a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac

General

Target
a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac
Size 2.1MB
Sample260722-rr4c5abk2x
SHA256 a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac
MD5 b6a26d5160546291d667f9e0186df459
SHA1 80204bbb66f110bd3070447b96d6347c373a0f69
SHA512 b9a15df7a9c836bab0872c7842d2f91906f12a373e974d43b132365e398b58a28baf51c3a6ce59856e821e56c8246f58d141a4c1a95c4644d057fe820ba344da
SSDEEP 49152:1iFV9MXip5+V+pCKSyWaj9zm9e4STVEMWTN2OW+a5sf:AFVgm5+V1PGpzIEWT0/sf
TLSH
T172A57D2236E84075E8B643B08EF8A91695BCFD3107318CDB53E0554E7A729D29877B3B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac

File Explorer

a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac

.dll 2.1MB

a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac

IMPHASH f488c196831b4696983c5a865aea58c5
SHA256 a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac
MD5 b6a26d5160546291d667f9e0186df459
SHA1 80204bbb66f110bd3070447b96d6347c373a0f69
SHA512 b9a15df7a9c836bab0872c7842d2f91906f12a373e974d43b132365e398b58a28baf51c3a6ce59856e821e56c8246f58d141a4c1a95c4644d057fe820ba344da
SSDEEP 49152:1iFV9MXip5+V+pCKSyWaj9zm9e4STVEMWTN2OW+a5sf:AFVgm5+V1PGpzIEWT0/sf
TLSH
T172A57D2236E84075E8B643B08EF8A91695BCFD3107318CDB53E0554E7A729D29877B3B
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

76:c6:d6:3b:d0:1f:1d:fa:e5:87:75:30:33:60:52:05:70:62:09:00:46:6d:7c:40:7b:27:82:1c:49:23:b3:b1

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

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

Chains

Sep 9, 2025

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

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

33:00:00:04:7e:ac:fa:0a:41:ff:7e:13:f5:00:00:00:00:04:7e

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Timespan

May 15, 2025 - May 15, 2026

Subject

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

Serial Number

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

Issuer

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

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft Ireland Operations Limited+OU=nShield TSS ESN:6F1A-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:01:fc:18:a0:af:cc:69:5a:87:3a:00:01:00:00:01:fc

Issuer

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

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Timespan

Jul 25, 2024 - Oct 22, 2025

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

Timespan

Sep 30, 2021 - Sep 30, 2030

Minor OS version

1

Major OS version

5

Entry point

1194576

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 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

452KB

Virtual Size

451KB

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

207KB

Virtual Size

207KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_READ

Name

.reloc

Size

71KB

Virtual Size

70KB

Characteristics

IMAGE_SCN_CNT_INITIALIZED_DATA IMAGE_SCN_MEM_DISCARDABLE IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

File Explorer

a191de50cb9a70cf6868bf545f1de54974c0e6654d7b9f1ebd2235a00aacfbac

PE Signature issue

kernel32

netapi32

version

wtsapi32

generic