GU?$char_traits@G@std@@@std@@QAEAAV01@I@Z
?snextc@?$basic_streambuf@GU?$char_traits@G@std@@@std@@QAEGXZ
?flush@?$basic_ostream@GU?$char_traits@G@std@@@std@@QAEAAV12@XZ
?_Unlock@?$basic_streambuf@GU?$char_traits@G@std@@@std@@UAEXXZ
?uncaught_exception@std@@YA_NXZ
?_Ipfx@?$basic_istream@GU?$char_traits@G@std@@@std@@QAE_N_N@Z
?xsgetn@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAE_JPAG_J@Z
?sync@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAEHXZ
?_Osfx@?$basic_ostream@GU?$char_traits@G@std@@@std@@QAEXXZ
?showmanyc@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAE_JXZ
?sputn@?$basic_streambuf@GU?$char_traits@G@std@@@std@@QAE_JPBG_J@Z
?_Pninc@?$basic_streambuf@GU?$char_traits@G@std@@@std@@IAEPAGXZ
?sputc@?$basic_streambuf@GU?$char_traits@G@std@@@std@@QAEGG@Z
?xsputn@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAE_JPBG_J@Z
?setstate@?$basic_ios@GU?$char_traits@G@std@@@std@@QAEXH_N@Z
?uflow@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAEGXZ
?imbue@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAEXABVlocale@2@@Z
??1?$basic_streambuf@GU?$char_traits@G@std@@@std@@UAE@XZ
?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPBD@Z
?gbump@?$basic_streambuf@GU?$char_traits@G@std@@@std@@IAEXH@Z
??1?$basic_istream@GU?$char_traits@G@std@@@std@@UAE@XZ
??1?$basic_ostream@GU?$char_traits@G@std@@@std@@UAE@XZ
?_Xlength_error@std@@YAXPBD@Z
?sbumpc@?$basic_streambuf@GU?$char_traits@G@std@@@std@@QAEGXZ
?setbuf@?$basic_streambuf@GU?$char_traits@G@std@@@std@@MAEPAV12@PAG_J@Z
??1?$basic_ios@GU?$char_traits@G@std@@@std@@UAE@XZ
?sgetc@?$basic_streambuf@GU?$char_traits@G@std@@@std@@QAEGXZ
?_Lock@?$basic_streambuf@GU?$char_traits@G@std@@@std@@UAEXXZ

api-ms-win-core-winrt-l1-1-0

RoGetActivationFactory

rpcrt4

RpcBindingFromStringBindingW
RpcAsyncInitializeHandle
RpcStringBindingComposeW
I_RpcExceptionFilter
RpcAsyncCompleteCall
RpcBindingSetAuthInfoExW
RpcStringFreeW
NdrAsyncClientCall
RpcAsyncCancelCall
RpcBindingFree

api-ms-win-core-apiquery-l1-1-0

ApiSetQueryApiSetPresence

api-ms-win-core-psm-key-l1-1-0

PsmGetKeyFromToken

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

Exports

Exports

CheckAppExecutionAliasApplicationType
CloseAppExecutionAliasEx
CompleteAppExecutionAliasProcessCreationEx
CreateAppExecutionAliasEx
CreateAppExecutionAliasEx2
DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
FreeAppExecutionAliasInfoEx
GetAppExecutionAliasApplicationType
GetAppExecutionAliasApplicationUserModelIdEx
GetAppExecutionAliasExecutableEx
GetAppExecutionAliasPackageFamilyNameEx
GetAppExecutionAliasPackageFullNameEx
GetAppExecutionAliasPath
LoadAppExecutionAliasInfoEx
OpenAppExecutionAliasForUserEx
PerformAppxLicenseRundownEx
PersistAppExecutionAliasToFileEx
PersistAppExecutionAliasToFileHandleEx

Sections

.text
Size: 66KB - Virtual size: 65KB

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: 9KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 108B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

306da34b3f1df7c84ea067caa1c4bdea

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-private-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-winrt-string-l1-1-0

api-ms-win-core-util-l1-1-0

api-ms-win-core-winrt-error-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-interlocked-l1-1-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-handle-l1-1-0

ntdll

api-ms-win-core-heap-l1-1-0

api-ms-win-core-threadpool-l1-2-0

api-ms-win-core-localization-l1-2-0

api-ms-win-security-base-l1-1-0

api-ms-win-core-file-l1-1-0

profapi

api-ms-win-core-com-l1-1-0

api-ms-win-core-processenvironment-l1-1-0

api-ms-win-security-sddl-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-io-l1-1-0

msvcp_win

api-ms-win-core-winrt-l1-1-0

rpcrt4

api-ms-win-core-apiquery-l1-1-0

api-ms-win-core-psm-key-l1-1-0

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

Exports

Exports

Sections

.text Size: 66KB - Virtual size: 65KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 9KB - Virtual size: 8KB

.didat Size: 512B - Virtual size: 108B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 4KB - Virtual size: 3KB

.text
Size: 66KB - Virtual size: 65KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 9KB - Virtual size: 8KB

.didat
Size: 512B - Virtual size: 108B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 4KB - Virtual size: 3KB