83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22

General

Target
83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22
Size 2.2MB
Sample260416-e63c6aax7y
SHA256 83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22
MD5 c45663d7d1dd331f75780937f38eb94a
SHA1 2b53470d7e9219aac0d9c271045ebb15031a140c
SHA512 6cb87f10d88ea0ff642a263ab1adb92cb26a5ff309be5c1e5e8cbc2c8bd83c8a9bbb68629929e02f4b014da8aac49f1a85e0d44572beb26a61dcc7fc80966295
SSDEEP 49152:/RiFBpbVQBFY4nDlNKJ90catMmR2eC5haW/6AplG+aZB7jt:ZCLxQBFYiFxMmDW/3pYBN
TLSH
T163B58D2235E84175E8B243B08EF8A91695BCFD310B318CDB53B0554E7A72AD25877B3B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22

File Explorer

83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22

.dll 2.2MB

83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22

IMPHASH f488c196831b4696983c5a865aea58c5
SHA256 83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22
MD5 c45663d7d1dd331f75780937f38eb94a
SHA1 2b53470d7e9219aac0d9c271045ebb15031a140c
SHA512 6cb87f10d88ea0ff642a263ab1adb92cb26a5ff309be5c1e5e8cbc2c8bd83c8a9bbb68629929e02f4b014da8aac49f1a85e0d44572beb26a61dcc7fc80966295
SSDEEP 49152:/RiFBpbVQBFY4nDlNKJ90catMmR2eC5haW/6AplG+aZB7jt:ZCLxQBFYiFxMmDW/3pYBN
TLSH
T163B58D2235E84175E8B243B08EF8A91695BCFD310B318CDB53B0554E7A72AD25877B3B
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

ec:fe:78:af:94:ff:4f:31:8e:2f:43:bf:97:00:ff:b3:2f:83:5a:29:26:bf:55:79:3b:0b:7b:2b:85:87:1f:58

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Signing Certificate

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

Chains

Jul 25, 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

33:00:00:04:7f:2f:42:2a:73:53:08:de:ea:00:00:00:00:04:7f

Issuer

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

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

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

Revocation Status

Not revoked

Timespan

Jul 8, 2011 - Jul 8, 2026

Subject

CN=Microsoft Time-Stamp Service,OU=Microsoft America Operations+OU=nShield TSS ESN:8603-05E0-D947,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Serial Number

33:00:00:02:07:2c:11:39:89:cd:85:fb:c5:00:01:00:00:02:07

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

Jan 30, 2025 - Apr 22, 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

1193936

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

451KB

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

206KB

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

83f6116e8952ef8756d15ba07a65a38c5f4ffd5d55777e4dad52d71d6ded4c22

PE Signature issue

kernel32

netapi32

version

wtsapi32

generic