Static task
static1
Behavioral task
behavioral1
Sample
fsutil.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
fsutil.exe
Resource
win10v2004-20231023-en
General
-
Target
fsutil.exe
-
Size
133KB
-
MD5
7344d720c61bd5028b5c521b6acda95d
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SHA1
c502e88751ce0554553f4969997fe2f5547faefa
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SHA256
1a988d562a72325c0e97e4be05fb311e052e12a095387754fed02b446b032a1a
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SHA512
6d4148b3e7079ddc57d3b2bd5e90c4d1326cc817ebc95ae7fddb446d2d28e011f78e62e1c1ec21d60c3984e6f041f16dac4f4720c2c2387f97bce1e074acb899
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SSDEEP
3072:4Cyz+KlW+RInMlyfGt+1mlhHLYAHhAWqqkzL6ZqnEBcD3rYF4ZXTPou:4hW+RInMlyfGt+1mlRLYAHhAWqTzUBco
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource fsutil.exe
Files
-
fsutil.exe.exe windows:6 windows x64
99453c7f66c01631702c7009e070a3d6
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
msvcrt
_wcsicmp
_vsnwprintf
calloc
isalpha
setlocale
toupper
isdigit
wcscat_s
wcsrchr
_wtoi
towupper
realloc
wcscpy_s
wprintf
wcsncpy_s
_wcsdup
exit
_errno
iswctype
wcstoul
_wcstoui64
_XcptFilter
_amsg_exit
__wgetmainargs
__set_app_type
_exit
_cexit
__setusermatherr
_initterm
swprintf_s
free
malloc
memcpy_s
_wcsnicmp
__C_specific_handler
_fmode
_commode
?terminate@@YAXXZ
memset
memcpy
wcschr
wcscmp
ntdll
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
RtlVerifyVersionInfo
RtlLookupElementGenericTableAvl
RtlInsertElementGenericTableAvl
RtlInitializeGenericTableAvl
NtSetInformationFile
RtlNtStatusToDosError
VerSetConditionMask
RtlTimeToTimeFields
RtlStringFromGUID
NtEnumerateTransactionObject
RtlGetOwnerSecurityDescriptor
RtlAllocateHeap
NtQuerySecurityObject
RtlFreeUnicodeString
RtlConvertSidToUnicodeString
NtCreateFile
RtlFreeHeap
RtlDosPathNameToNtPathName_U
RtlSetCurrentTransaction
RtlGetCurrentTransaction
NtSetQuotaInformationFile
NtQueryQuotaInformationFile
RtlLengthSid
NtSetVolumeInformationFile
NtOpenFile
RtlInitUnicodeString
NtQueryVolumeInformationFile
NtQueryInformationFile
NtClose
RtlInitializeCriticalSection
api-ms-win-core-console-l1-1-0
GetConsoleMode
WriteConsoleW
GetConsoleOutputCP
SetConsoleCtrlHandler
api-ms-win-core-datetime-l1-1-1
GetTimeFormatW
GetDateFormatW
api-ms-win-core-errorhandling-l1-1-1
GetLastError
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter
api-ms-win-core-file-l1-2-1
CreateFileW
QueryDosDeviceW
SetFilePointerEx
SetEndOfFile
DeleteFileW
GetFinalPathNameByHandleW
GetLogicalDriveStringsW
GetDriveTypeW
GetVolumeInformationW
FindClose
FindFirstFileW
GetFileAttributesW
GetFullPathNameW
GetVolumePathNameW
GetVolumeNameForVolumeMountPointW
WriteFile
FindNextFileW
GetTempPathW
GetTempFileNameW
GetFileSizeEx
GetFileType
GetFileInformationByHandle
GetDiskFreeSpaceExW
CreateDirectoryW
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-io-l1-1-1
DeviceIoControl
api-ms-win-core-libraryloader-l1-2-0
GetProcAddress
FreeLibrary
GetModuleHandleW
api-ms-win-core-registry-l1-1-0
RegEnumValueW
RegSetValueExW
RegCloseKey
RegQueryValueExW
RegOpenKeyExW
RegEnumKeyExW
api-ms-win-core-processenvironment-l1-2-0
GetCurrentDirectoryW
GetStdHandle
ExpandEnvironmentStringsW
api-ms-win-core-processthreads-l1-1-2
CreateProcessW
GetCurrentProcess
OpenProcessToken
TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-string-l1-1-0
WideCharToMultiByte
api-ms-win-core-sysinfo-l1-2-1
GetWindowsDirectoryW
GetSystemInfo
GetVersionExW
GetSystemDirectoryW
GetSystemTimeAsFileTime
GetTickCount
api-ms-win-security-base-l1-2-0
AdjustTokenPrivileges
AllocateAndInitializeSid
CheckTokenMembership
FreeSid
api-ms-win-security-lsalookup-l1-1-1
LookupAccountNameLocalW
LookupAccountSidLocalW
ktmw32
CommitTransaction
RollbackTransaction
OpenTransaction
GetTransactionInformation
ole32
CoTaskMemFree
StringFromIID
StringFromGUID2
IIDFromString
kernel32
GetComputerNameW
LocalFree
SystemTimeToTzSpecificLocalTime
HeapAlloc
HeapFree
GetProcessHeap
GetVolumePathNamesForVolumeNameW
WaitForSingleObject
DelayLoadFailureHook
ResolveDelayLoadedAPI
FileTimeToSystemTime
SetThreadUILanguage
HeapSetInformation
FindNextFileNameW
FindFirstFileNameW
CreateHardLinkW
FormatMessageW
OpenFileById
GetFileInformationByHandleEx
Sleep
LoadLibraryW
Sections
.text Size: 113KB - Virtual size: 112KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 5KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.didat Size: 512B - Virtual size: 128B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 900B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ