KMSTools[.]exe

Sharing

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General

Target

KMSTools.exe
Size

45.3MB
MD5

e8d4d1c773c636cb26b360fe18bdb521
SHA1

1804e734b9378f14b43eed7ff32108256e5a525d
SHA256

f3c3ebd3478dde7b1029baa05ed491a13e9f16f0329c1caca7a864128bc04c81
SHA512

c1d96efe5780b0c9479ffe0bdddb7666578234444c634f0149986d56d1b80eaa98c91cc2626e88f56d46b22e2b761cdbb1f832725185190dee66259dbb8499cc
SSDEEP

786432:S56Y8M4HICrUcMYx+y8lnyuamC4kpNOCp4h5fDhBMQU1G/vghdLnyAanPho:S561M4HIgBK4Npp4hZho1lh0AQW

Score

10^/10

Malware Config

Signatures

Nirsoft 1 IoCs

resource	yara_rule
sample	Nirsoft

Files

KMSTools.exe
.exe windows:4 windows x86 arch:x86

1cada5202468fbf4df290cac5b109566

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

Issuer

CN=WZTeam

Not Before

02/11/2016, 18:47

Not After

31/12/2039, 23:59

Subject

CN=WZTeam

Extended Key Usages

ExtKeyUsageCodeSigning

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

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

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=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

f1:e6:ab:06:de:b3:3d:70:6b:c0:28:42:d9:ea:f6:f6:2a:ad:a5:c4:11:ba:7f:01:39:73:c6:a6:8c:3b:79:d3
Signer

Actual PE Digest

f1:e6:ab:06:de:b3:3d:70:6b:c0:28:42:d9:ea:f6:f6:2a:ad:a5:c4:11:ba:7f:01:39:73:c6:a6:8c:3b:79:d3

Digest Algorithm

sha256

PE Digest Matches

true

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

msvcrt

memset
wcsncpy
memcpy
log10
_wfopen
fseek
fclose
malloc
free
memmove
strncmp
isdigit
wcscmp
wcslen
wcscpy
wcscat
memcmp
_stricmp
sprintf
strcpy
sscanf
strlen
strcat
strncpy
wcsstr
tolower
fread
longjmp
_setjmp3
ftell
_wcsicmp
wcsncmp
_snwprintf
floor
gmtime
localtime
mktime
_wcsnicmp
_itow
cos
fmod
sin
abs
fabs
ceil
pow
??3@YAXPAX@Z
_wcsdup
frexp
modf
_CIpow
fopen
_errno
strerror
abort
atof
fflush
fwrite
exit
__p__iob
fprintf
ferror
getenv
calloc
_close
_setmode
_fdopen
_open
realloc
_vsnwprintf

kernel32

GetModuleHandleW
HeapCreate
GetEnvironmentVariableW
GetUserDefaultLangID
CreateSemaphoreW
GetLastError
CloseHandle
HeapDestroy
ExitProcess
GetCurrentThreadId
Sleep
SystemTimeToFileTime
LocalFileTimeToFileTime
FindResourceW
LoadResource
LockResource
SizeofResource
CreateToolhelp32Snapshot
GetLogicalDriveStringsW
QueryDosDeviceW
FileTimeToLocalFileTime
FileTimeToSystemTime
ExpandEnvironmentStringsW
GetCurrentProcess
GetSystemDefaultLangID
MultiByteToWideChar
GetProcAddress
CreateRemoteThread
WaitForSingleObject
GetExitCodeThread
GetCurrentProcessId
OpenProcess
FormatMessageW
GetVolumeInformationW
FindFirstFileW
FindNextFileW
FindClose
WideCharToMultiByte
BeginUpdateResourceW
UpdateResourceW
EndUpdateResourceW
CreateProcessW
Beep
CreateFileW
DeviceIoControl
GetCommandLineW
GetComputerNameW
GetDateFormatW
GetDiskFreeSpaceExW
GetExitCodeProcess
GetFileTime
GetPrivateProfileStringW
GetShortPathNameW
GetSystemDirectoryW
GetSystemPowerStatus
GetTimeZoneInformation
GetUserDefaultLCID
GetWindowsDirectoryW
GlobalMemoryStatus
LocalFree
Process32FirstW
Process32NextW
QueryPerformanceCounter
QueryPerformanceFrequency
SetComputerNameW
SetFileTime
SetSystemTime
SetVolumeLabelW
TerminateProcess
WritePrivateProfileStringW
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
CreateThread
HeapAlloc
HeapFree
FreeLibrary
LoadLibraryW
GetModuleFileNameW
DuplicateHandle
CreatePipe
GetStdHandle
PeekNamedPipe
SetEnvironmentVariableW
ReadFile
HeapReAlloc
GetFileSize
SetFilePointer
SetEndOfFile
WriteFile
TlsAlloc
TlsSetValue
GetTickCount
TlsGetValue
DeleteFileW
GetVersionExW
SetLastError
GetTempPathW
GetDriveTypeW
GetFileAttributesW
SetFileAttributesW
MoveFileW
CreateDirectoryW
RemoveDirectoryW
GetCurrentDirectoryW
SetCurrentDirectoryW
CopyFileW
MulDiv
GetLocalTime
GlobalFree
GlobalAlloc
HeapSize
TlsFree
DeleteCriticalSection
InterlockedCompareExchange
InterlockedExchange
UnregisterWait
GetCurrentThread
RegisterWaitForSingleObject

user32

RegisterWindowMessageW
GetKeyState
SendMessageW
ShowWindow
SetForegroundWindow
SetTimer
GetClassNameW
CallNextHookEx
SetWindowsHookExW
UnhookWindowsHookEx
GetCursorPos
WindowFromPoint
SetClassLongW
PeekMessageW
TranslateMessage
DispatchMessageW
KillTimer
ReleaseDC
OemToCharW
EnumWindows
GetWindowThreadProcessId
FindWindowExW
FindWindowW
GetForegroundWindow
SetCursorPos
AnimateWindow
AttachThreadInput
BlockInput
ChangeDisplaySettingsW
CharToOemW
CreateWindowExW
DrawMenuBar
EnableMenuItem
EnableWindow
EnumDisplaySettingsW
ExitWindowsEx
FlashWindow
GetDC
GetDesktopWindow
GetFocus
GetLastInputInfo
GetSysColor
GetSystemMenu
GetSystemMetrics
GetWindow
GetWindowLongW
GetWindowRect
GetWindowTextW
InvalidateRect
IsWindow
IsWindowEnabled
LoadCursorW
LockWorkStation
MessageBeep
PostMessageW
RegisterHotKey
RemoveMenu
SetFocus
SetWindowLongW
SetWindowPos
UnregisterHotKey
UpdateLayeredWindow
UpdateWindow
WaitForInputIdle
keybd_event
mouse_event
SetWindowRgn
SetWindowLongA
SetClassLongA
GetClientRect
CallWindowProcA
DefWindowProcA
DestroyIcon
CreateIconIndirect
LoadIconW
RegisterClassExW
BeginPaint
EndPaint
DefWindowProcW
MessageBoxW
IsWindowVisible
SetMenu
DestroyMenu
DrawStateW
GetIconInfo
DrawIconEx
SystemParametersInfoW
DrawTextW
GetMenuItemCount
GetSubMenu
GetPropW
GetMenu
GetMenuItemInfoW
ModifyMenuW
SetMenuItemInfoW
GetSysColorBrush
FillRect
FrameRect
CallWindowProcW
SetPropW
CreateMenu
AppendMenuW
CreatePopupMenu
TrackPopupMenu
DestroyWindow
ClipCursor
RedrawWindow
GetMessagePos
ScreenToClient
ChildWindowFromPointEx
SetCursor
GetCapture
ReleaseCapture
MapWindowPoints
SetCapture
DrawFocusRect
ValidateRect
GetWindowTextLengthW
GetParent
MoveWindow
ClientToScreen
SetWindowTextW
RemovePropW
SetScrollPos
InflateRect
GetWindowDC
SetActiveWindow
IsZoomed
IsIconic
RegisterClassW
AdjustWindowRectEx
UnregisterClassW
CreateAcceleratorTableW
MsgWaitForMultipleObjects
GetMessageW
GetActiveWindow
TranslateAcceleratorW
DefFrameProcW
DestroyAcceleratorTable
SetRect
EnumChildWindows
IsChild
CopyImage
CreateIconFromResourceEx
CreateIconFromResource
CharUpperW
CharLowerW

gdi32

GetStockObject
CreateDCW
CreateCompatibleDC
CreateCompatibleBitmap
SelectObject
BitBlt
DeleteDC
GetDIBits
GetPixel
SetDIBits
DeleteObject
GetObjectA
CreateRectRgn
CombineRgn
GetObjectType
GetObjectW
SetPixel
SetBkMode
LineTo
MoveToEx
GetTextExtentPoint32W
CreateSolidBrush
SetBkColor
SetTextColor
CreatePen
CreateFontIndirectW
CreateDIBSection
GdiGetBatchLimit
GdiSetBatchLimit
SelectClipRgn
ExcludeClipRect
CreateRectRgnIndirect
GetClipRgn
ExtSelectClipRgn
GetDeviceCaps
SetTextAlign
TextOutW
SetStretchBltMode
SetBrushOrgEx
StretchBlt
GetTextMetricsW
CreateBitmap
CreateFontW

advapi32

OpenSCManagerW
OpenServiceW
CloseServiceHandle
RegOpenKeyExW
RegOpenKeyW
RegConnectRegistryW
RegQueryValueExW
RegCloseKey
RegDeleteKeyW
RegSetValueExW
RegCreateKeyExW
LookupAccountNameW
IsValidSid
RegEnumKeyExW
RegDeleteValueW
RegCreateKeyW
AdjustTokenPrivileges
ChangeServiceConfigW
ControlService
CryptAcquireContextW
CryptCreateHash
CryptDeriveKey
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptHashData
CryptReleaseContext
GetUserNameW
ImpersonateLoggedOnUser
LogonUserW
LookupPrivilegeValueW
OpenProcessToken
QueryServiceStatus
RegEnumValueW
RevertToSelf
StartServiceW

oleaut32

SafeArrayGetDim
SafeArrayGetUBound
SafeArrayGetElement

shell32

ExtractIconW
SHGetSpecialFolderLocation
SHGetPathFromIDListW
ExtractIconExW
ord66
ord524
SHAddToRecentDocs
SHFileOperationW
SHFormatDrive
SHGetFileInfoW
ShellAboutW
Shell_NotifyIconW
ShellExecuteExW

ole32

CoInitialize
CoCreateInstance
CoUninitialize
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoCreateGuid
StringFromGUID2
RevokeDragDrop

ws2_32

WSAStartup
gethostbyname
WSACleanup
gethostbyaddr
inet_addr
closesocket
gethostname
htons
select
__WSAFDIsSet
ioctlsocket
recvfrom
socket
bind
connect
recv

winmm

timeBeginPeriod

gdiplus

GdipDeleteFont
GdipDeleteGraphics
GdipDeletePath
GdipDeleteMatrix
GdipDeletePen
GdipDeleteStringFormat
GdipFree
GdipGetDpiX
GdipGetDpiY

icmp

IcmpCloseHandle
IcmpCreateFile
IcmpSendEcho

imagehlp

MakeSureDirectoryPathExists

iphlpapi

GetAdaptersInfo
GetNetworkParams

msi

ord45
ord70

netapi32

NetApiBufferFree
NetLocalGroupAdd
NetLocalGroupDel
NetLocalGroupEnum
NetUserDel
NetUserGetInfo
NetUserSetInfo

setupapi

SetupIterateCabinetW

urlmon

URLDownloadToFileW
UrlMkSetSessionOption

userenv

GetDefaultUserProfileDirectoryW

wininet

DeleteUrlCacheEntryW
InternetCloseHandle
InternetGetConnectedState
InternetOpenUrlW
InternetOpenW
InternetReadFile
UnlockUrlCacheEntryFileW

winspool.drv

ClosePrinter
DeletePrinter
OpenPrinterW
SetPrinterW

comctl32

InitCommonControlsEx
_TrackMouseEvent

Sections

.code
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.text
Size: 472KB - Virtual size: 471KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 120KB - Virtual size: 119KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 44.6MB - Virtual size: 44.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 105KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1cada5202468fbf4df290cac5b109566

Code Sign

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9eCertificate

Extended Key Usages

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

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

f1:e6:ab:06:de:b3:3d:70:6b:c0:28:42:d9:ea:f6:f6:2a:ad:a5:c4:11:ba:7f:01:39:73:c6:a6:8c:3b:79:d3Signer

Headers

File Characteristics

Imports

msvcrt

kernel32

user32

gdi32

advapi32

oleaut32

shell32

ole32

ws2_32

winmm

gdiplus

icmp

imagehlp

iphlpapi

msi

netapi32

setupapi

urlmon

userenv

wininet

winspool.drv

comctl32

Sections

.code Size: 65KB - Virtual size: 64KB

.text Size: 472KB - Virtual size: 471KB

.rdata Size: 120KB - Virtual size: 119KB

.data Size: 44.6MB - Virtual size: 44.6MB

.rsrc Size: 105KB - Virtual size: 105KB

75:3e:5c:ef:ec:b6:3d:75:b2:cc:6b:83:03:2f:89:9e
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

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

f1:e6:ab:06:de:b3:3d:70:6b:c0:28:42:d9:ea:f6:f6:2a:ad:a5:c4:11:ba:7f:01:39:73:c6:a6:8c:3b:79:d3
Signer

.code
Size: 65KB - Virtual size: 64KB

.text
Size: 472KB - Virtual size: 471KB

.rdata
Size: 120KB - Virtual size: 119KB

.data
Size: 44.6MB - Virtual size: 44.6MB

.rsrc
Size: 105KB - Virtual size: 105KB