qwinsta[.]exe | Triage

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General

Target

qwinsta.exe
Size

24KB
MD5

8ba20d53b4fb03195ad2d401d1388592
SHA1

2d0a923e867034c41ed4e0f4cb01f342e1052c9c
SHA256

d292a447b82b1ee408b3fee4aa092b9e437866e2c2631087b4a698426592dc76
SHA512

efe51e11802a8f02ee2388b181f5ccbe980fd3e434242516f232515192121af92936b58d34cee51ea8b178ccceba27b7869c6baf1ed38ca0b26fdd7faff5418a
SSDEEP

384:ngeQrphbmcLelWRzVBlfBg1PE9iU3ogAv9QasXFZg8XImvCSGFETUYjWV6Ww/m:gLhbBBVXfBgG14IvSYGOm

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
qwinsta.exe

Files

qwinsta.exe
.exe windows:10 windows x86

dabccbb5707075aa29f67f6ba6738ce8

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

winsta

WinStationQueryInformationW
WinStationEnumerateW
WinStationFreeMemory
WinStationOpenServerExW
WinStationGetAllSessionsEx
WinStationGetTermSrvCountersValue
WinStationFreeEXECENVDATAEX
WinStationOpenServerW

utildll

StrConnectState
StrAsyncConnectState

user32

CharToOemW
LoadStringW

kernel32

GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetModuleHandleA
TerminateProcess
GetCurrentThreadId
GetSystemTimeAsFileTime
GetTickCount
QueryPerformanceCounter
GetCurrentProcessId
GetConsoleOutputCP
SetThreadUILanguage
GetLastError
HeapSetInformation
WideCharToMultiByte
SetLastError
GetStdHandle
MultiByteToWideChar
FormatMessageW
LoadLibraryW
WriteConsoleW
GetModuleHandleW
FreeLibrary
GetFileType
GetCommandLineW
LocalAlloc
LocalFree
VerSetConditionMask
VerifyVersionInfoW
GetOEMCP
GetACP
FindFirstFileW
FindNextFileW
FindClose
GetFileAttributesW
Sleep

msvcrt

swprintf_s
_wsetlocale
_ultoa
vswprintf_s
wcschr
free
vfwprintf
fwprintf
malloc
memmove
wcstol
wcstoul
_wcsnicmp
iswdigit
wprintf
printf
_wcsdup
_XcptFilter
__p__commode
_amsg_exit
__getmainargs
__set_app_type
exit
_exit
_cexit
__p__fmode
__setusermatherr
_initterm
?terminate@@YAXXZ
_controlfp
_except_handler4_common
fprintf
_wcslwr
wcscat_s
wcscpy_s
_snwprintf_s
fflush
__iob_func
memcpy
setlocale
memset

Sections

.text
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

dabccbb5707075aa29f67f6ba6738ce8

Headers

DLL Characteristics

File Characteristics

Imports

winsta

utildll

user32

kernel32

msvcrt

Sections

.text Size: 17KB - Virtual size: 16KB

.data Size: 512B - Virtual size: 19KB

.idata Size: 2KB - Virtual size: 2KB

.rsrc Size: 2KB - Virtual size: 2KB

.reloc Size: 1KB - Virtual size: 1KB

.text
Size: 17KB - Virtual size: 16KB

.data
Size: 512B - Virtual size: 19KB

.idata
Size: 2KB - Virtual size: 2KB

.rsrc
Size: 2KB - Virtual size: 2KB

.reloc
Size: 1KB - Virtual size: 1KB