msedgeupdate[.]dll

Sharing

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General

Target

msedgeupdate.dll
Size

2.0MB
MD5

5f4cdf4268be23a984ee0b2feaad3dd3
SHA1

cc5aabfc567971d7d2b7a0a206925a59de79dad5
SHA256

bb92222715061ddc89332668248c696348b953a0251893ec7d36597099308d92
SHA512

41803d549742f3b22521d6b645adfafdc477c3fc315a88056b111d54cb0ba677db4a8162b793a19619f672b3580736d939367649d3729c129ef871b55900f0cd
SSDEEP

49152:SCu7w8Kk/Qc8mYsc+Q4c8aJe3sA2AePTYFSMsal2mw:S17wC/18PP+Q4yA2/WWal2/

Score

N/A

Malware Config

Signatures

Files

msedgeupdate.dll
.dll windows x86

890e12eee50467c5a32533c4ec58e142

Code Sign

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cf
Certificate

Issuer

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

Not Before

12/05/2022, 20:46

Not After

11/05/2023, 20:46

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

92:92:0c:54:4e:fb:42:a9:ad:85:b6:75:db:4d:65:3d:e5:2c:31:85:bb:cb:95:01:85:d7:10:c0:64:78:63:8f
Signer

Actual PE Digest

92:92:0c:54:4e:fb:42:a9:ad:85:b6:75:db:4d:65:3d:e5:2c:31:85:bb:cb:95:01:85:d7:10:c0:64:78:63:8f

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

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

15/12/2022, 13:59
Valid: false

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

Imports

kernel32

SizeofResource
HeapFree
InitializeCriticalSectionAndSpinCount
HeapSize
GetLastError
LockResource
HeapReAlloc
RaiseException
FindResourceExW
LoadResource
FindResourceW
HeapAlloc
DecodePointer
HeapDestroy
DeleteCriticalSection
GetProcessHeap
ReleaseSemaphore
DeleteTimerQueueTimer
CreateTimerQueueTimer
FreeLibraryAndExitThread
ExitThread
lstrlenW
WriteFile
GetShortPathNameW
GetPrivateProfileIntW
OutputDebugStringA
SetFilePointer
WaitForSingleObject
CreateFileW
GetCurrentThreadId
ReleaseMutex
Sleep
GetFileInformationByHandle
OutputDebugStringW
CloseHandle
GetLocalTime
GetCurrentProcessId
lstrcmpiW
lstrcmpW
CreateDirectoryW
FindFirstFileW
SetLastError
FindNextFileW
GetCurrentProcess
ExpandEnvironmentStringsW
RemoveDirectoryW
WaitForMultipleObjects
GetEnvironmentVariableW
FindClose
GetFileAttributesW
DuplicateHandle
FormatMessageW
DeleteFileW
LoadLibraryW
GetCurrentDirectoryW
GetProcAddress
LocalFree
GetModuleHandleW
FreeLibrary
GetTempFileNameW
OpenMutexW
GetTickCount
LoadLibraryExW
GetExitCodeProcess
ReadFile
CompareFileTime
SetEndOfFile
SetFileAttributesW
MultiByteToWideChar
GetFileAttributesExW
FileTimeToSystemTime
MoveFileExW
GetFileSize
CopyFileW
GetSystemTimeAsFileTime
GetFileTime
FlushFileBuffers
lstrcpynW
ExitProcess
IsDebuggerPresent
WideCharToMultiByte
GetTimeZoneInformation
FileTimeToLocalFileTime
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
GetStringTypeExW
GetModuleFileNameW
GetTempPathW
GetSystemDirectoryW
GetCurrentThread
GetWindowsDirectoryW
VirtualQuery
GetModuleHandleExW
TryEnterCriticalSection
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
CreateMutexW
CreateEventW
SetEvent
ResetEvent
GetProductInfo
GetVersionExW
VerSetConditionMask
VerifyVersionInfoW
IsWow64Process
GetLongPathNameW
LocalAlloc
OpenProcess
HeapSetInformation
SetPriorityClass
TerminateProcess
K32GetModuleFileNameExW
WaitForMultipleObjectsEx
K32GetProcessImageFileNameW
CreateToolhelp32Snapshot
ProcessIdToSessionId
Process32NextW
WaitForSingleObjectEx
Process32FirstW
K32EnumProcesses
ReadProcessMemory
K32EnumProcessModules
SetHandleInformation
DeviceIoControl
CreatePipe
SetErrorMode
GetSystemPowerStatus
GetDiskFreeSpaceExW
GlobalMemoryStatusEx
CreateProcessW
SetProcessWorkingSetSize
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
GetStdHandle
QueryDosDeviceW
GetLogicalDriveStringsW
InitOnceExecuteOnce
GetComputerNameExW
SetEnvironmentVariableW
OpenEventW
GetPrivateProfileStringW
CreateThread
SetCurrentDirectoryW
GetPriorityClass
OpenThread
QueryPerformanceCounter
GetCommandLineW
CreateHardLinkW
GetThreadLocale
lstrcmpA
QueueUserWorkItem
GetTickCount64
GetStringTypeExA
SetFilePointerEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetStartupInfoW
InitializeSListHead
GetStringTypeW
InitializeCriticalSectionEx
EncodePointer
LCMapStringEx
CompareStringEx
GetCPInfo
GetLocaleInfoEx
RtlUnwind
InterlockedPushEntrySList
InterlockedFlushSList
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemInfo
VirtualAlloc
VirtualProtect
GetFileType
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetLocaleInfoW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FindFirstFileExW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetFileSizeEx
SetStdHandle
GetConsoleOutputCP
GetConsoleMode
ReadConsoleW
WriteConsoleW
LoadLibraryExA
GetProcessShutdownParameters
SetProcessShutdownParameters
GetProcessId
Thread32Next
Thread32First
RegisterWaitForSingleObject
UnregisterWaitEx
QueryPerformanceFrequency
GetUserDefaultLangID
GetSystemDefaultLangID
QueryUnbiasedInterruptTime
DeleteTimerQueueEx
CreateTimerQueue
GetNativeSystemInfo
GetModuleFileNameA
GlobalHandle
MulDiv
FreeResource
InterlockedPopEntrySList
FlushInstructionCache
VirtualFree
InitializeSRWLock
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
SwitchToThread
GetExitCodeThread
InitializeConditionVariable
WakeConditionVariable
WakeAllConditionVariable
SleepConditionVariableCS
SleepConditionVariableSRW

netapi32

NetApiBufferFree
NetGetJoinInformation

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

wtsapi32

WTSQuerySessionInformationW
WTSEnumerateSessionsW
WTSFreeMemory

Exports

Exports

DllEntry

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 388KB - Virtual size: 388KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 206KB - Virtual size: 206KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

890e12eee50467c5a32533c4ec58e142

Code Sign

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cfCertificate

Extended Key Usages

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

Key Usages

92:92:0c:54:4e:fb:42:a9:ad:85:b6:75:db:4d:65:3d:e5:2c:31:85:bb:cb:95:01:85:d7:10:c0:64:78:63:8fSigner

Signature Validations

Verification

15/12/2022, 13:59 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

netapi32

version

wtsapi32

Exports

Exports

Sections

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

.rdata Size: 388KB - Virtual size: 388KB

.data Size: 19KB - Virtual size: 30KB

.didat Size: 1KB - Virtual size: 1KB

.rsrc Size: 206KB - Virtual size: 206KB

.reloc Size: 68KB - Virtual size: 68KB

33:00:00:02:cf:a0:25:90:e3:13:04:ef:15:00:00:00:00:02:cf
Certificate

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

92:92:0c:54:4e:fb:42:a9:ad:85:b6:75:db:4d:65:3d:e5:2c:31:85:bb:cb:95:01:85:d7:10:c0:64:78:63:8f
Signer

15/12/2022, 13:59
Valid: false

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

.rdata
Size: 388KB - Virtual size: 388KB

.data
Size: 19KB - Virtual size: 30KB

.didat
Size: 1KB - Virtual size: 1KB

.rsrc
Size: 206KB - Virtual size: 206KB

.reloc
Size: 68KB - Virtual size: 68KB