Static task
static1
Behavioral task
behavioral1
Sample
4Uz226Cw.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
4Uz226Cw.exe
Resource
win10-20230915-en
General
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Target
4Uz226Cw.exe
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Size
1.1MB
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MD5
650e45a11550dd45d43af3f2220061c1
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SHA1
482d76ed4b45b20007d9d5ba3cedf8617d3be46c
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SHA256
0d7e8d54e84f7293a10616250294632d70eaa64de200dd7dee30fed4658138a1
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SHA512
6cfb8ebcd54784436a5246589cffbfeb742c7e0e9e489da3922bcb44229375743b7809fb414903cc31b24bf98b58c1d9a18215116623656ccc0f243cd7e8c9cd
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SSDEEP
12288:Ztk81c9AvX91QdxGZAQsK3AJNkY8VhT7auVo+i03F95K0XSeLeGom0:rX1c9AvX91QzQX26Y8jSWF95ZSRT
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4Uz226Cw.exe
Files
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4Uz226Cw.exe.exe windows:6 windows x86
4c2ede2d1d1824f0fded580996722f5f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetProcAddress
CloseHandle
WaitForSingleObjectEx
Sleep
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
GetNativeSystemInfo
FormatMessageA
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceCounter
QueryPerformanceFrequency
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryAcquireSRWLockExclusive
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableSRW
LocalFree
GetLocaleInfoEx
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
SetFileInformationByHandle
GetTempPathW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
SleepConditionVariableCS
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetSystemTimeAsFileTime
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetModuleHandleW
GetFileInformationByHandleEx
CreateSymbolicLinkW
GetStringTypeW
CompareStringEx
GetCPInfo
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
CreateFileW
RaiseException
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
CreateThread
ExitThread
ResumeThread
FreeLibraryAndExitThread
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetCommandLineA
GetCommandLineW
GetCurrentThread
HeapFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapAlloc
SetConsoleCtrlHandler
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
GetTimeZoneInformation
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW
Sections
.text Size: 720KB - Virtual size: 719KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 103KB - Virtual size: 102KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 274KB - Virtual size: 281KB
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
.00cfg Size: 512B - Virtual size: 270B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ