sigcheck[.]1[.]exe

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General

Target

sigcheck.1.exe
Size

435KB
MD5

e1abd0c9e37d96346de222176c4fd2ae
SHA1

75be04d4adc55551faceb6514afd369ef8fe99e6
SHA256

4fe9a2bd4b160a5352333d00d0b0c10f13685af7acdb48e9e9d0c3877a19eed4
SHA512

2db5d5e1334371bb5018839da9519969e6f4987ab501cf6a0338cd95bb7a7b0f7a5ff89c1017a3110f2789a8ef17ac41ca41fdcfa3bb0498c036394abf421297
SSDEEP

6144:t/X/MnL4PA7KjPiyzZlThyBh6if84NaS5kwINYwj6R09EsWIGAOp0BHCwa:NPMnLgAwqyz3ThyB18YUwINh9+sCwa

Score

1^/10

Malware Config

Signatures

Files

sigcheck.1.exe
.exe windows:6 windows x86 arch:x86

38d879c4cb89623ee891a8398ea8cfdc

Code Sign

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52
Certificate

Issuer

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

Not Before

02-09-2021 18:32

Not After

01-09-2022 18:32

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

c8:36:1a:ec:21:9d:23:0e:6a:ba:29:52:1f:52:3e:79:ca:c2:71:f3:ce:45:41:8d:80:68:14:38:dc:db:ed:c0
Signer

Actual PE Digest

c8:36:1a:ec:21:9d:23:0e:6a:ba:29:52:1f:52:3e:79:ca:c2:71:f3:ce:45:41:8d:80:68:14:38:dc:db:ed:c0

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

PDB Paths

D:\a\1\s\Win32\Release\sigcheck.pdb

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

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

user32

SetWindowTextW
SetCursor
GetSysColorBrush
GetDlgItem
LoadCursorW
MessageBoxW
SendMessageW
DialogBoxIndirectParamW
EndDialog
InflateRect

gdi32

DeleteDC
CreateCompatibleDC
EndPage
StartPage
EndDoc
SetMapMode
GetDeviceCaps
StartDocW

comdlg32

PrintDlgW

advapi32

CryptReleaseContext
RegCloseKey
RegCreateKeyW
RegOpenKeyW
RegDeleteValueW
GetTokenInformation
FreeSid
EqualSid
AllocateAndInitializeSid
OpenProcessToken
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW
CryptAcquireContextW
CryptGetHashParam
CryptCreateHash
CryptHashData
CryptDestroyHash
RegCreateKeyExW
RegEnumKeyW

shell32

ShellExecuteW

ole32

CLSIDFromString
CoCreateInstance

oleaut32

SysStringLen
VariantInit
SysFreeString
SysAllocString
VariantClear
SysAllocStringByteLen
VariantChangeType

shlwapi

ord176

cabinet

ord20
ord23
ord22

winhttp

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

Sections

.text
Size: 266KB - Virtual size: 265KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 121KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 26KB

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: 15KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

38d879c4cb89623ee891a8398ea8cfdc

Code Sign

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52Certificate

Extended Key Usages

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

Key Usages

c8:36:1a:ec:21:9d:23:0e:6a:ba:29:52:1f:52:3e:79:ca:c2:71:f3:ce:45:41:8d:80:68:14:38:dc:db:ed:c0Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wintrust

version

crypt32

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

shlwapi

cabinet

winhttp

Sections

.text Size: 266KB - Virtual size: 265KB

.rdata Size: 121KB - Virtual size: 121KB

.data Size: 19KB - Virtual size: 26KB

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

.reloc Size: 15KB - Virtual size: 14KB

33:00:00:02:52:8b:33:aa:f8:95:f3:39:db:00:00:00:00:02:52
Certificate

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

c8:36:1a:ec:21:9d:23:0e:6a:ba:29:52:1f:52:3e:79:ca:c2:71:f3:ce:45:41:8d:80:68:14:38:dc:db:ed:c0
Signer

.text
Size: 266KB - Virtual size: 265KB

.rdata
Size: 121KB - Virtual size: 121KB

.data
Size: 19KB - Virtual size: 26KB

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

.reloc
Size: 15KB - Virtual size: 14KB