esentutl[.]exe

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General

Target

esentutl.exe
Size

323KB
MD5

3f1f860b8b221ad8ea7ddaab9872a366
SHA1

3b9154a3ba804fcfcd059b708d58a142625a82eb
SHA256

1d451eaddfa15b63fd8d931f747bf7a8bfe614b1e7cfcd9f322f4c55a4600a88
SHA512

b5dc8c1759457ac63d4f6e4c7af89aef36df63d4a5e3bbc7e2653c3a4b0580c0d5a3bbb17831a6e59447eaba43707c11440e786ac6706cd5d8688da0bb648f27
SSDEEP

6144:3OrKGG0GqXh0MfNxJd5GL2q2+OrnUquUBwJzfXFLQ1jSvVF0A:3ObG0Jf7t5qGjUquUBwJzfXtijSvL

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
esentutl.exe

Files

esentutl.exe
.exe windows:10 windows x86

71099b51c33e38daa19cd45879503390

Headers

DLL Characteristics

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
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

__iob_func
_getch
wcscat_s
swprintf_s
_wcsupr_s
_wfullpath
strchr
_wcsnicmp
_wtol
_snwscanf_s
__p__commode
printf
_amsg_exit
_wsplitpath_s
__wgetmainargs
_wmakepath_s
wcschr
__set_app_type
_purecall
wcscpy_s
exit
_exit
_cexit
_wcsicmp
__p__fmode
__setusermatherr
_initterm
_lock
_unlock
wprintf
swscanf_s
free
wcstol
memcpy
_vsnwprintf
malloc
_XcptFilter
iswascii
fwprintf
isprint
_vsnprintf
strtoul
strcspn
strrchr
wcsrchr
strstr
iswalpha
wcspbrk
vprintf
_except_handler4_common
_controlfp
?terminate@@YAXXZ
_onexit
__dllonexit
memset

esent

JetBeginSessionW
JetGetSystemParameterW
JetGetErrorInfoW
JetTestHook
JetInit
JetSetSystemParameterW
JetTerm2
JetGetDatabaseFileInfoW
JetSetSystemParameterA
JetEndSession
JetRestore2W
JetGetLogFileInfoW
JetInit4W
JetDBUtilitiesW

api-ms-win-core-file-l1-1-0

GetFileAttributesExW
GetDiskFreeSpaceExW
GetVolumePathNameW
ReadFileScatter
CreateDirectoryW
GetFileInformationByHandle
FlushFileBuffers
SetFileValidData
GetFileAttributesW
SetFileInformationByHandle
WriteFileGather
GetFileSize
SetFilePointerEx
RemoveDirectoryW
WriteFile
ReadFile
GetDriveTypeW
DeleteFileW
CreateFileW
FindClose
GetDiskFreeSpaceW
FindNextFileW
GetFileSizeEx
FindFirstFileW
SetEndOfFile
GetVolumeInformationW

api-ms-win-core-heap-l1-1-0

HeapFree
HeapDestroy
HeapSetInformation
HeapAlloc
GetProcessHeap

api-ms-win-core-io-l1-1-0

PostQueuedCompletionStatus
GetQueuedCompletionStatus
GetOverlappedResult
DeviceIoControl
CreateIoCompletionPort

api-ms-win-core-heap-l2-1-0

LocalAlloc
LocalFree

api-ms-win-core-errorhandling-l1-1-0

GetLastError
SetLastError
UnhandledExceptionFilter
SetUnhandledExceptionFilter

api-ms-win-core-handle-l1-1-0

SetHandleInformation
CloseHandle
DuplicateHandle

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetWindowsDirectoryW
GetVersionExW
GetSystemInfo
GetTickCount
GlobalMemoryStatusEx
GetLocalTime
GetSystemWindowsDirectoryW
GetSystemTime

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleW
LoadLibraryExA
FreeLibrary
GetModuleFileNameW
GetProcAddress
LoadLibraryExW

api-ms-win-core-file-l2-1-0

CopyFileExW
MoveFileExW

api-ms-win-core-processthreads-l1-1-0

TlsSetValue
ResumeThread
GetCurrentThreadId
TlsAlloc
TerminateProcess
TlsGetValue
TlsFree
SetThreadPriority
CreateProcessW
GetCurrentProcessId
GetCurrentThread
GetCurrentProcess
SetThreadPriorityBoost
CreateThread
GetExitCodeThread

api-ms-win-core-synch-l1-2-0

WakeAllConditionVariable
Sleep
SleepConditionVariableSRW

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter
QueryPerformanceFrequency

api-ms-win-core-memory-l1-1-0

VirtualProtect
VirtualAlloc
VirtualQueryEx
MapViewOfFileEx
CreateFileMappingW
VirtualFree
UnmapViewOfFile

api-ms-win-core-synch-l1-1-0

DeleteCriticalSection
ReleaseMutex
InitializeCriticalSectionAndSpinCount
ReleaseSemaphore
CreateEventW
CreateMutexW
EnterCriticalSection
LeaveCriticalSection
WaitForSingleObject
WaitForSingleObjectEx
SetEvent
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
SleepEx

api-ms-win-core-processthreads-l1-1-1

IsProcessorFeaturePresent

api-ms-win-core-localization-l1-2-0

LCMapStringW
FormatMessageW

api-ms-win-core-debug-l1-1-0

OutputDebugStringA
DebugBreak

api-ms-win-core-sysinfo-l1-2-0

GetNativeSystemInfo

api-ms-win-core-timezone-l1-1-0

FileTimeToSystemTime
SystemTimeToTzSpecificLocalTime

api-ms-win-core-datetime-l1-1-0

GetTimeFormatW
GetDateFormatW

api-ms-win-core-file-l1-2-0

GetVolumeNameForVolumeMountPointW

api-ms-win-core-console-l1-1-0

SetConsoleCtrlHandler

api-ms-win-eventing-provider-l1-1-0

EventWriteTransfer
EventRegister
EventUnregister

api-ms-win-core-errorhandling-l1-1-3

SetThreadErrorMode

api-ms-win-core-processtopology-obsolete-l1-1-0

GetProcessAffinityMask

api-ms-win-core-privateprofile-l1-1-0

GetProfileStringW

api-ms-win-core-threadpool-legacy-l1-1-0

DeleteTimerQueueEx

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

Sections

.text
Size: 288KB - Virtual size: 288KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 8B

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: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

71099b51c33e38daa19cd45879503390

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

esent

api-ms-win-core-file-l1-1-0

api-ms-win-core-heap-l1-1-0

api-ms-win-core-io-l1-1-0

api-ms-win-core-heap-l2-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-file-l2-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-memory-l1-1-0

api-ms-win-core-synch-l1-1-0

api-ms-win-core-processthreads-l1-1-1

api-ms-win-core-localization-l1-2-0

api-ms-win-core-debug-l1-1-0

api-ms-win-core-sysinfo-l1-2-0

api-ms-win-core-timezone-l1-1-0

api-ms-win-core-datetime-l1-1-0

api-ms-win-core-file-l1-2-0

api-ms-win-core-console-l1-1-0

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-errorhandling-l1-1-3

api-ms-win-core-processtopology-obsolete-l1-1-0

api-ms-win-core-privateprofile-l1-1-0

api-ms-win-core-threadpool-legacy-l1-1-0

api-ms-win-core-delayload-l1-1-0

Sections

.text Size: 288KB - Virtual size: 288KB

.data Size: 7KB - Virtual size: 11KB

.idata Size: 7KB - Virtual size: 6KB

.didat Size: 512B - Virtual size: 8B

.rsrc Size: 2KB - Virtual size: 1KB

.reloc Size: 17KB - Virtual size: 16KB

.text
Size: 288KB - Virtual size: 288KB

.data
Size: 7KB - Virtual size: 11KB

.idata
Size: 7KB - Virtual size: 6KB

.didat
Size: 512B - Virtual size: 8B

.rsrc
Size: 2KB - Virtual size: 1KB

.reloc
Size: 17KB - Virtual size: 16KB