bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d

General

Target
bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d
Size 2.3MB
Sample260706-gh4mesav3v
SHA256 bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d
MD5 0bc7768746bd956cac10b1c6bad2d4b2
SHA1 441ffabdf66b51a4934edd31dd21393cfe66ee21
SHA512 d5676e2b75cee826d1110e25c431cc742dca37c56bcfe6b3892c5943d8e177ba9bead7846d41f7a6828630562bc7724bd9869461a26d4d244ad63103e0511a1a
SSDEEP 49152:xQMIFm36KfsOtZZXoj5AjJ8lms0wChOXDVeY9vxMGhyQZ0akJuLz:lIFm36msOtDXojeju90wChQvxMG0QsJu
TLSH
T10CB58D2139E40076E4B242B5CBECA516A6A8F8311734CDDB83A1468E3E72DC25577F6F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d

File Explorer

bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d

.dll 2.3MB

bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d

IMPHASH d8714ec85e700efe6e8b6e1840b10c0a
SHA256 bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d
MD5 0bc7768746bd956cac10b1c6bad2d4b2
SHA1 441ffabdf66b51a4934edd31dd21393cfe66ee21
SHA512 d5676e2b75cee826d1110e25c431cc742dca37c56bcfe6b3892c5943d8e177ba9bead7846d41f7a6828630562bc7724bd9869461a26d4d244ad63103e0511a1a
SSDEEP 49152:xQMIFm36KfsOtZZXoj5AjJ8lms0wChOXDVeY9vxMGhyQZ0akJuLz:lIFm36msOtDXojeju90wChQvxMG0QsJu
TLSH
T10CB58D2139E40076E4B242B5CBECA516A6A8F8311734CDDB83A1468E3E72DC25577F6F
MD5 SHA1 SHA512 SSDEEP TLSH

windows:5 windows x86 arch:x86

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

99:1e:4e:72:57:f0:d2:1d:01:4a:f3:a5:a4:3c:f9:1e:ff:13:41:17:de:86:8c:60:99:08:f8:d5:a1:41:68:32

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

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

Chains

Jun 3, 2026

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

CN=Microsoft Code Signing PCA 2024,O=Microsoft Corporation,C=US

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Subject

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

Serial Number

33:00:00:02:32:4e:ae:a6:30:09:6a:5e:7a:00:00:00:00:02:32

Issuer

CN=Microsoft Code Signing PCA 2024,O=Microsoft Corporation,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Apr 16, 2026 - Apr 15, 2027

Subject

CN=Microsoft Code Signing PCA 2024,O=Microsoft Corporation,C=US

Serial Number

33:00:00:00:39:3b:b6:37:19:bf:06:1d:67:00:00:00:00:00:39

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Revocation Status

Not revoked

Timespan

Aug 8, 2024 - Mar 22, 2036

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=nShield TSS ESN:551A-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:02:1b:d0:b2:b8:02:67:f7:72:cf:00:01:00:00:02:1b

Issuer

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Aug 14, 2025 - Nov 13, 2026

Subject

CN=Microsoft Time-Stamp PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:00:15:c5:e7:6b:9e:02:9b:49:99:00:00:00:00:00:15

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Sep 30, 2021 - Sep 30, 2030

Minor OS version

1

Major OS version

5

Entry point

1217312

Magic Number

267

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_GUI

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

msedgeupdate_unsigned.pdb

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 GetCurrentThread DeleteFileW LoadLibraryW GetCurrentDirectoryW GetProcAddress LocalFree GetModuleHandleW FreeLibrary GetTempFileNameW OpenMutexW GetTickCount LoadLibraryExW GetExitCodeProcess ReadFile CompareFileTime SetEndOfFile FindFirstChangeNotificationW SetFileAttributesW MultiByteToWideChar GetFileAttributesExW FileTimeToSystemTime FindCloseChangeNotification FindNextChangeNotification MoveFileExW GetFileSize CopyFileW GetSystemTimeAsFileTime FlushFileBuffers lstrcpynW ExitProcess IsDebuggerPresent WideCharToMultiByte GetTimeZoneInformation FileTimeToLocalFileTime SystemTimeToFileTime SystemTimeToTzSpecificLocalTime GetStringTypeExW GetModuleFileNameW GetTempPathW GetSystemDirectoryW 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 GetDriveTypeW GetUserDefaultLangID GetSystemDefaultLangID QueryUnbiasedInterruptTime GetPackagesByPackageFamily GetProcessTimes DeleteTimerQueueEx CreateTimerQueue QueryFullProcessImageNameW 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

Name

.text

Size

1.4MB

Virtual Size

1.4MB

Characteristics

IMAGE_SCN_CNT_CODE IMAGE_SCN_MEM_EXECUTE IMAGE_SCN_MEM_READ

Name

.rdata

Size

497KB

Virtual Size

496KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.data

Size

18KB

Virtual Size

30KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.didat

Size

1KB

Virtual Size

1KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ IMAGE_SCN_MEM_WRITE

Name

.rsrc

Size

242KB

Virtual Size

242KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

73KB

Virtual Size

73KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

bc5307c0a588c91e31e0ee184badb0a717109e7a12ba2e3b69966aa9b5a6766d

PE Signature issue

kernel32

netapi32

version

wtsapi32

generic