MSVCRTExt[.]dll

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General

Target

MSVCRTExt.dll
Size

1.0MB
MD5

7aa124480e548155d65bae921f391afa
SHA1

23ac725e5a63995d0e27a5841c969486e1d2c3f5
SHA256

224da404f85b1f4ea2e95ac0c2d403fa70135ce9ff22246889bababca20241da
SHA512

7d02132340b35551a474e55c4e5e5e7f0839a1294b017abf0e2c6d7fd45e8d2235608c2bf4233e7e6957155a932c9f1f8a14dd1c36bd567a1c66861586b8a363
SSDEEP

24576:05nJIDlyEgORmiRly2oQ9dMGpuFU6DfCq1:05+cQFAgdRgFUGfCq1

Score

1^/10

Malware Config

Signatures

Files

MSVCRTExt.dll
.dll regsvr32 windows:6 windows x86 arch:x86

68fbfea1676d60104c6fa9fe62415831

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Not Before

29-04-2021 00:00

Not After

28-04-2036 23:59

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

09:97:c5:6c:aa:59:05:53:94:d9:a9:cd:b8:be:eb:56
Certificate

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Not Before

13-01-2023 00:00

Not After

16-01-2026 23:59

Subject

CN=NVIDIA Corporation,OU=2-J,O=NVIDIA Corporation,L=Santa Clara,ST=California,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

38:63:de:f8
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

24-12-1999 17:50

Not After

24-07-2029 14:15

Subject

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

Issuer

CN=Entrust.net Certification Authority (2048),OU=www.entrust.net/CPS_2048 incorp. by ref. (limits liab.)+OU=(c) 1999 Entrust.net Limited,O=Entrust.net

Not Before

22-07-2015 19:02

Not After

22-06-2029 19:32

Subject

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04
Certificate

Issuer

CN=Entrust Timestamping CA - TS1,OU=See www.entrust.net/legal-terms+OU=(c) 2015 Entrust\, Inc. - for authorized use only,O=Entrust\, Inc.,C=US

Not Before

19-01-2024 16:46

Not After

01-06-2029 00:00

Subject

CN=Entrust Timestamp Authority - TSA1,O=Entrust\, Inc.,L=Ottawa,ST=Ontario,C=CA

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

15:0a:30:be:83:e9:ba:e0:16:3d:d2:cc:6f:78:73:ae:24:2a:44:a1:c3:3b:92:d5:b0:1c:f1:9b:82:24:04:1f
Signer

Actual PE Digest

15:0a:30:be:83:e9:ba:e0:16:3d:d2:cc:6f:78:73:ae:24:2a:44:a1:c3:3b:92:d5:b0:1c:f1:9b:82:24:04:1f

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

Z:\sw\gcomp\dev\src\MSVC_Runtime_Subpackage\Build\Extensions\Out\MSVCRT\Win32\Release\MSVCRTExt.pdb

Imports

kernel32

GetSystemTimeAsFileTime
GetProcessTimes
GetCurrentProcess
OutputDebugStringW
CloseHandle
LocalFree
FormatMessageW
FormatMessageA
CreateEventA
SetEvent
WaitForSingleObjectEx
GetCurrentThreadId
CreateMutexW
CreateFileW
RemoveDirectoryW
GetFileAttributesW
GetModuleFileNameW
ExpandEnvironmentStringsW
WriteFile
GetFileSizeEx
ReleaseMutex
WaitForSingleObject
GetCurrentProcessId
GetTempPathW
VerifyVersionInfoW
VerSetConditionMask
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
LocalAlloc
GetSystemInfo
CreateDirectoryW
DeleteFileW
FindClose
QueryPerformanceFrequency
SetFileAttributesW
DeviceIoControl
GetCurrentThread
GetTickCount
GetSystemDirectoryW
lstrcmpW
MoveFileExW
FreeLibrary
GetModuleHandleExW
GetProcAddress
LoadLibraryW
GetFullPathNameW
GetModuleFileNameA
GetModuleHandleA
GetModuleHandleW
LoadLibraryExW
GetVersionExW
ReadFile
OpenEventA
QueryPerformanceCounter
WideCharToMultiByte
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapDestroy
FindResourceExW
FindResourceW
LoadResource
LockResource
SizeofResource
LeaveCriticalSection
EnterCriticalSection
EncodePointer
InitializeCriticalSectionEx
GetLastError
RaiseException
DeleteCriticalSection
DecodePointer
GetConsoleMode
WriteConsoleW
ReadConsoleW
SetStdHandle
GetConsoleCP
GetFileType
GetStdHandle
GetACP
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetTimeFormatW
GetDateFormatW
GetTimeZoneInformation
ExitProcess
RtlUnwind
CreateTimerQueue
UnregisterWaitEx
QueryDepthSList
InterlockedFlushSList
InterlockedPushEntrySList
InterlockedPopEntrySList
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
ReleaseSemaphore
DuplicateHandle
VirtualFree
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
GetStringTypeW
TryEnterCriticalSection
CreateEventW
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
FlushFileBuffers
GetFileInformationByHandle
SetFilePointerEx
AreFileApisANSI
IsDebuggerPresent
ResetEvent
InitializeSListHead
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibraryAndExitThread
VirtualAlloc
VirtualProtect

advapi32

LsaNtStatusToWinError
RegQueryInfoKeyW
RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegOpenCurrentUser
OpenProcessToken
GetTokenInformation
RegEnumValueW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW

shell32

SHGetFolderPathW

ole32

CoCreateInstance

oleaut32

SysFreeString
SysAllocString
VariantClear
SafeArrayCreate
SafeArrayGetVartype
SafeArrayCopy
SafeArrayUnlock
SafeArrayLock
SafeArrayGetLBound
SafeArrayGetUBound
SafeArrayDestroy
LoadTypeLi
LoadRegTypeLi
SysAllocStringLen
VariantChangeType
SysStringLen
VariantInit

shlwapi

PathFindFileNameW

Exports

Exports

DllCanUnloadNow
DllGetClassObject
DllInstall
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 734KB - Virtual size: 734KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 202KB - Virtual size: 201KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 29KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 17KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 47KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

68fbfea1676d60104c6fa9fe62415831

Code Sign

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9Certificate

Extended Key Usages

Key Usages

09:97:c5:6c:aa:59:05:53:94:d9:a9:cd:b8:be:eb:56Certificate

Extended Key Usages

Key Usages

38:63:de:f8Certificate

Key Usages

58:da:13:ff:00:00:00:00:51:ce:0d:f7Certificate

Extended Key Usages

Key Usages

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04Certificate

Extended Key Usages

Key Usages

15:0a:30:be:83:e9:ba:e0:16:3d:d2:cc:6f:78:73:ae:24:2a:44:a1:c3:3b:92:d5:b0:1c:f1:9b:82:24:04:1fSigner

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

advapi32

shell32

ole32

oleaut32

shlwapi

Exports

Exports

Sections

.text Size: 734KB - Virtual size: 734KB

.rdata Size: 202KB - Virtual size: 201KB

.data Size: 24KB - Virtual size: 29KB

.rsrc Size: 17KB - Virtual size: 17KB

.reloc Size: 47KB - Virtual size: 46KB

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9
Certificate

09:97:c5:6c:aa:59:05:53:94:d9:a9:cd:b8:be:eb:56
Certificate

38:63:de:f8
Certificate

58:da:13:ff:00:00:00:00:51:ce:0d:f7
Certificate

07:d7:13:53:da:25:61:b4:61:e9:90:47:8a:4c:ce:04
Certificate

15:0a:30:be:83:e9:ba:e0:16:3d:d2:cc:6f:78:73:ae:24:2a:44:a1:c3:3b:92:d5:b0:1c:f1:9b:82:24:04:1f
Signer

.text
Size: 734KB - Virtual size: 734KB

.rdata
Size: 202KB - Virtual size: 201KB

.data
Size: 24KB - Virtual size: 29KB

.rsrc
Size: 17KB - Virtual size: 17KB

.reloc
Size: 47KB - Virtual size: 46KB