assistant_fstek_4_updk[.]exe

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General

Target

assistant_fstek_4_updk.exe
Size

23.4MB
MD5

05b9cf4dadd684edc91c1b2b8cb43457
SHA1

4c74ffd09fbcb83192f5f1d3f2c29a7cc01649e9
SHA256

cea32efd692809585bf5926fadad8cc9a89a608c2e869da920270157e8c895f5
SHA512

5fa7726dbcb52b6e7617a2a1b2c750356482c57f6e6a909e5dfd379536d6c77b87c008f6fe441597cc9e97cba5ad7c5ec5a4f55345d35fb2a6e66ec61014ff3f
SSDEEP

393216:D5aH8VvnaFq0SzHkOYz4Zi/+rPqE6SupmTb1GhE0mluM2KEkGyVPN6QyhDWdvc0q:IuyFq02Oz//+riHITbUbMFNODAT/nExl

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
assistant_fstek_4_updk.exe

Files

assistant_fstek_4_updk.exe
.exe windows x86

a1a66d588dcf1394354ebf6ec400c223

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

comctl32

ord17

shell32

ShellExecuteExW
ShellExecuteW
SHGetMalloc
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetFileInfoW
SHGetSpecialFolderPathW

gdi32

CreateCompatibleDC
CreateFontIndirectW
DeleteObject
DeleteDC
GetCurrentObject
StretchBlt
GetDeviceCaps
CreateCompatibleBitmap
SelectObject
SetStretchBltMode
GetObjectW

advapi32

FreeSid
AllocateAndInitializeSid
CheckTokenMembership

user32

GetParent
ScreenToClient
CreateWindowExW
GetDesktopWindow
GetWindowTextLengthW
SetWindowPos
SetTimer
GetMessageW
CopyImage
KillTimer
CharUpperW
SendMessageW
ShowWindow
BringWindowToTop
wsprintfW
MessageBoxW
EndDialog
ReleaseDC
GetWindowDC
GetMenu
GetWindowLongW
GetClassNameA
wsprintfA
DispatchMessageW
SetWindowTextW
GetSysColor
DestroyWindow
MessageBoxA
GetKeyState
IsWindow
GetDlgItem
GetClientRect
GetSystemMetrics
SetWindowLongW
UnhookWindowsHookEx
SetFocus
SystemParametersInfoW
DrawTextW
GetDC
ClientToScreen
GetWindow
DialogBoxIndirectParamW
DrawIconEx
CallWindowProcW
DefWindowProcW
CallNextHookEx
PtInRect
SetWindowsHookExW
LoadImageW
LoadIconW
MessageBeep
EnableWindow
EnableMenuItem
GetSystemMenu
CreateWindowExA
wvsprintfW
GetWindowTextW
GetWindowRect

ole32

CreateStreamOnHGlobal
CoCreateInstance
CoInitialize

oleaut32

SysAllocStringLen
VariantClear
SysFreeString
OleLoadPicture
SysAllocString

kernel32

SetFileTime
SetEndOfFile
GetFileInformationByHandle
VirtualFree
GetModuleHandleA
WaitForMultipleObjects
VirtualAlloc
ReadFile
SetFilePointer
GetFileSize
LeaveCriticalSection
EnterCriticalSection
DeleteCriticalSection
FormatMessageW
lstrcpyW
LocalFree
IsBadReadPtr
GetSystemDirectoryW
GetCurrentThreadId
SuspendThread
TerminateThread
InitializeCriticalSection
ResetEvent
SetEvent
CreateEventW
GetVersionExW
GetModuleFileNameW
GetCurrentProcess
SetProcessWorkingSetSize
SetEnvironmentVariableW
GetDriveTypeW
CreateFileW
LoadLibraryA
SetThreadLocale
GetSystemTimeAsFileTime
ExpandEnvironmentStringsW
CompareFileTime
WideCharToMultiByte
GetTempPathW
GetCurrentDirectoryW
GetEnvironmentVariableW
lstrcmpiW
GetLocaleInfoW
MultiByteToWideChar
GetUserDefaultUILanguage
GetSystemDefaultUILanguage
GetSystemDefaultLCID
lstrcmpiA
GlobalAlloc
GlobalFree
MulDiv
FindResourceExA
SizeofResource
LoadResource
LockResource
GetModuleHandleW
FindFirstFileW
lstrcmpW
DeleteFileW
FindNextFileW
FindClose
RemoveDirectoryW
GetStdHandle
WriteFile
lstrlenA
CreateDirectoryW
GetFileAttributesW
SetCurrentDirectoryW
GetLocalTime
SystemTimeToFileTime
CreateThread
GetExitCodeThread
Sleep
SetFileAttributesW
GetDiskFreeSpaceExW
SetLastError
GetTickCount
lstrlenW
ExitProcess
lstrcatW
GetProcAddress
CloseHandle
WaitForSingleObject
GetExitCodeProcess
GetQueuedCompletionStatus
ResumeThread
SetInformationJobObject
CreateIoCompletionPort
AssignProcessToJobObject
CreateJobObjectW
GetLastError
CreateProcessW
GetStartupInfoW
GetCommandLineW
GetStartupInfoA

msvcrt

_purecall
??2@YAPAXI@Z
_wtol
memset
memmove
memcpy
_wcsnicmp
_controlfp
_except_handler3
__set_app_type
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
_XcptFilter
_exit
??1type_info@@UAE@XZ
_onexit
__dllonexit
malloc
realloc
free
wcsstr
_CxxThrowException
_beginthreadex
_EH_prolog
?_set_new_handler@@YAP6AHI@ZP6AHI@Z@Z
strncmp
wcsncmp
wcsncpy
strncpy
??3@YAXPAX@Z

Sections

.text
Size: 111KB - Virtual size: 111KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a1a66d588dcf1394354ebf6ec400c223

Headers

File Characteristics

Imports

comctl32

shell32

gdi32

advapi32

user32

ole32

oleaut32

kernel32

msvcrt

Sections

.text Size: 111KB - Virtual size: 111KB

.rdata Size: 16KB - Virtual size: 16KB

.data Size: 2KB - Virtual size: 19KB

.rsrc Size: 19KB - Virtual size: 18KB

.text
Size: 111KB - Virtual size: 111KB

.rdata
Size: 16KB - Virtual size: 16KB

.data
Size: 2KB - Virtual size: 19KB

.rsrc
Size: 19KB - Virtual size: 18KB