Static task
static1
Behavioral task
behavioral1
Sample
Update.exe
Resource
win10v2004-20240426-en
General
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Target
Update.exe
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Size
668KB
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MD5
90e979543d8cf873a98fae0185d5e254
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SHA1
d95a5ba50efa3347b15172d2d8c93c30d8f36d48
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SHA256
b95148a58a6592f902b2f02cbd3cbe8441462e8b9f733385ab1f04bbe7c3b4bb
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SHA512
8270104b3d27231fd1b4b93a12a8877bf61715b62c2a5843be4141c0ba14dd48056793cd8a5d5cb7cc71bf89a8583f4c72380b6a6d5f21a6c4819bf3b90d7219
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SSDEEP
12288:aGwxOzu2T/5sVroNw1pk8XUeido7+uP+qgM9ihYQQp4zV8i5i:5w0zH5sV0NAkNWPlnAYQzV8i5
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Update.exe
Files
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Update.exe.exe windows:4 windows x86 arch:x86
abcd90f1a5f375f861b9af243a6e0533
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
CreateProcessA
GetCommandLineA
GetModuleFileNameA
GetStartupInfoA
SetEnvironmentVariableA
GetEnvironmentVariableA
ReleaseMutex
Sleep
WaitForSingleObject
CreateMutexA
OpenMutexA
GetCurrentProcessId
CreateThread
GetCurrentThreadId
GetTickCount
CloseHandle
VirtualQueryEx
FindClose
FindFirstFileA
FindFirstFileW
GetModuleFileNameW
GetExitCodeProcess
ContinueDebugEvent
SetThreadContext
ReadProcessMemory
GetThreadContext
WaitForDebugEvent
FreeConsole
SuspendThread
DebugActiveProcess
ResumeThread
CreateProcessW
GetCommandLineW
GetStartupInfoW
MapViewOfFile
GetCurrentThread
GetCurrentProcess
CreateFileMappingA
VirtualProtectEx
ExitProcess
CompareStringA
FlushFileBuffers
LCMapStringW
LCMapStringA
SetStdHandle
GetOEMCP
GetACP
GetCPInfo
GetStringTypeW
GetStringTypeA
MultiByteToWideChar
SetFilePointer
IsBadCodePtr
CompareStringW
SetUnhandledExceptionFilter
HeapReAlloc
WriteFile
VirtualFree
HeapCreate
HeapDestroy
GetFileType
GetStdHandle
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
WideCharToMultiByte
FreeEnvironmentStringsW
FreeEnvironmentStringsA
UnhandledExceptionFilter
HeapFree
HeapAlloc
SetThreadPriority
GetVersionExA
WriteProcessMemory
SetLastError
LoadLibraryA
GetLastError
GetProcAddress
VirtualAlloc
VirtualProtect
DuplicateHandle
GetModuleHandleA
RtlUnwind
TerminateProcess
GetTimeZoneInformation
GetSystemTime
GetLocalTime
GetVersion
user32
GetDesktopWindow
MoveWindow
SetPropA
EnumThreadWindows
GetPropA
WaitForInputIdle
GetMessageA
PeekMessageA
TranslateMessage
DispatchMessageA
DefWindowProcA
KillTimer
BeginPaint
EndPaint
LoadCursorA
RegisterClassA
GetAsyncKeyState
CreateWindowExA
SetTimer
PostMessageA
IsWindow
SetWindowTextA
GetDlgItem
CreateDialogIndirectParamA
ShowWindow
UpdateWindow
LoadStringA
LoadStringW
FindWindowA
SendMessageA
DestroyWindow
MessageBoxA
GetSystemMetrics
gdi32
SelectObject
BitBlt
DeleteObject
CreatePalette
CreateDCA
SelectPalette
RealizePalette
CreateDIBitmap
DeleteDC
CreateCompatibleDC
Sections
.text Size: - Virtual size: 539KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 89KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 86KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text1 Size: 100KB - Virtual size: 128KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.adata Size: 20KB - Virtual size: 64KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data1 Size: 36KB - Virtual size: 128KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 480KB - Virtual size: 512KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ