YKTClient[.]dll

Sharing

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General

Target

YKTClient.dll
Size

163KB
MD5

3a2f9d99b0b4ecfaf3e920d8c394ce44
SHA1

a3fe230e2fdddab6a2ab30282295b262763792b4
SHA256

80472fcb1eb75cb51577bff892b15e7df45d9bb4fc5b4933b840494213ede18d
SHA512

ef45311f9935fa2d718abe4b2a58ccf43ab48baf2d76760bced7585d238b9340831ff162ad48d1cc923f781ce1207c58769c670e3b82df1a39eb1603460e9a05
SSDEEP

3072:G3WKrD2qBA2B1ONnVY7/Oe3vLFpxPAlrEcx2DM3nC9rgE:GhrDvBAWeV2rcDurv

Score

1^/10

Malware Config

Signatures

Files

YKTClient.dll
.dll windows:4 windows x86 arch:x86

4cf699412294728dd916bb02fb575e42

Code Sign

6e:a1:d4:94:5f:0e:69:e9:d6:f1:48:2c:58:6a:71:af
Certificate

Issuer

CN=Certum Trusted Network CA,OU=Certum Certification Authority,O=Unizeto Technologies S.A.,C=PL

Not Before

17/04/2018, 08:20

Not After

18/05/2027, 08:20

Subject

CN=WoTrus Code Signing CA,O=WoTrus CA Limited,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

74:c9:0c:43:bb:5a:ba:7a:d3:64:6a:e3:a6:9e:c4:52
Certificate

Issuer

CN=WoTrus Code Signing CA,O=WoTrus CA Limited,C=CN

Not Before

17/05/2019, 08:43

Not After

16/06/2020, 08:43

Subject

CN=易联众智能（厦门）科技有限公司,O=易联众智能（厦门）科技有限公司,L=厦门市,ST=福建省,C=CN

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

02/05/2019, 00:00

Not After

01/08/2030, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #1,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

69:9d:eb:5b:fd:11:5b:df:ee:92:a0:b0:cd:5c:67:da:51:08:43:20:89:fa:ba:6c:11:39:bc:93:ea:07:8e:71
Signer

Actual PE Digest

69:9d:eb:5b:fd:11:5b:df:ee:92:a0:b0:cd:5c:67:da:51:08:43:20:89:fa:ba:6c:11:39:bc:93:ea:07:8e:71

Digest Algorithm

sha256

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

h:\0 对外发布的版本\读卡器\5 YKTClient\02 V2.0.0.7 增加debug调试版本\YKTClient\Release\YKTClient.pdb

Imports

kernel32

GetCPInfo
GetOEMCP
HeapAlloc
HeapFree
VirtualProtect
VirtualAlloc
GetSystemInfo
VirtualQuery
RtlUnwind
ExitProcess
GetCommandLineA
TerminateProcess
HeapSize
HeapReAlloc
HeapDestroy
HeapCreate
VirtualFree
IsBadWritePtr
GetTickCount
GetCurrentProcessId
GetSystemTimeAsFileTime
SetHandleCount
GetStdHandle
GetFileType
GetStartupInfoA
FreeEnvironmentStringsA
GetEnvironmentStrings
FreeEnvironmentStringsW
GetEnvironmentStringsW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
IsBadReadPtr
IsBadCodePtr
SetStdHandle
GetCurrentProcess
FlushFileBuffers
SetFilePointer
WriteFile
ReadFile
GlobalGetAtomNameA
GlobalFindAtomA
lstrcmpW
GlobalFlags
WritePrivateProfileStringA
InterlockedIncrement
RaiseException
SetErrorMode
lstrcatA
InterlockedDecrement
TlsFree
DeleteCriticalSection
LocalReAlloc
TlsSetValue
TlsAlloc
InitializeCriticalSection
TlsGetValue
EnterCriticalSection
GlobalHandle
GlobalReAlloc
LeaveCriticalSection
LocalAlloc
CloseHandle
GlobalAddAtomA
GetCurrentThread
GetCurrentThreadId
GlobalDeleteAtom
lstrcmpA
GetModuleFileNameA
GetModuleHandleA
ConvertDefaultLocale
EnumResourceLanguagesA
SetLastError
GlobalFree
FindResourceA
LoadResource
LockResource
SizeofResource
GlobalAlloc
GlobalLock
GlobalUnlock
FormatMessageA
lstrcpynA
LocalFree
lstrcpyA
LoadLibraryA
GetProcAddress
FreeLibrary
lstrlenA
lstrcmpiA
GetVersion
GetLastError
WideCharToMultiByte
MultiByteToWideChar
GetVersionExA
GetThreadLocale
GetLocaleInfoA
GetACP
QueryPerformanceCounter
InterlockedExchange

user32

RegisterWindowMessageA
WinHelpA
GetCapture
CreateWindowExA
GetClassLongA
GetClassInfoExA
SetPropA
GetPropA
RemovePropA
GetForegroundWindow
GetTopWindow
DestroyWindow
GetMessageTime
GetMessagePos
LoadIconA
MapWindowPoints
SetForegroundWindow
GetClientRect
GetMenu
AdjustWindowRectEx
GetClassInfoA
RegisterClassA
DefWindowProcA
CallWindowProcA
SystemParametersInfoA
IsIconic
GetWindowPlacement
CopyRect
SetWindowPos
ShowWindow
SetWindowLongA
GetDlgItem
GrayStringA
DrawTextExA
DrawTextA
TabbedTextOutA
ClientToScreen
GetWindow
GetDlgCtrlID
GetWindowRect
PtInRect
GetWindowTextA
GetSubMenu
GetMenuItemCount
SetWindowTextA
GetClassNameA
wsprintfA
LoadCursorA
GetSystemMetrics
GetDC
ReleaseDC
GetSysColor
GetSysColorBrush
UnregisterClassA
UnhookWindowsHookEx
SetMenuItemBitmaps
GetFocus
ModifyMenuA
DestroyMenu
GetMenuItemID
GetMenuState
PostQuitMessage
PostMessageA
SetCursor
SendMessageA
EnableWindow
IsWindowEnabled
GetLastActivePopup
GetWindowLongA
GetParent
MessageBoxA
ValidateRect
GetCursorPos
PeekMessageA
EnableMenuItem
CheckMenuItem
GetMenuCheckMarkDimensions
LoadBitmapA
SetWindowsHookExA
CallNextHookEx
GetMessageA
TranslateMessage
DispatchMessageA
GetActiveWindow
IsWindowVisible
GetKeyState

gdi32

DeleteDC
ExtTextOutA
GetStockObject
ScaleWindowExtEx
SetWindowExtEx
ScaleViewportExtEx
SetViewportExtEx
OffsetViewportOrgEx
SetViewportOrgEx
SelectObject
GetDeviceCaps
TextOutA
RectVisible
PtVisible
GetClipBox
SetMapMode
SetTextColor
SetBkColor
RestoreDC
SaveDC
DeleteObject
CreateBitmap
Escape

winspool.drv

OpenPrinterA
DocumentPropertiesA
ClosePrinter

advapi32

RegEnumKeyA
RegSetValueExA
RegCreateKeyExA
RegQueryValueA
RegCloseKey
RegDeleteKeyA
RegOpenKeyExA
RegQueryValueExA
RegOpenKeyA

comctl32

ord17

shlwapi

PathFindExtensionA
PathFindFileNameA

oleaut32

VariantClear
VariantChangeType
VariantInit

Exports

Exports

YLZ_ReadopenIDcard
ykt_GetCardType_4428
ykt_GetopenCardType_4428
ykt_changeformal
ykt_changeformalchild
ykt_changeopenformal
ykt_changeopenformalchild
ykt_closecard
ykt_getxmnewcardno
ykt_opencard
ykt_readcardinfo
ykt_readcardno
ykt_readinitcardno
ykt_readopencardinfo
ykt_readopencardno
ykt_readopeninitcardno
ykt_writeformal
ykt_writeopenformal
ykt_writeopentemp
ykt_writetemp

Sections

.text
Size: 88KB - Virtual size: 84KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 24KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 8KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 16KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4cf699412294728dd916bb02fb575e42

Code Sign

6e:a1:d4:94:5f:0e:69:e9:d6:f1:48:2c:58:6a:71:afCertificate

Extended Key Usages

Key Usages

74:c9:0c:43:bb:5a:ba:7a:d3:64:6a:e3:a6:9e:c4:52Certificate

Extended Key Usages

Key Usages

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08Certificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

69:9d:eb:5b:fd:11:5b:df:ee:92:a0:b0:cd:5c:67:da:51:08:43:20:89:fa:ba:6c:11:39:bc:93:ea:07:8e:71Signer

Headers

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

winspool.drv

advapi32

comctl32

shlwapi

oleaut32

Exports

Exports

Sections

.text Size: 88KB - Virtual size: 84KB

.rdata Size: 24KB - Virtual size: 22KB

.data Size: 8KB - Virtual size: 20KB

.rsrc Size: 16KB - Virtual size: 14KB

.reloc Size: 16KB - Virtual size: 15KB

6e:a1:d4:94:5f:0e:69:e9:d6:f1:48:2c:58:6a:71:af
Certificate

74:c9:0c:43:bb:5a:ba:7a:d3:64:6a:e3:a6:9e:c4:52
Certificate

3d:1a:35:72:30:15:82:63:30:d0:13:71:7e:82:41:08
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

69:9d:eb:5b:fd:11:5b:df:ee:92:a0:b0:cd:5c:67:da:51:08:43:20:89:fa:ba:6c:11:39:bc:93:ea:07:8e:71
Signer

.text
Size: 88KB - Virtual size: 84KB

.rdata
Size: 24KB - Virtual size: 22KB

.data
Size: 8KB - Virtual size: 20KB

.rsrc
Size: 16KB - Virtual size: 14KB

.reloc
Size: 16KB - Virtual size: 15KB