update[.]exe | Triage

Resubmissions

04-05-2023 16:29

230504-tzk8madg39 3

04-05-2023 16:28

230504-ty1xpadg35 3

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General

Target

update.exe
Size

252KB
MD5

c304dc1f0da9125f56fffae0dbbcabae
SHA1

7f0bf7020f73c59d40ab662e766f38819c260c4d
SHA256

386549902769f7e4f25ca805c63c3e0c2a2edf08cc5a6059cc74c469b87c1fdb
SHA512

02785faa7e516eff81de70b92da994e13934a9915e81ad9a8408e5ab7d5e10b311d9aed7070090413bd0744ec348cc3ac02f7053b327a096b101fad6e5920840
SSDEEP

3072:nsOMqmoeuTmEYff94lt+ZBoBV2fVvoOVg/auhHo8bLu9i/mIebtjffXGnWFqOCUy:sRuTmEu4lgZBojx/vu9i0v2jD

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
update.exe

Files

update.exe
.exe windows x86

0d08b8b969d804846f65e726f6f1f83d

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetTimeZoneInformation
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
IsBadWritePtr
GetACP
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
CompareStringA
CompareStringW
SetEnvironmentVariableA
HeapSize
HeapReAlloc
RaiseException
GetProfileStringA
HeapAlloc
HeapFree
TerminateProcess
ExitProcess
GetCommandLineA
GetStartupInfoA
RtlUnwind
FormatMessageA
GetFileTime
GetFileAttributesA
GetTickCount
FileTimeToLocalFileTime
FileTimeToSystemTime
GetFullPathNameA
GetVolumeInformationA
FindFirstFileA
FindClose
SetEndOfFile
UnlockFile
LockFile
FlushFileBuffers
SetFilePointer
GetCurrentProcess
DuplicateHandle
SetErrorMode
GetOEMCP
GetCPInfo
GetThreadLocale
SizeofResource
GetProcessVersion
GetLastError
WritePrivateProfileStringA
GlobalFlags
lstrcpynA
TlsGetValue
LocalReAlloc
TlsSetValue
EnterCriticalSection
GlobalReAlloc
LeaveCriticalSection
TlsFree
GlobalHandle
DeleteCriticalSection
TlsAlloc
InitializeCriticalSection
LocalFree
LocalAlloc
MulDiv
SetLastError
MultiByteToWideChar
WideCharToMultiByte
InterlockedIncrement
InterlockedDecrement
LoadLibraryA
FreeLibrary
GetVersion
lstrcatA
GlobalGetAtomNameA
GlobalAddAtomA
GlobalFindAtomA
GetModuleHandleA
GetProcAddress
GlobalUnlock
GlobalFree
LockResource
FindResourceA
LoadResource
GetModuleFileNameA
GlobalLock
GlobalAlloc
GlobalDeleteAtom
lstrcmpA
lstrcmpiA
GetCurrentThread
GetCurrentThreadId
lstrcpyA
lstrlenA
CreateFileA
GetFileSize
CloseHandle
ReadFile
SetFileAttributesA
DeleteFileA
SetUnhandledExceptionFilter
WriteFile

user32

InvalidateRect
CharUpperA
RegisterClipboardFormatA
PostThreadMessageA
UpdateWindow
SendDlgItemMessageA
MapWindowPoints
GetSysColor
SetFocus
AdjustWindowRectEx
ScreenToClient
GetTopWindow
IsChild
GetCapture
WinHelpA
wsprintfA
GetClassInfoA
RegisterClassA
GetMenu
GetMenuItemCount
GetSubMenu
GetMenuItemID
GetWindowTextLengthA
GetWindowTextA
GetDlgCtrlID
CreateWindowExA
GetClassLongA
SetPropA
UnhookWindowsHookEx
GetPropA
CallWindowProcA
RemovePropA
GetMessageTime
GetMessagePos
GetForegroundWindow
SetForegroundWindow
SetWindowLongA
CharNextA
OffsetRect
IntersectRect
SystemParametersInfoA
GetWindowPlacement
GetWindowRect
MapDialogRect
SetWindowPos
GetWindow
SetWindowContextHelpId
CopyRect
GetDC
ReleaseDC
EndDialog
SetActiveWindow
IsWindow
SetRect
DestroyWindow
GetDlgItem
GetMenuCheckMarkDimensions
LoadBitmapA
GetMenuState
ModifyMenuA
SetMenuItemBitmaps
CheckMenuItem
EnableMenuItem
GetFocus
GetNextDlgTabItem
GetMessageA
TranslateMessage
LoadIconA
SendMessageA
AppendMenuA
UnregisterClassA
HideCaret
ShowCaret
ExcludeUpdateRgn
DrawFocusRect
DispatchMessageA
GetActiveWindow
GetKeyState
CallNextHookEx
ValidateRect
IsWindowVisible
PeekMessageA
GetCursorPos
SetWindowsHookExA
GetParent
GetLastActivePopup
IsWindowEnabled
GetWindowLongA
MessageBeep
DefWindowProcA
GetNextDlgGroupItem
MessageBoxA
SetCursor
PostQuitMessage
PostMessageA
EnableWindow
IsIconic
GetSystemMetrics
GetClientRect
DrawIcon
DefDlgProcA
IsWindowUnicode
GetSystemMenu
InflateRect
GetSysColorBrush
PtInRect
GetClassNameA
GetDesktopWindow
LoadCursorA
GrayStringA
DrawTextA
TabbedTextOutA
EndPaint
BeginPaint
GetWindowDC
ClientToScreen
DestroyMenu
LoadStringA
ShowWindow
MoveWindow
SetWindowTextA
IsDialogMessageA
CreateDialogIndirectParamA
CopyAcceleratorTableA
RegisterWindowMessageA

gdi32

ScaleViewportExtEx
SetWindowExtEx
ScaleWindowExtEx
IntersectClipRect
DeleteObject
SetViewportExtEx
GetDeviceCaps
GetViewportExtEx
GetWindowExtEx
CreateSolidBrush
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
GetMapMode
DPtoLP
GetTextColor
GetBkColor
LPtoDP
OffsetViewportOrgEx
SetViewportOrgEx
SetMapMode
SetBkMode
GetStockObject
SelectObject
RestoreDC
SaveDC
DeleteDC
GetObjectA
SetBkColor
SetTextColor
GetClipBox
PatBlt
CreateDIBitmap
GetTextExtentPointA
BitBlt
CreateCompatibleDC
CreateBitmap

comdlg32

GetFileTitleA

winspool.drv

ClosePrinter
DocumentPropertiesA
OpenPrinterA

advapi32

RegCreateKeyExA
RegOpenKeyExA
RegSetValueExA
RegQueryValueExA
RegCloseKey

comctl32

ord17

oledlg

ord8

ole32

CoFreeUnusedLibraries
OleInitialize
CoTaskMemAlloc
CoTaskMemFree
CreateILockBytesOnHGlobal
StgCreateDocfileOnILockBytes
StgOpenStorageOnILockBytes
CoGetClassObject
CLSIDFromString
CLSIDFromProgID
CoRegisterMessageFilter
CoRevokeClassObject
OleFlushClipboard
OleIsCurrentClipboard
OleUninitialize

olepro32

ord253

oleaut32

VariantTimeToSystemTime
SysAllocStringLen
SysFreeString
VariantCopy
VariantChangeType
SysAllocString
SysAllocStringByteLen
SysStringLen
VariantClear

Sections

.text
Size: 136KB - Virtual size: 132KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 56KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

0d08b8b969d804846f65e726f6f1f83d

Headers

File Characteristics

Imports

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

comctl32

oledlg

ole32

olepro32

oleaut32

Sections

.text Size: 136KB - Virtual size: 132KB

.rdata Size: 36KB - Virtual size: 34KB

.data Size: 20KB - Virtual size: 33KB

.rsrc Size: 56KB - Virtual size: 53KB

.text
Size: 136KB - Virtual size: 132KB

.rdata
Size: 36KB - Virtual size: 34KB

.data
Size: 20KB - Virtual size: 33KB

.rsrc
Size: 56KB - Virtual size: 53KB