MicrosoftEdgeUpdateCore[.]exe

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General

Target

MicrosoftEdgeUpdateCore.exe
Size

260KB
MD5

64f7ff56af334d91a50068271bed5043
SHA1

108209fde87705b03d56759fd41486d22a3e24df
SHA256

a98505367c850b6ef6d2df68d24d83643767a6fab8f0dd22cc60509b3363ce51
SHA512

b70c1d2a26f59e94b31beb3151f69d7eb9de8841399b618730d94263cc5402f391cd5cfc6621c8666e5e073e6f8c340d6fd3511f1cb1cbbf6ee75312598f56d7
SSDEEP

6144:KX1Xl9TILHEO5wv456n7+daOLm2AOFoZXYklh+jir7:Q9TILHEO5wv45XLm27oJYch+jir7

Score

1^/10

Malware Config

Signatures

Files

MicrosoftEdgeUpdateCore.exe
.exe windows:5 windows x86 arch:x86

b03735b975871f0d968fe7ba208e307f

Code Sign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

Issuer

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

Not Before

19/10/2023, 19:51

Not After

16/10/2024, 19:51

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

a0:51:50:9a:a0:d7:2c:01:bf:61:6a:44:82:a1:3f:29:9c:db:c2:fc:8d:dc:31:29:68:4a:78:bf:54:e3:88:95
Signer

Actual PE Digest

a0:51:50:9a:a0:d7:2c:01:bf:61:6a:44:82:a1:3f:29:9c:db:c2:fc:8d:dc:31:29:68:4a:78:bf:54:e3:88:95

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

PDB Paths

MicrosoftEdgeUpdateCore_unsigned.pdb

Imports

kernel32

GetModuleHandleW
GetProcAddress
GetProcessHeap
DeleteCriticalSection
HeapDestroy
DecodePointer
IsDebuggerPresent
OutputDebugStringW
EnterCriticalSection
LeaveCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
SetLastError
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
EncodePointer
ExitProcess
GetModuleHandleExW
GetModuleFileNameW
GetStdHandle
WriteFile
GetCurrentThread
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
HeapAlloc
LCMapStringW
GetFileType
SetStdHandle
GetStringTypeW
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
CreateFileW
WriteConsoleW
SizeofResource
LockResource
FindResourceExW
LoadResource
FindResourceW
lstrlenW
lstrcmpiW
CreateDirectoryW
GetEnvironmentVariableW
WaitForSingleObject
ReleaseMutex
GetTickCount
CreateProcessW
TryEnterCriticalSection
InitializeCriticalSection
CreateMutexW
Sleep
GetShortPathNameW
GetSystemDirectoryW
VirtualQuery
SetFilePointer
GetFileAttributesExW
MoveFileExW
GetPrivateProfileIntW
OutputDebugStringA
GetFileInformationByHandle
GetLocalTime
lstrcmpW
GetVersionExW
VerSetConditionMask
VerifyVersionInfoW
lstrcpynW
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
InitOnceExecuteOnce
GetComputerNameExW
VirtualProtect
VirtualAlloc
GetSystemInfo
InitializeCriticalSectionEx
RaiseException
CloseHandle
HeapReAlloc
GetLastError
HeapSize
InitializeCriticalSectionAndSpinCount
FreeEnvironmentStringsW
HeapFree
LoadLibraryExA

ole32

StringFromGUID2
IIDFromString
CoInitializeEx
CoUninitialize

user32

wsprintfW
wvsprintfW
MessageBoxW
SetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
CharUpperW
CharLowerW
CharLowerBuffW

advapi32

TraceEvent
GetTraceLoggerHandle
GetTraceEnableFlags
GetTraceEnableLevel
RegisterTraceGuidsW
UnregisterTraceGuids
EventWriteTransfer
EventRegister
EventUnregister
MakeSelfRelativeSD
RegQueryValueExW
RegEnumValueW
GetSecurityDescriptorLength
RegOpenKeyExW
RegSetValueExW
GetSecurityDescriptorControl
RegCreateKeyExW
RegQueryInfoKeyW
RegCloseKey
GetTokenInformation
MakeAbsoluteSD
OpenThreadToken
GetLengthSid
InitializeAcl
InitializeSecurityDescriptor
OpenProcessToken
AddAce
IsValidSid
ImpersonateLoggedOnUser
GetSecurityDescriptorOwner
InitializeSid
CopySid
GetSidLengthRequired
GetSidSubAuthority
GetSecurityDescriptorGroup
EqualSid
GetAclInformation
GetSecurityDescriptorDacl
RevertToSelf
SetSecurityDescriptorDacl
GetSecurityDescriptorSacl
CheckTokenMembership
FreeSid
AllocateAndInitializeSid

shell32

SHGetFolderPathW

shlwapi

PathCommonPrefixW
PathStripPathW
PathRemoveExtensionW
PathRemoveFileSpecW
SHQueryValueExW
PathAppendW
PathCanonicalizeW

Sections

.text
Size: 127KB - Virtual size: 127KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 97KB - Virtual size: 96KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.didat
Size: 512B - Virtual size: 36B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b03735b975871f0d968fe7ba208e307f

Code Sign

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5Certificate

Extended Key Usages

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

Key Usages

a0:51:50:9a:a0:d7:2c:01:bf:61:6a:44:82:a1:3f:29:9c:db:c2:fc:8d:dc:31:29:68:4a:78:bf:54:e3:88:95Signer

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

ole32

user32

advapi32

shell32

shlwapi

Sections

.text Size: 127KB - Virtual size: 127KB

.rdata Size: 97KB - Virtual size: 96KB

.data Size: 3KB - Virtual size: 9KB

.didat Size: 512B - Virtual size: 36B

.rsrc Size: 13KB - Virtual size: 12KB

.reloc Size: 8KB - Virtual size: 8KB

33:00:00:03:a5:41:11:e8:f0:7f:be:0b:75:00:00:00:00:03:a5
Certificate

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

a0:51:50:9a:a0:d7:2c:01:bf:61:6a:44:82:a1:3f:29:9c:db:c2:fc:8d:dc:31:29:68:4a:78:bf:54:e3:88:95
Signer

.text
Size: 127KB - Virtual size: 127KB

.rdata
Size: 97KB - Virtual size: 96KB

.data
Size: 3KB - Virtual size: 9KB

.didat
Size: 512B - Virtual size: 36B

.rsrc
Size: 13KB - Virtual size: 12KB

.reloc
Size: 8KB - Virtual size: 8KB