HealthApi.pdb
Static task
static1
Behavioral task
behavioral1
Sample
rtl.dll
Resource
win10-20240221-en
Behavioral task
behavioral2
Sample
rtl.dll
Resource
win11-20240221-en
General
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Target
rtl.dll
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Size
581KB
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MD5
7eb7ecad2cc6cb0845b861924a8885b7
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SHA1
6051077bc254e717142b762c1c3be0b978a398df
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SHA256
25e24385719aede7f4e0359b389a9597cc26df20e1b3a6367bbc04d5d4982fe6
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SHA512
1b31733614a9809b3f4b6f953173e713bb7876ae760707398ad90440ff09f3512d00b46afd64bb7b45b29af55bc97ec5e9e229a436d0c8b4f801667314f51ee6
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SSDEEP
12288:DVLK++hycRhNmk0XosL9t0JEsX8rW88dB45OrVzomEcwxCDSWP:RLPORh94LX0CsXvhBd5orCDS
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource rtl.dll
Files
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rtl.dll.dll regsvr32 windows:6 windows x64 arch:x64
36cc3d74b56300f46cef98ba006ab2db
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB Paths
Imports
kernel32
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
WideCharToMultiByte
SetUnhandledExceptionFilter
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
LCMapStringEx
GetStringTypeW
GetCPInfo
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
Sleep
QueryUnbiasedInterruptTime
GetTickCount64
TlsFree
TlsGetValue
TlsAlloc
GetLastError
MultiByteToWideChar
TlsSetValue
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InterlockedFlushSList
SetLastError
InitializeCriticalSectionAndSpinCount
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
HeapAlloc
HeapFree
GetStdHandle
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetProcessHeap
HeapReAlloc
SetFilePointerEx
SetStdHandle
HeapSize
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
CloseHandle
CreateFileW
WriteConsoleW
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventA
OpenEventA
advapi32
RegDeleteKeyExW
RegEnumKeyExW
RegGetValueW
RegEnumValueW
RegQueryInfoKeyW
RegCreateKeyExW
RegSetValueExW
RegOpenKeyExW
RegDeleteValueW
RegQueryValueExW
RegCloseKey
Exports
Exports
Health_CurrentItemDetail
Health_CurrentItemName
Health_CurrentItemSeverity
DllRegisterSer
DllRegisterServe
DllRegisterServer
AllRegisterServer
QllRegisterServer
Sections
.text Size: 214KB - Virtual size: 213KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 97KB - Virtual size: 97KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 384B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 246KB - Virtual size: 245KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ