Static task
static1
Behavioral task
behavioral1
Sample
Update.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
Update.exe
Resource
win11-20241007-en
General
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Target
Update.exe
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Size
52.4MB
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MD5
3dde547165feb16f555c7ef43b5e079f
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SHA1
c942d3518b4eeebdfe57e134d1c5f469ef5d4b7d
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SHA256
eb398cb2d9d727ff94edd6aea84de0d189c534d95455a27d427638a226f6d938
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SHA512
5b5269b5cc8b46791a910212a2a0e5b1e33e64887f63ffb7ee5d6c2d646548d88d2561965b9d85c67c155ad0507d9b705dece9b4d91f6eec3b189b07312c3f12
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SSDEEP
1572864:UtQucBzdoArq05SEk1AC4TvA3aRa7ekkA8w8:+UmAW08AC4TvAmsekJ8
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Update.exe
Files
-
Update.exe.exe windows:6 windows x64 arch:x64
259c038cd4434231e0e24f278026a0ea
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
shell32
SHFileOperationW
SHGetFolderPathW
CommandLineToArgvW
kernel32
SetLastError
WriteConsoleW
HeapReAlloc
CreateDirectoryW
SizeofResource
SetConsoleCtrlHandler
GetCommandLineW
GetStdHandle
WriteFile
TerminateProcess
GetModuleFileNameW
SetEnvironmentVariableW
GetTempPathW
FindResourceA
WaitForSingleObject
CreateFileW
GetFileAttributesW
Sleep
GetLastError
LockResource
CloseHandle
LoadResource
GetProcAddress
GetCurrentProcessId
CreateProcessW
WideCharToMultiByte
GetSystemTimeAsFileTime
FormatMessageA
GetExitCodeProcess
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
HeapSize
RtlUnwindEx
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
EncodePointer
RaiseException
RtlPcToFileHeader
ExitProcess
GetModuleHandleExW
GetCommandLineA
HeapAlloc
MultiByteToWideChar
HeapFree
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
GetProcessHeap
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
Sections
.text Size: 127KB - Virtual size: 127KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 147KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 500B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 52.2MB - Virtual size: 52.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ