B:\b\discord_desktop\build_x64\x64_mt\DiscordHookHelper64.exe.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-08-28_4f468ec00704d91f5a96d8c66bb0252f_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-08-28_4f468ec00704d91f5a96d8c66bb0252f_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-08-28_4f468ec00704d91f5a96d8c66bb0252f_ryuk
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Size
1.9MB
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MD5
4f468ec00704d91f5a96d8c66bb0252f
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SHA1
4569b688492fab19c9b58dbfc78e9fee0d83146b
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SHA256
6885936c898d4c188e03faa7ad05960b5b97d600c80793d93652eb6e36c10f51
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SHA512
a3ed5f2863b117620a21fa3e9187f6ece74c3a8d43c75c908d1cb3f4502c1108a7398238cef59bdfb37dbe9c56cde57c659e01e0dc751cfe02d83fb8d4646a5f
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SSDEEP
12288:f3smBcxtD3C/1yu0mcc70zhaPxwzCbOa22p8dVUVNVDdm5QuS8tY1HdodRB87uU6:fA2F2FS8tSHdSM7NnmkUv+KzF+yH3
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-08-28_4f468ec00704d91f5a96d8c66bb0252f_ryuk
Files
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2024-08-28_4f468ec00704d91f5a96d8c66bb0252f_ryuk.exe windows:6 windows x64 arch:x64
e8c01ba14f9b96cced2a4b42e607c663
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
kernel32
AcquireSRWLockExclusive
CloseHandle
CompareStringEx
CompareStringW
CreateEventW
CreateFileW
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetExitCodeThread
GetFileSizeEx
GetFileType
GetFinalPathNameByHandleW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
K32GetModuleInformation
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
Module32FirstW
Module32NextW
MultiByteToWideChar
OpenFileMappingA
OpenProcess
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReleaseSRWLockExclusive
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEnvironmentVariableW
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
Sleep
TerminateProcess
Thread32First
Thread32Next
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoW
WaitForSingleObject
WideCharToMultiByte
WriteConsoleW
WriteFile
user32
CreateWindowExA
DefWindowProcA
DestroyWindow
EnumThreadWindows
GetWindowLongPtrW
PostThreadMessageW
RegisterClassA
UnhookWindowsHookEx
advapi32
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
shell32
CommandLineToArgvW
ole32
CoCreateInstance
CoInitializeEx
CoTaskMemFree
shlwapi
PathFindFileNameW
dbghelp
MiniDumpWriteDump
crypt32
CertCloseStore
CertFindCertificateInStore
CertFreeCertificateContext
CertGetNameStringW
CryptHashPublicKeyInfo
CryptMsgClose
CryptMsgGetParam
CryptQueryObject
wintrust
WinVerifyTrust
Sections
.text Size: 387KB - Virtual size: 386KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 99KB - Virtual size: 99KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.00cfg Size: 512B - Virtual size: 48B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gxfg Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.retplne Size: 512B - Virtual size: 140B
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.voltbl Size: 512B - Virtual size: 60B
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE