EhStorAPI[.]dll

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General

Target

EhStorAPI.dll
Size

113KB
MD5

91588d95f5dd49d3bad511dddc73d9d7
SHA1

aefdf2614fda7d0230733445ea5983d26dd7d62e
SHA256

58d6eb07e23a709a8417e4b4ea051891c41703e0bc91f52c552dc18bfebf4318
SHA512

f2fe41e147be179268a7961d7f4c562be4c43b1f32e117fea026e8db994d250e788a9db639fd15358d577914845855d618411a8617b885437051092935c377b2
SSDEEP

1536:n/iWQXD+7FxraaWzbDY3YyysxZPI4/QLKHx:QUFxraaWnDY0cVIhLQ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
EhStorAPI.dll

Files

EhStorAPI.dll
.dll regsvr32 windows:10 windows x86 arch:x86

5c42e0652341d70c1e1149a19e359923

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

EhStorapi.pdb

Imports

msvcrt

memmove_s
memcpy_s
mbstowcs
free
calloc
malloc
wcsrchr
wcsncpy_s
_purecall
_callnewh
_XcptFilter
_amsg_exit
_initterm
_except_handler4_common
??1type_info@@UAE@XZ
_errno
realloc
_lock
_unlock
__dllonexit
_onexit
memcpy
_wcsicmp
__CxxFrameHandler3
_CxxThrowException
memset

user32

UnregisterClassA
AllowSetForegroundWindow
CharNextW

advapi32

RegDeleteValueW
RegCreateKeyExW
RegSetValueExW
RegOpenKeyExW
RegEnumKeyExW
RegQueryInfoKeyW
RegCloseKey
UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
CreateProcessAsUserW
GetUserNameW
TraceMessage

kernel32

HeapDestroy
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
DisableThreadLibraryCalls
FindResourceExW
LoadResource
SizeofResource
MultiByteToWideChar
EnterCriticalSection
RaiseException
LeaveCriticalSection
lstrcmpiW
Sleep
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
OutputDebugStringA
HeapSize
FreeLibrary
DeleteCriticalSection
CreateFileW
GetLastError
DeviceIoControl
CloseHandle
InitializeCriticalSection
SetEnvironmentVariableW
ExpandEnvironmentStringsW
WTSGetActiveConsoleSessionId
CreateProcessW
WaitForSingleObject
GetExitCodeProcess
GetModuleFileNameW
GetModuleHandleW
GetProcAddress
LoadLibraryExW

oleaut32

VarUI4FromStr

setupapi

SetupDiGetClassDevsExW
SetupDiEnumDeviceInterfaces
SetupDiGetDeviceInterfaceDetailW
SetupDiDestroyDeviceInfoList
SetupDiCreateDeviceInfoList
SetupDiOpenDeviceInterfaceW
SetupDiGetDeviceInterfaceAlias
SetupDiGetClassDevsW
SetupDiGetCustomDevicePropertyW

shlwapi

ord487

wtsapi32

WTSQueryUserToken

api-ms-win-core-com-l1-1-0

CoTaskMemAlloc
CoTaskMemRealloc
CoTaskMemFree
CoCreateInstance

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 48KB - Virtual size: 47KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 57KB - Virtual size: 56KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5c42e0652341d70c1e1149a19e359923

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

user32

advapi32

kernel32

oleaut32

setupapi

shlwapi

wtsapi32

api-ms-win-core-com-l1-1-0

Exports

Exports

Sections

.text Size: 48KB - Virtual size: 47KB

.data Size: 512B - Virtual size: 1KB

.idata Size: 3KB - Virtual size: 3KB

.rsrc Size: 57KB - Virtual size: 56KB

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 48KB - Virtual size: 47KB

.data
Size: 512B - Virtual size: 1KB

.idata
Size: 3KB - Virtual size: 3KB

.rsrc
Size: 57KB - Virtual size: 56KB

.reloc
Size: 3KB - Virtual size: 3KB