Static task
static1
Behavioral task
behavioral1
Sample
chkntfs.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
chkntfs.exe
Resource
win10v2004-20230703-en
General
-
Target
chkntfs.exe
-
Size
22KB
-
MD5
899ca96bf3ef67bf03808ccd7fc8f8f4
-
SHA1
b23b32225cedb14aa43524ea9e00bdfdd61c6080
-
SHA256
b11778898a18c8a6a24af153743060e1569f443ad73943bc4292eda844c80e2e
-
SHA512
b3e5323de6233833f6116795cb5aa59554eb06390982db06dbbff18a4d4a02a5092a7f34200d659b75cdd0abfa674d9b4bf263a0ba7ec462de3bf9c781d7c96f
-
SSDEEP
384:rOtQXGfBVa0gum5UTpr2QX0iBkNmqmBr0mqzrXm+TO0h2NUWi6W:ytQ4a0nmSTh2Pyqmbqzr3Cta
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource chkntfs.exe
Files
-
chkntfs.exe.exe windows x64
d41bf2f313e9ee8cbb20ef9ad2025250
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
?terminate@@YAXXZ
_commode
_fmode
_initterm
__setusermatherr
_cexit
_exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
__C_specific_handler
exit
ulib
?Initialize@WSTRING@@QEAAEPEBV1@KK@Z
?Initialize@WSTRING@@QEAAEPEBGK@Z
?Initialize@WSTRING@@QEAAEPEBDK@Z
??8WSTRING@@QEBAEAEBV0@@Z
?QueryString@WSTRING@@QEBAPEAV1@KK@Z
??1PROGRAM@@UEAA@XZ
?DisplayMessage@PROGRAM@@UEBAEKW4MESSAGE_TYPE@@PEADZZ
?DisplayMessage@PROGRAM@@UEBAEKW4MESSAGE_TYPE@@@Z
?Fatal@PROGRAM@@UEBAXKKPEADZZ
?Fatal@PROGRAM@@UEBAXXZ
?Strcat@WSTRING@@QEAAEPEBV1@@Z
?GetStandardOutput@PROGRAM@@UEAAPEAVSTREAM@@XZ
?GetStandardError@PROGRAM@@UEAAPEAVSTREAM@@XZ
?Usage@PROGRAM@@UEBAXXZ
?ValidateVersion@PROGRAM@@UEBAXKK@Z
??0PROGRAM@@IEAA@XZ
??0STRING_ARGUMENT@@QEAA@XZ
??1STRING_ARGUMENT@@UEAA@XZ
?Initialize@STRING_ARGUMENT@@QEAAEPEAD@Z
??0ARGUMENT_LEXEMIZER@@QEAA@XZ
??1ARGUMENT_LEXEMIZER@@UEAA@XZ
?Initialize@ARGUMENT_LEXEMIZER@@QEAAEPEAVARRAY@@@Z
?DoParsing@ARGUMENT_LEXEMIZER@@QEAAEPEAVARRAY@@@Z
?PutSeparators@ARGUMENT_LEXEMIZER@@QEAAXPEBD@Z
?PutSwitches@ARGUMENT_LEXEMIZER@@QEAAXPEBD@Z
?PrepareToParse@ARGUMENT_LEXEMIZER@@QEAAEPEAVWSTRING@@@Z
??0PATH@@QEAA@XZ
??1PATH@@UEAA@XZ
?Initialize@PROGRAM@@QEAAEKKK@Z
??0CLASS_DESCRIPTOR@@QEAA@XZ
?GetStandardInput@PROGRAM@@UEAAPEAVSTREAM@@XZ
?Initialize@CLASS_DESCRIPTOR@@QEAAEPEBD@Z
?SetCaseSensitive@ARGUMENT_LEXEMIZER@@QEAAXE@Z
??1OBJECT@@UEAA@XZ
?Compare@OBJECT@@UEBAJPEBV1@@Z
?DebugDump@OBJECT@@UEBAXE@Z
?GetLexeme@ARGUMENT@@QEAAPEAVWSTRING@@XZ
?IsValueSet@ARGUMENT@@QEAAEXZ
??0MULTIPLE_PATH_ARGUMENT@@QEAA@XZ
??1MULTIPLE_PATH_ARGUMENT@@UEAA@XZ
?Initialize@MULTIPLE_PATH_ARGUMENT@@QEAAEPEADEE@Z
?QueryDriveType@SYSTEM@@SA?AW4DRIVE_TYPE@@PEBVWSTRING@@@Z
??0FLAG_ARGUMENT@@QEAA@XZ
?Initialize@FLAG_ARGUMENT@@QEAAEPEAD@Z
??0ARRAY@@QEAA@XZ
??1ARRAY@@UEAA@XZ
?Initialize@ARRAY@@QEAAEKK@Z
?Put@ARRAY@@UEAAEPEAVOBJECT@@@Z
??0LONG_ARGUMENT@@QEAA@XZ
?Initialize@LONG_ARGUMENT@@QEAAEPEAD@Z
??0DSTRING@@QEAA@XZ
??1DSTRING@@UEAA@XZ
?AnalyzePath@PATH@@QEAA?AW4PATH_ANALYZE_CODE@@PEAVWSTRING@@PEAV1@0@Z
ifsutil
??1DP_DRIVE@@UEAA@XZ
??0DP_DRIVE@@QEAA@XZ
?IsFrontEndPresent@AUTOREG@@SAEPEBVWSTRING@@0@Z
?DeleteEntry@AUTOREG@@SAEPEBVWSTRING@@E@Z
?DeleteEntry@AUTOREG@@SAEPEBVWSTRING@@0@Z
?DeleteEntry@AUTOREG@@SAEPEBVWSTRING@@00@Z
?PushEntry@AUTOREG@@SAEPEBVWSTRING@@@Z
??0MOUNT_POINT_MAP@@QEAA@XZ
?IsVolumeDirty@IFS_SYSTEM@@SAEPEAVWSTRING@@PEAE1PEAJ@Z
?QueryIsSystemUEFI@IFS_SYSTEM@@SAEXZ
?QueryCanonicalNtDriveName@IFS_SYSTEM@@SAEPEBVWSTRING@@PEAV2@@Z
?DosDriveNameToNtDriveName@IFS_SYSTEM@@SAEPEBVWSTRING@@PEAV2@@Z
?QueryFileSystemName@IFS_SYSTEM@@SAEPEBVWSTRING@@PEAV2@PEAJ1@Z
??0MOUNT_POINT_TUPLE@@QEAA@XZ
?Initialize@DP_DRIVE@@QEAAEPEBVWSTRING@@PEAVMESSAGE@@EE@Z
??1MOUNT_POINT_MAP@@UEAA@XZ
?Initialize@MOUNT_POINT_MAP@@QEAAEXZ
?AddEntry@AUTOREG@@SAEPEBVWSTRING@@@Z
?SetAutochkTimeOut@VOL_LIODPDRV@@SAEK@Z
?QueryAutochkTimeOut@VOL_LIODPDRV@@SAEPEAK@Z
ntdll
RtlCaptureContext
RtlFreeHeap
RtlAllocateHeap
RtlLookupFunctionEntry
RtlVirtualUnwind
kernel32
GetTickCount
GetSystemTimeAsFileTime
GetCurrentThreadId
GetCurrentProcessId
QueryPerformanceCounter
GetModuleHandleW
UnhandledExceptionFilter
Sleep
HeapSetInformation
GetLastError
GetVersionExW
SetErrorMode
GetCurrentProcess
SetUnhandledExceptionFilter
TerminateProcess
advapi32
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
user32
ExitWindowsEx
Sections
.text Size: 10KB - Virtual size: 9KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 7KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 512B - Virtual size: 276B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 56B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ