Static task
static1
Behavioral task
behavioral1
Sample
write.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
write.exe
Resource
win10v2004-20240508-en
General
-
Target
write.exe
-
Size
161KB
-
MD5
5a41f5fc0a6a8a3ddda7f6655c4a715e
-
SHA1
37fe27ff5414ffe9e870642ca060538fc09fdc38
-
SHA256
56c718c83d27ace5eb65e73467a5fbacd6e610b942807fce5d8acbd0e89a66b3
-
SHA512
ce94717ffdde65a148f0f70552a49b8b1ac632f339e6d1dc195a76449bf6aa8d59886d865a7eab8369abd5359cf85825c8d7c4a60171fd20ce06ee7448a71fc5
-
SSDEEP
3072:Q0TASkreznJejS+fSX6g8CRkSw3qClH49g1fbN:HTrrzJejS9hUY6jN
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource write.exe
Files
-
write.exe.exe windows:6 windows x86 arch:x86
e61ab411a453aaeffb2e8bdeb94e0edc
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreateFileA
WriteFile
CloseHandle
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
WideCharToMultiByte
LCMapStringEx
GetStringTypeW
GetCPInfo
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
CreateFileW
RaiseException
RtlUnwind
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapFree
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
HeapAlloc
GetFileType
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
ReadFile
GetFileSizeEx
SetFilePointerEx
ReadConsoleW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetProcessHeap
HeapSize
WriteConsoleW
Sections
.text Size: 112KB - Virtual size: 112KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ