msash[.]dll | Triage

Sharing

Copy URL Twitter E-mail

General

Target

msash.dll
Size

271KB
MD5

1c16300abb1f2c9fc509947abd198dd3
SHA1

84f202f68ea423dc6367a8ad16e2c0bf08a31272
SHA256

88208e6b9a6de863aa04b2fdf0b0e61697890bc429517a00a835c862ff4f34fc
SHA512

3f244c1d196bc2a7b70d6f46f6dc484fece416c18cf48ccb558f0e0d6a7946dd42c93fd16de31998416f5e59cd443f7d11c373232b557520b6717e46f1d9de27
SSDEEP

6144:HbJDsMtG+RNIIc7HWshxMHJErgLVYH32uGMS/f8hZCBfv:Hb1nt5NIIc72mMpErmVYHOMUPv

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
msash.dll

Files

msash.dll
.dll regsvr32 windows:5 windows x64 arch:x64

4172ecebe8a80878eedbbaeae5ffa74d

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

shlwapi

PathFindFileNameW
PathFindExtensionW
SHGetValueW

kernel32

HeapAlloc
HeapFree
RtlUnwindEx
RtlPcToFileHeader
RtlLookupFunctionEntry
TerminateProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlCaptureContext
FlsSetValue
GetCommandLineA
Sleep
ExitProcess
HeapReAlloc
HeapSize
HeapQueryInformation
GetStdHandle
GetModuleFileNameA
HeapSetInformation
HeapCreate
HeapDestroy
EncodePointer
DecodePointer
FlsGetValue
FlsFree
FlsAlloc
SetHandleCount
GetFileType
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
QueryPerformanceCounter
GetTickCount
GetSystemTimeAsFileTime
InitializeCriticalSectionAndSpinCount
GetConsoleCP
GetConsoleMode
GetCPInfo
GetACP
GetOEMCP
IsValidCodePage
GetLocaleInfoA
SetStdHandle
WriteConsoleA
GetConsoleOutputCP
WriteConsoleW
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
CreateFileA
lstrlenA
GetCurrentProcess
FlushFileBuffers
SetFilePointer
WriteFile
GlobalFindAtomW
LoadLibraryW
LoadLibraryA
GetVersionExA
GlobalFlags
WritePrivateProfileStringW
SetErrorMode
TlsFree
LocalReAlloc
TlsSetValue
GlobalHandle
GlobalReAlloc
TlsAlloc
TlsGetValue
LocalAlloc
GlobalFree
GlobalUnlock
FormatMessageW
LocalFree
GetCurrentProcessId
SetLastError
GlobalAddAtomW
CloseHandle
GlobalDeleteAtom
GetCurrentThread
GetCurrentThreadId
ConvertDefaultLocale
EnumResourceLanguagesW
lstrcmpA
GetLocaleInfoW
WideCharToMultiByte
GlobalLock
lstrcmpW
GlobalAlloc
LockResource
LoadLibraryExW
FindResourceW
LoadResource
SizeofResource
MultiByteToWideChar
FreeLibrary
GetVersion
GetModuleHandleW
GetProcAddress
GetModuleFileNameW
lstrcmpiW
GetLastError
DeleteCriticalSection
InitializeCriticalSection
LeaveCriticalSection
EnterCriticalSection
RaiseException
lstrlenW
GetStartupInfoA

user32

DestroyMenu
LoadCursorW
GetSysColorBrush
ShowWindow
RegisterWindowMessageW
LoadIconW
WinHelpW
GetCapture
GetClassLongPtrW
SetPropW
GetPropW
RemovePropW
IsWindow
GetForegroundWindow
GetDlgItem
GetTopWindow
DestroyWindow
GetWindowLongPtrW
SetWindowLongPtrW
GetMessageTime
GetMessagePos
MapWindowPoints
SetForegroundWindow
GetClientRect
CreateWindowExW
GetClassInfoExW
GetClassInfoW
RegisterClassW
AdjustWindowRectEx
DefWindowProcW
CallWindowProcW
CopyRect
GetMenu
CharNextW
LoadBitmapW
SetMenuItemBitmaps
InsertMenuW
SetWindowPos
SystemParametersInfoA
IsIconic
GetWindowPlacement
GetSystemMetrics
GetWindow
GetDlgCtrlID
GetWindowRect
GetClassNameW
PtInRect
GetWindowTextW
SetWindowTextW
UnregisterClassW
GetSysColor
PostQuitMessage
PostMessageW
CheckMenuItem
EnableMenuItem
GetMenuState
ModifyMenuW
SendMessageW
GetParent
GetFocus
GetMenuCheckMarkDimensions
ValidateRect
GetCursorPos
PeekMessageW
GetKeyState
IsWindowVisible
GetActiveWindow
DispatchMessageW
TranslateMessage
GetMessageW
CallNextHookEx
SetWindowsHookExW
ReleaseDC
GetDC
ClientToScreen
GrayStringW
DrawTextExW
DrawTextW
TabbedTextOutW
UnhookWindowsHookEx
GetMenuItemID
GetMenuItemCount
GetSubMenu
GetWindowThreadProcessId
GetWindowLongW
GetLastActivePopup
IsWindowEnabled
EnableWindow
MessageBoxW
SetCursor
SetMenu

gdi32

GetStockObject
DeleteDC
GetDeviceCaps
CreateBitmap
ScaleWindowExtEx
SetWindowExtEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SelectObject
Escape
ExtTextOutW
TextOutW
RectVisible
PtVisible
DeleteObject
GetClipBox
SetMapMode
SetTextColor
SetBkColor
RestoreDC
SaveDC

winspool.drv

DocumentPropertiesW
OpenPrinterW
ClosePrinter

advapi32

RegQueryValueW
RegOpenKeyW
RegEnumKeyW
RegQueryValueExW
RegEnumKeyExW
RegQueryInfoKeyW
RegSetValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
RegDeleteValueW
RegDeleteKeyW

shell32

DragQueryFileW
ShellExecuteW

ole32

ReleaseStgMedium
StringFromGUID2
CoCreateInstance
CoTaskMemFree
CoTaskMemRealloc
CoTaskMemAlloc

oleaut32

SysStringLen
SysFreeString
SysAllocString
LoadTypeLi
UnRegisterTypeLi
RegisterTypeLi
VarUI4FromStr
VariantClear
VariantChangeType
VariantInit

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 170KB - Virtual size: 169KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 62KB - Virtual size: 62KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4172ecebe8a80878eedbbaeae5ffa74d

Headers

File Characteristics

Imports

shlwapi

kernel32

user32

gdi32

winspool.drv

advapi32

shell32

ole32

oleaut32

Exports

Exports

Sections

.text Size: 170KB - Virtual size: 169KB

.rdata Size: 62KB - Virtual size: 62KB

.data Size: 12KB - Virtual size: 35KB

.pdata Size: 12KB - Virtual size: 11KB

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

.reloc Size: 10KB - Virtual size: 9KB

.text
Size: 170KB - Virtual size: 169KB

.rdata
Size: 62KB - Virtual size: 62KB

.data
Size: 12KB - Virtual size: 35KB

.pdata
Size: 12KB - Virtual size: 11KB

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

.reloc
Size: 10KB - Virtual size: 9KB