EhStorAuthn[.]exe

Sharing

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General

Target

EhStorAuthn.exe
Size

118KB
MD5

cf4ca1bb022bf8c53fd8e02a9e783c78
SHA1

f6da68b6a7b78781d31a8a9c7f249b34c0c1a66f
SHA256

ba685f4466f5ffee339982a714d58ae0bc602b838ed70c447f332a295092b246
SHA512

bb0a674ef5570328725f44be1d0d7ca364c330f4457be2d5d320264b330b26bcefb6a81915ca1a1828634d9affc6fd2b60f5d596dacfaa506b569b94255903f3
SSDEEP

1536:cqxyzyCaU4o9edlBYGYhveomgPHA5kG9mQ7N6wMkNaAYG5n8s:aaUmDBY5hvxPxQZDFcZIZ

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
EhStorAuthn.exe

Files

EhStorAuthn.exe
.exe windows x86

71e7efb0114154314a8075450927525b

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

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

gdi32

SetTextColor
SetBkColor
CreateFontIndirectW
CreateSolidBrush
DeleteObject

user32

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

msvcrt

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

ole32

CoInitializeEx
CoCreateInstance
CoTaskMemFree

oleaut32

SysFreeString
SysAllocString

shell32

CommandLineToArgvW
ShellExecuteExW

uxtheme

CloseThemeData
GetThemeColor
OpenThemeData
GetThemeFont

comctl32

ord345
PropertySheetW
CreatePropertySheetPageW
ord344

crypt32

CryptProtectData
CryptUnprotectData

ntdll

WinSqmAddToStream

Exports

Exports

Microsoft_WDF_UMDF_Version

Sections

.text
Size: 38KB - 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

71e7efb0114154314a8075450927525b

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

gdi32

user32

msvcrt

ole32

oleaut32

shell32

uxtheme

comctl32

crypt32

ntdll

Exports

Exports

Sections

.text Size: 38KB - 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: 38KB - 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