DotNetRuntimeDebugHeader
Static task
static1
Behavioral task
behavioral1
Sample
EIEZuJif.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
EIEZuJif.exe
Resource
win10v2004-20231215-en
General
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Target
EIEZuJif.exe
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Size
4.5MB
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MD5
d55871ce9a4a9bf4fd214ab1ae21af1c
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SHA1
785ff56e7a6ff60c9c20c32b4729b34ca143039a
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SHA256
130fe56cb2926721957a6c7a1430a7f954a85fd59a612c3e91027c4eb1cadbd1
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SHA512
7844ea1b08a4bd878d4377e08014be20a9a449887b5743628f7f886526c917ad8b3c1dd0a3f0ec125b3896ed0bb15babccbb9e75feae322a070a4646aeb0541d
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SSDEEP
49152:6FLFS2PohQFpMMZjv4Ln9hSw9qv9e0ViM2DKTgFCeRM3yp92FUXb9zsv+63kWbF:bFcvWM26y7zXJWv
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource EIEZuJif.exe
Files
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EIEZuJif.exe.exe windows:6 windows x64 arch:x64
58c1f7ef556a75e5abaa1184b6b6cce6
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
advapi32
EventActivityIdControl
EnumerateTraceGuidsEx
EventSetInformation
EventUnregister
RegCloseKey
EventRegister
EventWriteTransfer
RegEnumKeyExW
RegEnumValueW
RegOpenKeyExW
RegQueryValueExW
OpenProcessToken
GetTokenInformation
DuplicateTokenEx
CreateWellKnownSid
GetWindowsAccountDomainSid
OpenThreadToken
RevertToSelf
ImpersonateLoggedOnUser
CheckTokenMembership
LookupPrivilegeValueW
AdjustTokenPrivileges
SetKernelObjectSecurity
GetKernelObjectSecurity
RegCreateKeyExW
RegDeleteValueW
RegSetValueExW
EventWrite
EventEnabled
bcrypt
BCryptGenRandom
BCryptEncrypt
BCryptDecrypt
BCryptOpenAlgorithmProvider
BCryptSetProperty
BCryptCloseAlgorithmProvider
BCryptDestroyKey
BCryptImportKey
kernel32
RtlUnwind
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
EncodePointer
RaiseException
RtlPcToFileHeader
CloseThreadpoolIo
ExitProcess
GetCurrentProcessId
MultiByteToWideChar
GetStdHandle
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToSystemTime
GetSystemTime
GetCalendarInfoEx
CompareStringOrdinal
CompareStringEx
FindNLSStringEx
GetLocaleInfoEx
ResolveLocaleName
LCIDToLocaleName
GetUserPreferredUILanguages
FindStringOrdinal
GetTickCount64
GetCurrentProcessorNumber
GetCurrentProcess
GetCurrentThread
WaitForSingleObject
Sleep
CreateThreadpoolWork
CloseThreadpoolWork
SubmitThreadpoolWork
CreateThreadpoolWait
SetThreadpoolWait
WaitForThreadpoolWaitCallbacks
CloseThreadpoolWait
InitializeCriticalSection
InitializeConditionVariable
DeleteCriticalSection
LocalFree
EnterCriticalSection
SleepConditionVariableCS
LeaveCriticalSection
WakeConditionVariable
WaitForMultipleObjectsEx
GetLastError
SetLastError
GetFullPathNameW
GetLongPathNameW
LocalAlloc
GetConsoleOutputCP
WideCharToMultiByte
GetProcAddress
RaiseFailFastException
CreateThreadpoolIo
StartThreadpoolIo
CancelThreadpoolIo
LocaleNameToLCID
LCMapStringEx
EnumTimeFormatsEx
EnumCalendarInfoExEx
CreateDirectoryW
CreateFileW
DeleteFileW
DeleteVolumeMountPointW
DeviceIoControl
ExpandEnvironmentStringsW
FindNextFileW
FindClose
FindFirstFileExW
FlushFileBuffers
FreeLibrary
GetCurrentDirectoryW
GetFileAttributesExW
GetFileInformationByHandleEx
GetFileType
GetModuleFileNameW
GetOverlappedResult
GetSystemDirectoryW
GetTempFileNameW
LoadLibraryExW
OutputDebugStringW
ReadFile
RemoveDirectoryW
SetFileInformationByHandle
SetFilePointerEx
SetThreadErrorMode
CreateThread
ResumeThread
DuplicateHandle
GetThreadPriority
SetThreadPriority
GetDynamicTimeZoneInformation
GetTimeZoneInformation
WriteFile
CloseHandle
SetEvent
ResetEvent
CreateEventExW
GetEnvironmentVariableW
FormatMessageW
K32EnumProcessModulesEx
IsWow64Process
GetExitCodeProcess
CreateProcessW
TerminateProcess
OpenProcess
K32EnumProcesses
K32GetModuleInformation
K32GetModuleBaseNameW
K32GetModuleFileNameExW
GetProcessId
CreatePipe
GetCPInfoExW
GetConsoleCP
VirtualAllocEx
GetThreadContext
SetThreadContext
WriteProcessMemory
VirtualProtect
FlushProcessWriteBuffers
GetCurrentThreadId
QueryPerformanceCounter
QueryPerformanceFrequency
WaitForSingleObjectEx
RtlCaptureContext
RtlRestoreContext
AddVectoredExceptionHandler
FlsAlloc
FlsGetValue
FlsSetValue
CreateEventW
SwitchToThread
SuspendThread
FlushInstructionCache
VirtualAlloc
VirtualFree
QueryInformationJobObject
GetModuleHandleW
GetModuleHandleExW
GetProcessAffinityMask
InitializeContext
GetEnabledXStateFeatures
SetXStateFeaturesMask
VirtualQuery
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
DebugBreak
SleepEx
GlobalMemoryStatusEx
GetSystemInfo
GetTickCount
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLargePageMinimum
VirtualUnlock
GetWriteWatch
ResetWriteWatch
VirtualAllocExNuma
IsProcessInJob
GetNumaHighestNodeNumber
GetProcessGroupAffinity
K32GetProcessMemoryInfo
RtlUnwindEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
InitializeSListHead
InitializeCriticalSectionAndSpinCount
ole32
CoUninitialize
CoTaskMemAlloc
CoGetApartmentType
CoCreateGuid
CoTaskMemFree
CoWaitForMultipleHandles
CoInitializeEx
user32
LoadStringW
api-ms-win-crt-heap-l1-1-0
free
_callnewh
calloc
malloc
_set_new_mode
api-ms-win-crt-math-l1-1-0
ceil
floor
__setusermatherr
pow
sin
tan
cos
modf
api-ms-win-crt-string-l1-1-0
wcsncmp
strncpy_s
_stricmp
strcpy_s
_wcsicmp
strcmp
api-ms-win-crt-runtime-l1-1-0
_get_initial_wide_environment
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___wargv
__p___argc
_exit
exit
_initterm_e
_initterm
terminate
_crt_atexit
_initialize_wide_environment
_register_onexit_function
_initialize_onexit_table
_configure_wide_argv
_set_app_type
_seh_filter_exe
abort
api-ms-win-crt-stdio-l1-1-0
__stdio_common_vsprintf_s
__stdio_common_vsscanf
__stdio_common_vfprintf
__acrt_iob_func
_set_fmode
__p__commode
api-ms-win-crt-locale-l1-1-0
_configthreadlocale
Exports
Exports
Sections
.text Size: 464KB - Virtual size: 464KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.managed Size: 1.7MB - Virtual size: 1.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2.0MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 207KB - Virtual size: 277KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 154KB - Virtual size: 154KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 348B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 92KB - Virtual size: 92KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ