rstrui[.]exe | Triage

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General

Target

rstrui.exe
Size

268KB
MD5

9738d3b78e4c5ba0318d1836ac1742ce
SHA1

c965821ffffb084e5338748cb217da0375be6254
SHA256

5b3e453aa0a3b4ca160b206c2218e196b89c6367d9162874dc38356072cbea9f
SHA512

bc7d866e3eba21563f35509f166f7c24ff9448ba77f592c5682276e0d54d91088cf8946c42369d19432d1321a8cfd4b4d04739dd7d7d22d4a3bf622f76269a12
SSDEEP

6144:D2giB1TuuQl2FRuTsKlpbcUsozcangj2+UvQ/KpmOq:D2gG5c2FR7kNcK3vQ/Kp

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
rstrui.exe

Files

rstrui.exe
.exe windows:10 windows x64 arch:x64

9d3877d28342ff71396ab7b327c8f5ae

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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_LARGE_ADDRESS_AWARE

PDB Paths

rstrui.pdb

Imports

advapi32

TraceMessage
GetTraceLoggerHandle
GetTraceEnableLevel
GetTraceEnableFlags
RegisterTraceGuidsW
UnregisterTraceGuids
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegOpenKeyExW
InitiateShutdownW
OpenSCManagerW
OpenServiceW
ControlService
OpenProcessToken
RegCloseKey
CloseServiceHandle
CreateWellKnownSid
CheckTokenMembership
LookupPrivilegeValueW
AdjustTokenPrivileges
RegQueryValueExW
GetTokenInformation
EnableTraceEx2
StartTraceW
ControlTraceW
RegQueryInfoKeyW
InitializeSecurityDescriptor
SetEntriesInAclW
SetSecurityDescriptorOwner
SetSecurityDescriptorGroup
SetSecurityDescriptorDacl
DuplicateToken
DuplicateTokenEx
RegisterEventSourceW
ReportEventW
DeregisterEventSource

kernel32

CreateProcessW
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSectionAndSpinCount
GetTimeZoneInformation
SetThreadPreferredUILanguages
OpenProcess
FileTimeToSystemTime
FileTimeToLocalFileTime
GetTimeFormatW
GetDateFormatW
GlobalFree
GetLocaleInfoW
GetLocaleInfoEx
FindVolumeClose
FindNextVolumeW
FindFirstVolumeW
CloseHandle
GetWindowsDirectoryW
GetVolumeNameForVolumeMountPointW
GetVolumePathNameW
GetVolumePathNamesForVolumeNameW
LoadLibraryExW
LocalAlloc
GetSystemDirectoryW
ExpandEnvironmentStringsW
GetVolumeInformationW
GetDriveTypeW
MoveFileExW
DeviceIoControl
FindClose
FindNextFileW
FindFirstFileW
FormatMessageW
TerminateProcess
UnhandledExceptionFilter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
RegisterApplicationRestart
QueryPerformanceCounter
GetModuleHandleW
SetUnhandledExceptionFilter
GetStartupInfoW
Sleep
InitializeCriticalSection
CreateFileW
SetEvent
WaitForSingleObject
CreateThread
GetSystemTimeAsFileTime
FreeLibrary
LocalFree
GetLastError
CreateDirectoryW
DeleteFileW
GetFileAttributesW
GetCommandLineW
EncodePointer
DecodePointer
GetProcAddress
DeleteCriticalSection
SetLastError
HeapSetInformation
SetErrorMode
CreateEventW
GetUserDefaultLCID

gdi32

SetBkMode
DeleteDC
GdiFlush
SelectObject
SetLayout
CreateCompatibleDC
ExtTextOutW
SetBkColor
CreateDIBSection
GetDeviceCaps
CreateFontIndirectW
SetTextColor
DeleteObject

user32

GetParent
UpdateWindow
SystemParametersInfoW
LoadIconW
SetForegroundWindow
CreateDialogParamW
ShowWindow
DestroyWindow
DialogBoxParamW
GetSystemMetrics
RegisterWindowMessageW
GetDC
ReleaseDC
SetWindowLongPtrW
PostMessageW
MsgWaitForMultipleObjectsEx
DispatchMessageW
PeekMessageW
SetWindowPos
CopyRect
GetDesktopWindow
MessageBoxW
EnumWindows
SendMessageTimeoutW
GetWindowTextW
GetWindowThreadProcessId
EndPaint
MapWindowPoints
GetWindowRect
BeginPaint
GetAncestor
GetClassNameW
LoadStringW
GetWindowLongW
GetDlgItem
GetSysColor
InflateRect
OffsetRect
DrawFrameControl
SendMessageW
CallWindowProcW
IsWindow
GetWindowLongPtrW
SetClassLongPtrW
SetWindowTextW
SetWindowLongW
GetSysColorBrush
EndDialog
SetFocus
GetKeyState
EnableWindow
GetClientRect

msvcrt

wcschr
_wcsnicmp
_wcsicmp
__C_specific_handler
free
malloc
_callnewh
_XcptFilter
_amsg_exit
__getmainargs
__set_app_type
exit
_exit
_cexit
_ismbblead
__setusermatherr
_initterm
_acmdln
_fmode
_commode
_lock
_unlock
__dllonexit
_onexit
?terminate@@YAXXZ
memset
memmove
memcpy
memcmp
iswspace
_vscwprintf
_vsnwprintf
strchr
wcsstr
wcscmp

shell32

SHGetStockIconInfo
CommandLineToArgvW
ShellExecuteExW

ole32

CoInitializeSecurity
CoTaskMemRealloc
CoTaskMemAlloc
CoUninitialize
CoCreateInstance
CoInitializeEx
CoTaskMemFree
CLSIDFromString

comctl32

PropertySheetW
DestroyPropertySheetPage
ord345
InitCommonControlsEx
ImageList_Create
ImageList_Add
ImageList_AddMasked
CreatePropertySheetPageW
ord344
ImageList_Destroy

ntdll

NtShutdownSystem
WinSqmAddToStream
WinSqmIncrementDWORD
WinSqmAddToStreamEx
RtlDeleteElementGenericTableAvl
RtlEnumerateGenericTableAvl
RtlGetLastNtStatus
RtlInitializeGenericTableAvl
RtlLookupElementGenericTableAvl
RtlInsertElementGenericTableAvl
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
EtwTraceMessage
RtlNtStatusToDosError

srcore

SrFreeRpPropArray
SrFreeRestoreStatus

spp

SxTracerGetThreadContextRetail
SppFreeExternalGroupPropArray
SxTracerShouldTrackFailure
SxTracerDebuggerBreak

Sections

.text
Size: 133KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9d3877d28342ff71396ab7b327c8f5ae

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

kernel32

gdi32

user32

msvcrt

shell32

ole32

comctl32

ntdll

srcore

spp

Sections

.text Size: 133KB - Virtual size: 132KB

.rdata Size: 24KB - Virtual size: 24KB

.data Size: 512B - Virtual size: 2KB

.pdata Size: 4KB - Virtual size: 3KB

.rsrc Size: 104KB - Virtual size: 104KB

.reloc Size: 512B - Virtual size: 92B

.text
Size: 133KB - Virtual size: 132KB

.rdata
Size: 24KB - Virtual size: 24KB

.data
Size: 512B - Virtual size: 2KB

.pdata
Size: 4KB - Virtual size: 3KB

.rsrc
Size: 104KB - Virtual size: 104KB

.reloc
Size: 512B - Virtual size: 92B