Static task
static1
Behavioral task
behavioral1
Sample
nuIex_crypted.exe
Resource
win7-20230824-en
Behavioral task
behavioral2
Sample
nuIex_crypted.exe
Resource
win10v2004-20230703-en
General
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Target
nuIex_crypted.exe
-
Size
1.8MB
-
MD5
55994b5392dc148b6ffad440403bcf06
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SHA1
8d81e17eb48aa37f77bfde940d24cb912075ad57
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SHA256
cfd3caa9dbbbb9d4f6fff3597a2155b5f04e898cd082c84b368fe94943830108
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SHA512
eb8d1059a71b202f8eb5c3432e55c6b4ad6f51024552ca3b0b6635220232700ad717e86928376f3cf91d579207b9baafbd218e0c65a2c40a726dc78b8ce8ba53
-
SSDEEP
24576:8HIsYF0d7MAjKPQuw0y+9qHfdLKt+i/Y:8Fd7MAjKP3k/dLz
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource nuIex_crypted.exe
Files
-
nuIex_crypted.exe.exe windows x86
71f7f5b946e95f0e200baef1abeb5c35
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
user32
SetWindowDisplayAffinity
kernel32
SetUnhandledExceptionFilter
CreateFileW
CloseHandle
WaitForSingleObjectEx
Sleep
SwitchToThread
GetCurrentThreadId
GetExitCodeThread
GetNativeSystemInfo
FormatMessageA
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
QueryPerformanceCounter
QueryPerformanceFrequency
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
TryEnterCriticalSection
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW
LocalFree
EncodePointer
DecodePointer
LCMapStringEx
SetFileInformationByHandle
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
InitOnceExecuteOnce
CreateEventExW
CreateSemaphoreExW
FlushProcessWriteBuffers
GetCurrentProcessorNumber
GetSystemTimeAsFileTime
GetTickCount64
FreeLibraryWhenCallbackReturns
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
CreateThreadpoolTimer
SetThreadpoolTimer
WaitForThreadpoolTimerCallbacks
CloseThreadpoolTimer
CreateThreadpoolWait
SetThreadpoolWait
CloseThreadpoolWait
GetModuleHandleW
GetProcAddress
GetFileInformationByHandleEx
CreateSymbolicLinkW
GetLocaleInfoEx
CompareStringEx
GetCPInfo
GetCurrentProcessId
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
WriteConsoleW
GetStartupInfoW
IsProcessorFeaturePresent
GetCurrentProcess
TerminateProcess
HeapSize
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
HeapAlloc
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
SetConsoleCtrlHandler
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
GetTimeZoneInformation
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
Sections
.textbss Size: - Virtual size: 289KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 655KB - Virtual size: 654KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 105KB - Virtual size: 104KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 9KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.Miss Size: 155KB - Virtual size: 154KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.00cfg Size: 512B - Virtual size: 270B
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: 23KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.money Size: 296KB - Virtual size: 295KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.money Size: 296KB - Virtual size: 295KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.money Size: 296KB - Virtual size: 295KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE