Static task
static1
Behavioral task
behavioral1
Sample
Youdao-Dfy.exe
Resource
win7-20240903-en
General
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Target
Youdao-Dfy.exe.v
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Size
187.0MB
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MD5
529093922b20cacdbe9468e6ec268303
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SHA1
65845ff97b926a12bc7d04d634cea5904d6948bb
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SHA256
1ec75f7ede43cba14b13cda4f17c80b90bf3dda9e0cfef3c1a8afc3b7bb77108
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SHA512
850551f68faf676bd922c2d73d9ead39f50903540f90bd6de98eb936d9bbe8f49d4cae4077873cf7ea6e926de76d584ba02c02baf4a2d2fd995956a03e3e3ba4
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SSDEEP
3145728:3xIVCVXBgw+He0hZV+RQHqHpXAleofkywBiKmwzEQoTu0vtVj9I+/LFLrIfc7B:aVMuwX0fAR6qJMeoGiKmjQyHvfj9rpEI
Malware Config
Signatures
Files
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Youdao-Dfy.exe.v.exe windows:6 windows x86 arch:x86
21314122cd4542a6b9b297f52a87acbe
Code Sign
01Certificate
IssuerCN=tmi.me,O=google.am,C=BENot Before05/09/2024, 05:14Not After03/09/2033, 05:14SubjectCN=tmi.me,O=google.am,C=BE0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
01Certificate
IssuerCN=tmi.me,O=google.am,C=BENot Before05/09/2024, 05:14Not After03/09/2033, 05:14SubjectCN=tmi.me,O=google.am,C=BE05:44:af:f3:94:9d:08:39:a6:bf:db:3f:5f:e5:61:16Certificate
IssuerCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USNot Before14/07/2023, 00:00Not After13/10/2034, 23:59SubjectCN=DigiCert Timestamp 2023,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
07:36:37:b7:24:54:7c:d8:47:ac:fd:28:66:2a:5e:5bCertificate
IssuerCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before23/03/2022, 00:00Not After22/03/2037, 23:59SubjectCN=DigiCert Trusted G4 RSA4096 SHA256 TimeStamping CA,O=DigiCert\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
0e:9b:18:8e:f9:d0:2d:e7:ef:db:50:e2:08:40:18:5aCertificate
IssuerCN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=USNot Before01/08/2022, 00:00Not After09/11/2031, 23:59SubjectCN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
f1:60:7e:23:0c:46:89:8d:55:0e:ff:59:d8:d2:9d:fe:be:09:d8:6c:70:3e:d1:c8:b8:b5:7c:df:a4:b8:dc:58Signer
Actual PE Digestf1:60:7e:23:0c:46:89:8d:55:0e:ff:59:d8:d2:9d:fe:be:09:d8:6c:70:3e:d1:c8:b8:b5:7c:df:a4:b8:dc:58Digest Algorithmsha256PE Digest Matchestrue59:69:3c:3f:78:1e:99:08:55:c6:1c:24:58:2d:91:c9:5b:27:17:56Signer
Actual PE Digest59:69:3c:3f:78:1e:99:08:55:c6:1c:24:58:2d:91:c9:5b:27:17:56Digest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
C:\ReleaseAI\win\Release\stubs\x86\ExternalUi.pdb
Imports
kernel32
CreateFileW
CloseHandle
WriteFile
DeleteFileW
HeapDestroy
HeapSize
HeapReAlloc
HeapFree
HeapAlloc
GetProcessHeap
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
CreateEventExW
WaitForSingleObject
CreateProcessW
GetLastError
GetExitCodeProcess
SetEvent
RemoveDirectoryW
GetProcAddress
GetModuleHandleW
GetWindowsDirectoryW
CreateDirectoryW
GetTempPathW
GetTempFileNameW
MoveFileW
EnterCriticalSection
LeaveCriticalSection
GetModuleFileNameW
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
GetCurrentThreadId
RaiseException
SetLastError
GlobalUnlock
GlobalLock
GlobalAlloc
MulDiv
lstrcmpW
CreateEventW
FindClose
FindFirstFileW
GetFullPathNameW
InitializeCriticalSection
lstrcpynW
CreateThread
LoadLibraryExW
GetCurrentProcess
Sleep
WideCharToMultiByte
GetDiskFreeSpaceExW
DecodePointer
GetExitCodeThread
GetCurrentProcessId
FreeLibrary
GetSystemDirectoryW
lstrlenW
VerifyVersionInfoW
VerSetConditionMask
lstrcmpiW
LoadLibraryW
GetDriveTypeW
CompareStringW
FindNextFileW
GetLogicalDriveStringsW
GetFileSize
GetFileAttributesW
GetShortPathNameW
GetFinalPathNameByHandleW
SetFileAttributesW
GetFileTime
CopyFileW
ReadFile
SetFilePointer
SetFileTime
SystemTimeToFileTime
MultiByteToWideChar
GetSystemInfo
WaitForMultipleObjects
GetVersionExW
VirtualProtect
VirtualQuery
LoadLibraryExA
GetStringTypeW
LocalFree
LocalAlloc
SetUnhandledExceptionFilter
FileTimeToSystemTime
GetEnvironmentVariableW
GetSystemTime
GetDateFormatW
GetTimeFormatW
GetLocaleInfoW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
FormatMessageW
GetEnvironmentStringsW
InitializeCriticalSectionEx
LoadLibraryA
GetModuleFileNameA
GetCurrentThread
GetConsoleOutputCP
FlushFileBuffers
Wow64DisableWow64FsRedirection
Wow64RevertWow64FsRedirection
IsWow64Process
SetConsoleTextAttribute
GetStdHandle
GetConsoleScreenBufferInfo
OutputDebugStringW
GetTickCount
GetCommandLineW
SetCurrentDirectoryW
SetEndOfFile
EnumResourceLanguagesW
GetSystemDefaultLangID
GetUserDefaultLangID
GetLocalTime
ResetEvent
GlobalFree
GetPrivateProfileStringW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
CreateNamedPipeW
ConnectNamedPipe
TerminateThread
CompareFileTime
CopyFileExW
OpenEventW
PeekNamedPipe
WaitForSingleObjectEx
QueryPerformanceCounter
QueryPerformanceFrequency
EncodePointer
LCMapStringEx
CompareStringEx
GetCPInfo
GetSystemTimeAsFileTime
IsDebuggerPresent
InitializeSListHead
InterlockedPopEntrySList
InterlockedPushEntrySList
FlushInstructionCache
IsProcessorFeaturePresent
VirtualAlloc
VirtualFree
UnhandledExceptionFilter
TerminateProcess
GetStartupInfoW
RtlUnwind
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
ExitProcess
GetFileType
LCMapStringW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetTimeZoneInformation
GetConsoleMode
GetFileSizeEx
SetFilePointerEx
FindFirstFileExW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
ReadConsoleW
WriteConsoleW
GetProcessAffinityMask
GetModuleHandleA
GlobalMemoryStatus
ReleaseSemaphore
CreateSemaphoreW
Sections
.text Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 571KB - Virtual size: 570KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 15KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 465KB - Virtual size: 465KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 162KB - Virtual size: 162KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ