Static task
static1
Behavioral task
behavioral1
Sample
CustomInstallExec.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
CustomInstallExec.exe
Resource
win10v2004-20231215-en
General
-
Target
CustomInstallExec.exe
-
Size
156KB
-
MD5
f9a289c55cd7bd82bdafef027e4da577
-
SHA1
0fc18be92babc459cc2e37252f6c25fbf3d2b1e4
-
SHA256
ec57141d77028019ebe2998683709667e2543dcbfddaeb7eb89e7ad5816e77b5
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SHA512
fa5390662d140e75009f5fa46031953dc90ef83aaa5cc48ce2173e3b8b746116456c7be65da687f3eae13390ab684d8d61db249ce838b03f7a721b9942bb8c75
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SSDEEP
1536:UOxU4YjVqhzIRZx3F1fYE8tGwfmhKzOBGmowDiybS7S8maVmnlc7DR/S33N:NxhtyLVzEzOBdowDiyS0e0ODR/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource CustomInstallExec.exe
Files
-
CustomInstallExec.exe.exe windows:10 windows x64 arch:x64
69cb6aaa8e7be4ed6eb03f3cbc946c0a
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
memmove
_o__wcsicmp
_o__wtoi
_o__wtoi64
_o_exit
_o_free
_o_malloc
_o_terminate
__C_specific_handler
__current_exception
__current_exception_context
__CxxFrameHandler3
_CxxThrowException
_o___stdio_common_vsnwprintf_s
_o___stdio_common_vsnprintf_s
_o___std_exception_destroy
_o___std_exception_copy
_o___p__commode
__std_terminate
__CxxFrameHandler4
memcmp
memcpy
api-ms-win-crt-string-l1-1-0
memset
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleW
GetProcAddress
GetModuleFileNameW
GetModuleHandleExW
LoadStringW
GetModuleFileNameA
api-ms-win-core-synch-l1-1-0
CreateMutexExW
ReleaseSRWLockExclusive
CreateSemaphoreExW
ReleaseMutex
OpenSemaphoreW
WaitForSingleObjectEx
WaitForSingleObject
ReleaseSemaphore
AcquireSRWLockExclusive
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
GetCurrentProcessId
GetStartupInfoW
GetCurrentProcess
GetCurrentThreadId
GetExitCodeProcess
TerminateProcess
OpenProcessToken
CreateProcessW
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
RoActivateInstance
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-psapi-l1-1-0
K32GetModuleFileNameExW
api-ms-win-core-rtlsupport-l1-1-0
RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind
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: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 24KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 4KB - Virtual size: 296B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 260B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ