Static task
static1
Behavioral task
behavioral1
Sample
demo_writefile (1).exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
demo_writefile (1).exe
Resource
win10v2004-20230915-en
General
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Target
demo_writefile (1).exe
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Size
682KB
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MD5
b6b916d01e7337dca22e33f1cdc3f8f2
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SHA1
62f9163bf78332405f7cb76e0b09a5903d829e27
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SHA256
c0950a258ec9ed94000c4af3505b267b84859ef340b04b9dc2be44f7bef522b8
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SHA512
065558e66a31af31ccceac751bcf90a910d8322744e17b8372ed78c3ee725cf9cce330de6ae3840136be62a7834856c95fa7f2458d2d86c6f571cc1848c56ae5
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SSDEEP
6144:G/u/PAQ66kYcAw8IfyRn8fZSrqLKVWLLIslwLbLATX4HT5:GwZ1cXyR8fZMOKVWHIrbxHT5
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource demo_writefile (1).exe
Files
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demo_writefile (1).exe.exe windows:6 windows x64
ecdcc63fd8b6606f5e816dea396f8cea
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
kernel32
GetTempPathW
GetModuleHandleW
GetProcAddress
CreateFileW
IsDebuggerPresent
RaiseException
MultiByteToWideChar
WideCharToMultiByte
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
GetStartupInfoW
GetLastError
HeapAlloc
HeapFree
GetProcessHeap
VirtualQuery
FreeLibrary
RtlUnwindEx
InterlockedPushEntrySList
InterlockedFlushSList
GetModuleFileNameW
LoadLibraryExW
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
EncodePointer
RtlPcToFileHeader
RtlUnwind
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
GetCurrentThread
OutputDebugStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetStringTypeW
SetConsoleCtrlHandler
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
HeapSize
HeapReAlloc
CloseHandle
ReadFile
ReadConsoleW
WriteConsoleW
Sections
.text Size: 553KB - Virtual size: 552KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 91KB - Virtual size: 91KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 373B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 1024B - Virtual size: 671B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ