EhStorAuthn[.]exe

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General

Target

EhStorAuthn.exe
Size

118KB
MD5

1283459e81dc25b7f441a844b2ea5943
SHA1

457701f438053e547c10b0dc0896ac1568239ac4
SHA256

b17caf4e860deeb9d2625934b9e7eba83e87ef9854875071f54ef91c09c60b87
SHA512

91d2f5e2007413e06c9d7bcd12ee6a866d470780043f1564f8c88dd0d9f350ed0e6651d449ada09b78611e3efe85f327dc62d11c2bc49509eda7cf92239c035a
SSDEEP

1536:Hqxy91wAM4sL/3SMKEXEFfC/feomgPHA5kG9mQ7N6wMkNaAYG5n8s3xoi:fpM4sL/3XYK/fxPxQZDFcZIZBB

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
EhStorAuthn.exe

Files

EhStorAuthn.exe
.exe windows x86

d8bea4fef46578b7424738f766c2a7cc

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

advapi32

UnregisterTraceGuids
RegisterTraceGuidsW
GetTraceEnableLevel
GetTraceEnableFlags
GetTraceLoggerHandle
TraceMessage
RegQueryValueExW
RegOpenKeyW
RegDeleteValueW
RegSetValueExW
RegCreateKeyExW
RegCloseKey
RegOpenKeyExW

kernel32

GetModuleHandleW
Sleep
WaitForSingleObject
LocalAlloc
GetLastError
LocalFree
FreeResource
WideCharToMultiByte
CreateFileW
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
CloseHandle
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetStartupInfoW
FindResourceW
LoadResource
CreateThread
LockResource

gdi32

CreateSolidBrush
SetTextColor
SetBkColor
CreateFontIndirectW
DeleteObject

user32

FindWindowExW
GetWindowTextLengthW
GetWindowLongW
GetParent
KillTimer
LoadStringW
UnregisterDeviceNotification
PostQuitMessage
FindWindowW
TranslateMessage
DispatchMessageW
RegisterDeviceNotificationW
ShowWindow
RegisterClassExW
UnregisterClassW
SendMessageW
CreateWindowExW
SetActiveWindow
PostMessageW
DefWindowProcW
GetMessageW
GetWindowTextW
EnableWindow
SetForegroundWindow
DialogBoxParamW
GetSysColorBrush
CheckDlgButton
GetDlgItem
SetWindowLongW
LoadIconW
SetFocus
IsDlgButtonChecked
GetSysColor
GetDlgCtrlID
SetDlgItemTextW
EndDialog
SetWindowTextW
DestroyWindow
SendDlgItemMessageW
SetTimer

msvcrt

_except_handler4_common
_controlfp
?terminate@@YAXXZ
_wcmdln
_initterm
__setusermatherr
_cexit
_exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
_XcptFilter
free
memcpy
_wcsicmp
_vsnwprintf
__CxxFrameHandler3
exit
__p__fmode
memset

ole32

CoInitializeEx
CoCreateInstance
CoTaskMemFree

oleaut32

SysFreeString
SysAllocString

shell32

CommandLineToArgvW
ShellExecuteExW

uxtheme

CloseThemeData
GetThemeColor
GetThemeFont
OpenThemeData

comctl32

PropertySheetW
ord345
CreatePropertySheetPageW
ord344

crypt32

CryptProtectData
CryptUnprotectData

ntdll

WinSqmAddToStream

Exports

Exports

Microsoft_WDF_UMDF_Version

Sections

.text
Size: 39KB - Virtual size: 38KB

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: 71KB - Virtual size: 71KB

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

Sharing

General

Malware Config

Signatures

Files

d8bea4fef46578b7424738f766c2a7cc

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

gdi32

user32

msvcrt

ole32

oleaut32

shell32

uxtheme

comctl32

crypt32

ntdll

Exports

Exports

Sections

.text Size: 39KB - Virtual size: 38KB

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

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

.rsrc Size: 71KB - Virtual size: 71KB

.reloc Size: 3KB - Virtual size: 2KB

.text
Size: 39KB - Virtual size: 38KB

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

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

.rsrc
Size: 71KB - Virtual size: 71KB

.reloc
Size: 3KB - Virtual size: 2KB