AppInstallerPrompt[.]Desktop[.]dll

Sharing

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General

Target

AppInstallerPrompt.Desktop.dll
Size

37KB
MD5

b5de2cfe7ce6f8207b221d300a57fd2d
SHA1

bd64b6b036ae580b110e80cc51a6c523f1eb206e
SHA256

71983e9cbd73f6e0f60cb94bb392def0d91aa494bf42987cf8145b4c4dbe76af
SHA512

74b73e117b65b13dab48792cda21df8562601882b0b3e388b0085163159a22cd2cb1a863f45f1335a245e22a63210e1b9060ed76f941ed3296a92b5f5a7c8360
SSDEEP

768:xusyZWTaBkv2xHldPRu5ZY0CWepDqfxXYUou1cet3nE:xusykTaBfxnPRuKW/f+Uou1c43E

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
AppInstallerPrompt.Desktop.dll

Files

AppInstallerPrompt.Desktop.dll
.dll windows:10 windows x86 arch:x86

f74845d4a67e8b09cf93b739f1cd8cb8

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

AppInstallerPrompt.Desktop.pdb

Imports

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

_initterm_e
_initterm

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

_o___stdio_common_vswprintf
_o__callnewh
_o__cexit
_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
_o_wcscpy_s
_except_handler4_common
_o___stdio_common_vsnprintf_s
_o___std_type_info_destroy_list
_o___std_exception_destroy
_o___std_exception_copy
__CxxFrameHandler3
_CxxThrowException
memcpy

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

memset

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

InitOnceExecuteOnce

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

WindowsStringHasEmbeddedNull
WindowsIsStringEmpty
WindowsGetStringRawBuffer
WindowsCreateStringReference
WindowsCreateString

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

EncodePointer
DecodePointer

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

RoOriginateError
RoOriginateErrorW

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

CreateMutexExW
OpenSemaphoreW
WaitForSingleObjectEx
CreateEventExW
SetEvent
AcquireSRWLockShared
ReleaseSRWLockShared
AcquireSRWLockExclusive
ReleaseMutex
ReleaseSRWLockExclusive
ReleaseSemaphore
CreateSemaphoreExW
WaitForSingleObject

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

GetProcAddress
DisableThreadLibraryCalls
GetModuleHandleExW
GetModuleFileNameA
GetModuleHandleW

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

QueryPerformanceCounter

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

CreateThread
GetCurrentProcessId
GetCurrentThreadId
TerminateProcess
GetCurrentProcess

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

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
GetLastError
RaiseException
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

IsProcessorFeaturePresent

api-ms-win-rtcore-ntuser-window-l1-1-0

DestroyWindow
SetForegroundWindow
ShowWindow
CreateWindowExW
RegisterClassExW
DefWindowProcW
PostQuitMessage
PostMessageW
DispatchMessageW
TranslateMessage
GetMessageW

user32

LoadStringW

ole32

CoCreateInstance
CoAllowSetForegroundWindow
CoCreateFreeThreadedMarshaler
CoWaitForMultipleHandles
CoTaskMemAlloc

shell32

SHGetPropertyStoreForWindow

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

FormatMessageW

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

CloseHandle

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

RoGetActivationFactory
RoActivateInstance

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

HeapAlloc
GetProcessHeap
HeapFree

msvcp_win

?_Xlength_error@std@@YAXPBD@Z
?_Xout_of_range@std@@YAXPBD@Z

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject

Sections

.text
Size: 28KB - Virtual size: 27KB

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: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f74845d4a67e8b09cf93b739f1cd8cb8

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-rtcore-ntuser-window-l1-1-0

user32

ole32

shell32

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

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

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

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

msvcp_win

Exports

Exports

Sections

.text Size: 28KB - Virtual size: 27KB

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

.idata Size: 4KB - Virtual size: 4KB

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

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 28KB - Virtual size: 27KB

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

.idata
Size: 4KB - Virtual size: 4KB

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

.reloc
Size: 2KB - Virtual size: 1KB