Static task
static1
Behavioral task
behavioral1
Sample
CustomInstallExec.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
CustomInstallExec.exe
Resource
win10v2004-20230703-en
General
-
Target
CustomInstallExec.exe
-
Size
135KB
-
MD5
315c09a92d1ea118f302011f173dceac
-
SHA1
0f92da86a0b3aadc70ec8714a04e971d3be2a7d0
-
SHA256
5db77703f0d162ebafabd2ac97b019f1109261c4454114c1480082c64749eb95
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SHA512
5e4450be89fb8715d761679f31fb8e65e978b5fecc6ac6cbe3ae9caf288174a66d2e31c496c1aaacc7136ebf7d7ce2ff5a59f8ab347e29cad9c1eb697e1a1735
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SSDEEP
1536:iXR8jwu95bpyPEcb0hQKpysdEdBzBtfwLasp/DbsCcfVmnlc7DR/S33N:vwuNiE1Q8ysIBzfUlHsCcN0ODR/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CustomInstallExec.exe
Files
-
CustomInstallExec.exe.exe windows x64
932fd25545ae94a1ce9c7e00fd2abdfc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcp_win
?_Xout_of_range@std@@YAXPEBD@Z
?_Xlength_error@std@@YAXPEBD@Z
api-ms-win-crt-runtime-l1-1-0
_register_thread_local_exe_atexit_callback
_initterm_e
_initterm
_c_exit
api-ms-win-crt-private-l1-1-0
_o__callnewh
_o__cexit
_o__configthreadlocale
_o__configure_wide_argv
_o__crt_atexit
_o__errno
_o__exit
_o__get_wide_winmain_command_line
_o__initialize_onexit_table
_o__initialize_wide_environment
_o__invalid_parameter_noinfo
_o__invalid_parameter_noinfo_noreturn
_o__purecall
_o__register_onexit_function
_o__seh_filter_exe
_o__set_app_type
_o__set_fmode
_o__set_new_mode
_o__wcsicmp
_o__wtoi
_o__wtoi64
_o_exit
_o_free
_o_malloc
_o_terminate
__C_specific_handler
__CxxFrameHandler3
_CxxThrowException
_o___stdio_common_vsnwprintf_s
_o___stdio_common_vsnprintf_s
memmove
_o___std_exception_destroy
_o___std_exception_copy
_o___p__commode
__CxxFrameHandler4
memcmp
memcpy
api-ms-win-crt-string-l1-1-0
memset
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleExW
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
LoadStringW
GetModuleFileNameA
api-ms-win-core-synch-l1-1-0
ReleaseSRWLockExclusive
WaitForSingleObject
OpenSemaphoreW
WaitForSingleObjectEx
AcquireSRWLockExclusive
CreateMutexExW
CreateSemaphoreExW
ReleaseSemaphore
ReleaseMutex
api-ms-win-core-heap-l1-1-0
HeapAlloc
GetProcessHeap
HeapFree
api-ms-win-core-errorhandling-l1-1-0
SetErrorMode
SetLastError
GetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
RaiseException
api-ms-win-core-processthreads-l1-1-0
GetCurrentThreadId
OpenProcessToken
GetCurrentProcessId
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
TerminateProcess
GetCurrentProcess
api-ms-win-core-localization-l1-2-0
FormatMessageW
api-ms-win-core-debug-l1-1-0
DebugBreak
OutputDebugStringW
IsDebuggerPresent
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-string-l1-1-0
CompareStringOrdinal
api-ms-win-core-sysinfo-l1-1-0
GetSystemDirectoryW
GetSystemTimeAsFileTime
api-ms-win-core-winrt-string-l1-1-0
WindowsGetStringRawBuffer
WindowsDeleteString
WindowsCreateStringReference
api-ms-win-eventing-provider-l1-1-0
EventWriteTransfer
EventUnregister
EventSetInformation
EventActivityIdControl
EventRegister
api-ms-win-core-synch-l1-2-0
InitOnceComplete
InitOnceBeginInitialize
api-ms-win-core-winrt-l1-1-0
RoGetActivationFactory
api-ms-win-core-heap-l2-1-0
LocalFree
api-ms-win-core-processenvironment-l1-1-0
GetCommandLineW
api-ms-win-core-com-l1-1-0
CoCreateInstance
CoUninitialize
CoInitializeEx
api-ms-win-security-base-l1-1-0
IsValidSid
GetSidSubAuthority
GetTokenInformation
GetSidSubAuthorityCount
api-ms-win-core-rtlsupport-l1-1-0
RtlLookupFunctionEntry
RtlVirtualUnwind
RtlCaptureContext
api-ms-win-core-processthreads-l1-1-1
IsProcessorFeaturePresent
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-interlocked-l1-1-0
InitializeSListHead
api-ms-win-core-windowserrorreporting-l1-1-0
WerSetFlags
WerGetFlags
api-ms-win-shcore-obsolete-l1-1-0
CommandLineToArgvW
ntdll
NtQueryInformationProcess
NtQueryMutant
api-ms-win-shcore-taskpool-l1-1-0
SHTaskPoolQueueTask
api-ms-win-rtcore-ntuser-window-l1-1-0
EnableWindow
AllowSetForegroundWindow
SetWindowTextW
DefWindowProcW
EnumWindows
ShowWindow
SetForegroundWindow
RegisterClassExW
CreateWindowExW
GetWindowThreadProcessId
comctl32
InitCommonControlsEx
api-ms-win-core-delayload-l1-1-1
ResolveDelayLoadedAPI
api-ms-win-core-delayload-l1-1-0
DelayLoadFailureHook
Sections
.text Size: 53KB - Virtual size: 53KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 21KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 296B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 55KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 220B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ