winint[.]exe | Triage

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General

Target

winint.exe
Size

3.9MB
MD5

c510853e2fdd252f4b80f84d4425fd3d
SHA1

c0b33502cf05a758e1a82aa2acdec731eeaaa110
SHA256

5badb73562c16c4f9b233787e788a5e38bf148101d5d5a2726ec9a1071b4d66e
SHA512

64ab77cc73ab0142013cb2a3346a4c19972739521dd2857ebf55acd26ea0189b512099d702a9c9a700462cab8ae2a6e0609c1a517299e32590a07109daf966e7
SSDEEP

49152:+EwEe/yrAwzLUeo5DOdR/WDE/8WGp3ZNdXfFa6m9Yoci1u97StTw0VoO+i+LdzBn:V0VLyHaZpkwJ

Score

1^/10

Malware Config

Signatures

Files

winint.exe
.exe windows:6 windows x64

87d0737459c3ebc7de35794db4768b2f

Code Sign

39:16:2f:9b:4a:1e:19:81:bd:bc:40:23:cd:86:b4:e7
Certificate

Issuer

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

Not Before

27/10/2023, 21:09

Not After

27/10/2024, 21:09

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

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

52:87:40:4a:79:c3:b7:b7:f0:4a:4f:61:75:28:3e:7d:ae:ab:0d:a1:c4:1f:4d:40:2f:89:cd:93:ba:3a:92:35
Signer

Actual PE Digest

52:87:40:4a:79:c3:b7:b7:f0:4a:4f:61:75:28:3e:7d:ae:ab:0d:a1:c4:1f:4d:40:2f:89:cd:93:ba:3a:92:35

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

advapi32

RegCloseKey
RegEnumKeyExW
RegEnumValueW
RegOpenKeyExW
RegQueryValueExW
OpenProcessToken
LookupPrivilegeValueW
AdjustTokenPrivileges
EventWrite
EventRegister
EventEnabled

bcrypt

BCryptCloseAlgorithmProvider
BCryptDestroyKey
BCryptSetProperty
BCryptImportKey
BCryptDecrypt
BCryptEncrypt
BCryptOpenAlgorithmProvider
BCryptGenRandom

kernel32

TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
EncodePointer
RaiseException
RtlPcToFileHeader
RaiseFailFastException
GetTickCount64
CreateThreadpoolWork
SubmitThreadpoolWork
CloseThreadpoolWork
GetProcAddress
FindNLSStringEx
CompareStringEx
FindStringOrdinal
GetUserPreferredUILanguages
InitializeConditionVariable
WakeConditionVariable
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FileTimeToSystemTime
GetLastError
GetConsoleOutputCP
GetCurrentProcess
GetStdHandle
GetSystemTime
LocalAlloc
LocalFree
QueryPerformanceCounter
QueryPerformanceFrequency
SetLastError
SystemTimeToFileTime
TzSpecificLocalTimeToSystemTime
WideCharToMultiByte
Sleep
WaitForMultipleObjectsEx
WaitForSingleObject
GetCurrentThread
LocaleNameToLCID
LCMapStringEx
CompareStringOrdinal
GetLocaleInfoEx
EnumTimeFormatsEx
GetCalendarInfoEx
EnumCalendarInfoExEx
ResolveLocaleName
SleepConditionVariableCS
ExpandEnvironmentStringsW
FindClose
FindFirstFileExW
FreeLibrary
GetFileAttributesExW
GetFullPathNameW
GetLongPathNameW
GetModuleFileNameW
GetSystemDirectoryW
LoadLibraryExW
SetThreadErrorMode
GetDynamicTimeZoneInformation
GetTimeZoneInformation
WriteFile
GetCurrentProcessorNumberEx
CloseHandle
SetEvent
ResetEvent
CreateEventExW
GetEnvironmentVariableW
FormatMessageW
CreateThread
ResumeThread
DuplicateHandle
GetThreadPriority
SetThreadPriority
MultiByteToWideChar
GetConsoleMode
GetFileType
WriteConsoleW
VirtualAllocEx
CreateProcessW
GetExitCodeProcess
TerminateProcess
OpenProcess
K32EnumProcesses
GetProcessId
FlushProcessWriteBuffers
GetCurrentThreadId
WaitForSingleObjectEx
VirtualQuery
RtlRestoreContext
AddVectoredExceptionHandler
FlsAlloc
FlsGetValue
FlsSetValue
CreateEventW
SwitchToThread
SuspendThread
GetThreadContext
SetThreadContext
FlushInstructionCache
VirtualAlloc
VirtualProtect
VirtualFree
QueryInformationJobObject
GetModuleHandleW
GetModuleHandleExW
GetProcessAffinityMask
InitializeContext
GetEnabledXStateFeatures
SetXStateFeaturesMask
InitializeCriticalSectionEx
GetSystemTimeAsFileTime
DebugBreak
SleepEx
GlobalMemoryStatusEx
GetSystemInfo
GetLogicalProcessorInformation
GetLogicalProcessorInformationEx
GetLargePageMinimum
VirtualUnlock
VirtualAllocExNuma
IsProcessInJob
GetNumaHighestNodeNumber
GetProcessGroupAffinity
K32GetProcessMemoryInfo
RtlUnwindEx
IsProcessorFeaturePresent
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
InitializeSListHead
GetCurrentProcessId

ole32

CoWaitForMultipleHandles
CoCreateGuid
CoGetApartmentType
CoUninitialize
CoInitializeEx

user32

LoadStringW

api-ms-win-crt-math-l1-1-0

modf
__setusermatherr
pow
tan
sqrt
sin
ceil
cos
floor

api-ms-win-crt-heap-l1-1-0

malloc
_set_new_mode
calloc
_callnewh
free

api-ms-win-crt-string-l1-1-0

strcpy_s
wcsncmp
_wcsicmp
_stricmp
strncpy_s
strcmp

api-ms-win-crt-runtime-l1-1-0

exit
_exit
_initterm
_initterm_e
_get_initial_wide_environment
terminate
_crt_atexit
_register_onexit_function
_initialize_onexit_table
_initialize_wide_environment
_configure_wide_argv
__p___argc
_register_thread_local_exe_atexit_callback
_c_exit
_cexit
__p___wargv
_seh_filter_exe
_set_app_type
abort

api-ms-win-crt-stdio-l1-1-0

__stdio_common_vsprintf_s
_set_fmode
__stdio_common_vsscanf
__stdio_common_vfprintf
__acrt_iob_func
__p__commode

api-ms-win-crt-locale-l1-1-0

_configthreadlocale

Exports

Exports

DotNetRuntimeDebugHeader

Sections

.text
Size: 462KB - Virtual size: 461KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.managed
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.3MB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 113KB - Virtual size: 166KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 144KB - Virtual size: 144KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 45KB - Virtual size: 45KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

87d0737459c3ebc7de35794db4768b2f

Code Sign

39:16:2f:9b:4a:1e:19:81:bd:bc:40:23:cd:86:b4:e7Certificate

Extended Key Usages

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

52:87:40:4a:79:c3:b7:b7:f0:4a:4f:61:75:28:3e:7d:ae:ab:0d:a1:c4:1f:4d:40:2f:89:cd:93:ba:3a:92:35Signer

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

bcrypt

kernel32

ole32

user32

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-locale-l1-1-0

Exports

Exports

Sections

.text Size: 462KB - Virtual size: 461KB

.managed Size: 1.9MB - Virtual size: 1.9MB

.rdata Size: 1.3MB - Virtual size: 1.3MB

.data Size: 113KB - Virtual size: 166KB

.pdata Size: 144KB - Virtual size: 144KB

_RDATA Size: 512B - Virtual size: 348B

.reloc Size: 45KB - Virtual size: 45KB

39:16:2f:9b:4a:1e:19:81:bd:bc:40:23:cd:86:b4:e7
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

52:87:40:4a:79:c3:b7:b7:f0:4a:4f:61:75:28:3e:7d:ae:ab:0d:a1:c4:1f:4d:40:2f:89:cd:93:ba:3a:92:35
Signer

.text
Size: 462KB - Virtual size: 461KB

.managed
Size: 1.9MB - Virtual size: 1.9MB

.rdata
Size: 1.3MB - Virtual size: 1.3MB

.data
Size: 113KB - Virtual size: 166KB

.pdata
Size: 144KB - Virtual size: 144KB

_RDATA
Size: 512B - Virtual size: 348B

.reloc
Size: 45KB - Virtual size: 45KB