sigcheck[.]exe

Sharing

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General

Target

sigcheck.exe
Size

810KB
MD5

60c97b52be2d988d8d39430cfb749106
SHA1

f1d5330d467e9f7950509f60b758453a86d7eed4
SHA256

5141b3a6558eb65bd9eaa87abaff040920f6a0e1f6f1894df7a14ca1254e99ab
SHA512

8d34349403eb613cd5421b08a1f303e53ff3343d38e866fcbb43fcd93e684a96f3e23b28c58740f928a6157a3424e0a877d53cadb2e05c079568de9ff8253ce2
SSDEEP

24576:zTTPhNYE72RYmxvTND/v4MmYZqtYbdjSeP:DkRYmhTx/v4MstaR

Score

1^/10

Malware Config

Signatures

Files

sigcheck.exe
.exe windows:5 windows x86

1fa91a5b71b4c34c060fc289b51faaee

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

04/03/2020, 18:39

Not After

03/03/2021, 18:39

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

15:13:64:86:11:df:db:6d:04:30:93:39:e8:14:90:3d:66:00:aa:58:39:63:7b:6c:3b:91:d7:b2:3b:c3:6c:0f
Signer

Actual PE Digest

15:13:64:86:11:df:db:6d:04:30:93:39:e8:14:90:3d:66:00:aa:58:39:63:7b:6c:3b:91:d7:b2:3b:c3:6c:0f

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

wintrust

CryptCATEnumerateAttr
CryptCATClose
CryptCATEnumerateCatAttr
CryptCATEnumerateMember
CryptCATOpen

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

crypt32

CryptSIPRetrieveSubjectGuidForCatalogFile
CertGetValidUsages
CertAddCertificateContextToStore
CertFreeCertificateContext
CertFreeCertificateChain
CertGetStoreProperty
CertCreateCTLContext
CertGetCertificateContextProperty
CertEnumCertificatesInStore
CryptSIPLoad
CertOpenStore
CertGetCertificateChain
CertGetNameStringW
CertDuplicateCertificateContext
CryptFindOIDInfo
CertCloseStore

kernel32

InterlockedIncrement
MulDiv
FileTimeToLocalFileTime
FileTimeToSystemTime
FormatMessageW
GetTimeFormatW
GetDateFormatW
GetFileSize
ExpandEnvironmentStringsA
GetCurrentDirectoryA
DeleteFileW
FreeResource
LockResource
FreeLibrary
GetVersion
GetCurrentProcess
LoadResource
SizeofResource
GetFileInformationByHandle
GetSystemTimeAsFileTime
FindResourceW
GetCurrentDirectoryW
CreateFileMappingW
FindNextFileW
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
RaiseException
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
TlsSetValue
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExW
FindFirstFileExA
GetConsoleCP
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
FindFirstFileW
InterlockedDecrement
GetFileAttributesW
CreateFileW
LoadLibraryW
FindClose
Sleep
GetLastError
DecodePointer
UnmapViewOfFile
MapViewOfFile
GetFileSizeEx
GetCommandLineW
GetModuleHandleW
GetStdHandle
LocalFree
LocalAlloc
GetProcAddress
TlsGetValue
GetVersionExW
LoadLibraryExW
SetLastError
GetModuleFileNameW
GetFileType
SetFileInformationByHandle
CreateFileA
DosDateTimeToFileTime
LocalFileTimeToFileTime
CloseHandle
SetFilePointer
ReadFile
WriteFile
SetEnvironmentVariableW
SetConsoleCtrlHandler
OutputDebugStringA
CreateThread
GetTimeZoneInformation
WriteConsoleW
IsValidLocale
SetFilePointerEx
ReadConsoleW
GetCurrentThread
GetACP
TlsAlloc
SwitchToThread
EncodePointer
GetStringTypeW
InitializeSListHead
GetCurrentThreadId
GetCurrentProcessId
GetCommandLineA
GetModuleFileNameA
SetConsoleMode
SetEndOfFile
TlsFree
GetTickCount
GetFullPathNameW
ReadConsoleInputA
PeekConsoleInputA
GetNumberOfConsoleInputEvents
GetConsoleMode
GetModuleHandleExW
ExitProcess
SetStdHandle
InterlockedFlushSList
InterlockedPushEntrySList
RtlUnwind
GetCPInfo
GetLocaleInfoW
LCMapStringW
MultiByteToWideChar
WideCharToMultiByte
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetStartupInfoW
QueryPerformanceCounter
CompareStringW

user32

SetWindowTextW
SetCursor
GetSysColorBrush
GetDlgItem
LoadCursorW
MessageBoxW
UnregisterClassW
SendMessageW
DialogBoxIndirectParamW
EndDialog
InflateRect

gdi32

DeleteDC
CreateCompatibleDC
EndPage
StartPage
EndDoc
StartDocW
GetDeviceCaps
SetMapMode

comdlg32

PrintDlgW

advapi32

CryptReleaseContext
RegCloseKey
RegCreateKeyW
RegOpenKeyW
RegDeleteValueW
FreeSid
AllocateAndInitializeSid
EqualSid
GetTokenInformation
OpenProcessToken
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
CryptAcquireContextW
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
CloseServiceHandle
ControlService
OpenSCManagerW
OpenServiceW
QueryServiceStatus
StartServiceW
RegCreateKeyExW
RegEnumKeyW

shell32

ShellExecuteW

ole32

CLSIDFromString
CoCreateInstance

oleaut32

SysStringLen
VariantInit
SysFreeString
SysAllocString
CreateErrorInfo
VariantClear
SysAllocStringByteLen
GetErrorInfo
SetErrorInfo
VariantChangeType

shlwapi

ord176

cabinet

ord20
ord23
ord22

winhttp

WinHttpGetProxyForUrl
WinHttpCloseHandle
WinHttpConnect
WinHttpReadData
WinHttpWriteData
WinHttpQueryDataAvailable
WinHttpSetOption
WinHttpOpenRequest
WinHttpSendRequest
WinHttpReceiveResponse
WinHttpQueryHeaders
WinHttpOpen

Sections

.text
Size: 580KB - Virtual size: 580KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 166KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 22KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 29KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1fa91a5b71b4c34c060fc289b51faaee

Code Sign

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

15:13:64:86:11:df:db:6d:04:30:93:39:e8:14:90:3d:66:00:aa:58:39:63:7b:6c:3b:91:d7:b2:3b:c3:6c:0fSigner

Headers

DLL Characteristics

File Characteristics

Imports

wintrust

version

crypt32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

shlwapi

cabinet

winhttp

Sections

.text Size: 580KB - Virtual size: 580KB

.rdata Size: 166KB - Virtual size: 166KB

.data Size: 22KB - Virtual size: 32KB

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 29KB - Virtual size: 29KB

33:00:00:01:87:72:17:72:15:59:40:c7:09:00:00:00:00:01:87
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

15:13:64:86:11:df:db:6d:04:30:93:39:e8:14:90:3d:66:00:aa:58:39:63:7b:6c:3b:91:d7:b2:3b:c3:6c:0f
Signer

.text
Size: 580KB - Virtual size: 580KB

.rdata
Size: 166KB - Virtual size: 166KB

.data
Size: 22KB - Virtual size: 32KB

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 29KB - Virtual size: 29KB