3c915818a08c73070f3cfcdb794f878d810650483be0a8f8061bc38afc638c18

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General

Target

3c915818a08c73070f3cfcdb794f878d810650483be0a8f8061bc38afc638c18
Size

4.8MB
MD5

6c0857764623cb0e1361e81ab93cd96f
SHA1

b7ae96f1cb2fd7fd0d39f3c3a398778f678e417b
SHA256

3c915818a08c73070f3cfcdb794f878d810650483be0a8f8061bc38afc638c18
SHA512

3e9e90c33fda32692f42c2484ef06e97321fbb58efaa205490bc902da35264849ba25cd783540bf57bccd2d57c58e232cb1984bbd21db305ee0e10583706f994
SSDEEP

98304:VxoVGXelVURGCAbwdBsr70tiXelVURGCAbwdBsr70trzfgMy8c8CGoJ91N6TD+Bc:VxgGXelVURGCAbwdBsr70tiXelVURGCv

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
3c915818a08c73070f3cfcdb794f878d810650483be0a8f8061bc38afc638c18

Files

3c915818a08c73070f3cfcdb794f878d810650483be0a8f8061bc38afc638c18
.exe windows:5 windows x86 arch:x86

8d572fe87c5207e4a8aed83c6302f30f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

D:\build\lib_common\win11_update_assistant\Release\LdsWin11Assistant.pdb

Imports

kernel32

lstrcmpiW
CreateMutexW
LoadLibraryExW
CopyFileW
IsBadReadPtr
SetLastError
GetCurrentThreadId
SetUnhandledExceptionFilter
TerminateProcess
GetCurrentProcessId
OpenProcess
VirtualProtect
InterlockedDecrement
InterlockedIncrement
GetVersionExW
GetCommandLineW
GetTickCount
ReadFile
GetModuleHandleW
GetCurrentProcess
WideCharToMultiByte
DeleteFileW
CreateFileW
GetTempPathW
WriteFile
Sleep
MultiByteToWideChar
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindFirstFileExW
DeleteFileA
SetStdHandle
ReadConsoleW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetACP
ExitProcess
GetDiskFreeSpaceExA
GetSystemWindowsDirectoryA
GetTempFileNameA
GetTempPathA
FindResourceExW
FindResourceW
GetFirmwareEnvironmentVariableA
CreateProcessA
GetModuleFileNameW
LoadLibraryW
CreateEventW
CloseHandle
SizeofResource
LoadResource
WaitForMultipleObjects
WaitForSingleObject
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
GetLastError
RaiseException
WriteConsoleW
GetTimeZoneInformation
GetConsoleMode
GetConsoleCP
SetFilePointerEx
GetFileType
GetFileAttributesExW
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
CreateThread
RtlUnwind
GetSystemWindowsDirectoryW
FreeResource
InterlockedCompareExchange
CreateFileA
lstrcmpiA
lstrcmpA
DeviceIoControl
GlobalFree
QueryPerformanceCounter
GetStartupInfoW
WaitForSingleObjectEx
UnhandledExceptionFilter
CreateFileMappingW
UnmapViewOfFile
MapViewOfFile
GetProcessHeap
HeapSize
HeapFree
GetFileSizeEx
HeapReAlloc
HeapAlloc
HeapDestroy
GetProcAddress
FreeLibrary
LockResource
GlobalUnlock
GlobalLock
GlobalAlloc
WritePrivateProfileStringW
GetPrivateProfileStringW
GetPrivateProfileIntW
GetStdHandle
DecodePointer
IsDebuggerPresent
OutputDebugStringW
EncodePointer
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
LoadLibraryExA
GetStringTypeW
FormatMessageW
SwitchToThread
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
GetFileSize
FlushFileBuffers
LocalFree
ReleaseMutex
SetFileTime
GetSystemDirectoryW
CreateDirectoryW
SetFileAttributesW
FindClose
FindFirstFileW
FindNextFileW
SetEndOfFile
SetFilePointer

user32

PostMessageW
LoadCursorW
GetWindowThreadProcessId
FindWindowW
CharNextW
GetClassInfoExW
RegisterClassExW
SendMessageTimeoutW
PeekMessageW
DispatchMessageW
TranslateMessage
GetMessageW
SystemParametersInfoW
GetParent
SetWindowLongW
GetWindowLongW
ScreenToClient
GetWindowRect
GetClientRect
SetWindowTextW
EndPaint
wsprintfW
GetShellWindow
CopyRect
OffsetRect
UnionRect
EqualRect
PtInRect
SetCursor
UnregisterClassW
DrawFocusRect
BeginPaint
KillTimer
SetTimer
ReleaseCapture
SetCapture
GetAsyncKeyState
SetWindowPos
UpdateLayeredWindow
DestroyWindow
IsWindow
CreateWindowExW
CallWindowProcW
PostQuitMessage
DefWindowProcW
SendMessageW
ShowWindow
MonitorFromWindow
ReleaseDC
GetDC

gdi32

SaveDC
SelectClipRgn
OffsetViewportOrgEx
CreateDIBSection
GetObjectW
RectVisible
SetViewportOrgEx
DeleteObject
GetDeviceCaps
BitBlt
CreateCompatibleBitmap
CreateCompatibleDC
CreateRectRgnIndirect
SelectObject
DeleteDC
RestoreDC

advapi32

RegQueryValueExW
DuplicateTokenEx
LookupPrivilegeValueW
AdjustTokenPrivileges
GetTokenInformation
OpenProcessToken
RegSetValueExW
RegQueryInfoKeyW
RegOpenKeyExW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegCloseKey
SetSecurityDescriptorDacl
InitializeSecurityDescriptor
RegQueryValueExA
RegEnumKeyExA
RegOpenKeyExA

shell32

ShellExecuteExW
SHCreateDirectoryExW
ShellExecuteW
SHGetSpecialFolderPathW
ord165

ole32

CoUninitialize
CreateStreamOnHGlobal
CoInitialize
CoInitializeEx
CoTaskMemFree
CoTaskMemRealloc
CoTaskMemAlloc
CoCreateGuid
CoCreateInstance
CoSetProxyBlanket
CoInitializeSecurity

oleaut32

SysAllocString
SysAllocStringLen
SysFreeString
SysStringLen
SafeArrayGetUBound
SafeArrayGetLBound
SafeArrayAccessData
SafeArrayUnaccessData
VariantInit
VariantClear
VarBstrCat
VarUI4FromStr

shlwapi

PathIsRootW
PathAppendW
PathFileExistsA
PathFileExistsW
StrCmpNIW
StrTrimA
PathIsRelativeW
PathCombineW
StrStrIA
StrCmpIW
SHGetValueW
StrStrIW
PathRemoveFileSpecW
SHGetValueA
SHSetValueA

comctl32

InitCommonControlsEx
_TrackMouseEvent

gdiplus

GdiplusStartup
GdipFillRectangleI
GdipAlloc
GdipFree
GdipCloneImage
GdipDisposeImage
GdipGetImageWidth
GdipGetImageHeight
GdipCreateBitmapFromStream
GdipCreateFromHDC
GdipDeleteGraphics
GdipDrawImageRectRect
GdipDrawImageRectRectI
GdipDeleteBrush
GdipCreateSolidFill

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

crypt32

CertGetNameStringW

wintrust

WinVerifyTrust
WTHelperProvDataFromStateData

wininet

InternetGetConnectedState

iphlpapi

GetAdaptersInfo

urlmon

URLDownloadToCacheFileW
URLDownloadToFileW

Sections

.text
Size: 509KB - Virtual size: 509KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 143KB - Virtual size: 142KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 13KB - Virtual size: 21KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 27.8MB - Virtual size: 27.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 26KB - Virtual size: 25KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

8d572fe87c5207e4a8aed83c6302f30f

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

oleaut32

shlwapi

comctl32

gdiplus

version

crypt32

wintrust

wininet

iphlpapi

urlmon

Sections

.text Size: 509KB - Virtual size: 509KB

.rdata Size: 143KB - Virtual size: 142KB

.data Size: 13KB - Virtual size: 21KB

.rsrc Size: 27.8MB - Virtual size: 27.8MB

.reloc Size: 26KB - Virtual size: 25KB

.text
Size: 509KB - Virtual size: 509KB

.rdata
Size: 143KB - Virtual size: 142KB

.data
Size: 13KB - Virtual size: 21KB

.rsrc
Size: 27.8MB - Virtual size: 27.8MB

.reloc
Size: 26KB - Virtual size: 25KB