C:\BuildAgent\work\3edc94783d8e5112\Tools\FreqTransfer\bin\Release\FreqTransfer64.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-06-27_0f9f239cdda192bdc087caa18302c45e_ryuk.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-27_0f9f239cdda192bdc087caa18302c45e_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-27_0f9f239cdda192bdc087caa18302c45e_ryuk
-
Size
4.7MB
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MD5
0f9f239cdda192bdc087caa18302c45e
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SHA1
2ba132d8e6cd5b97fe18ca615c476ab4f1d9d5bb
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SHA256
302254aa761acb8d19d7be16ac790b56e334ffced3b53c1a3c442fc82b2934fd
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SHA512
58051b45a09a1db18dc8da0c43720b7924c81f3b9c3b896d8ba64952e321903103231cc7a0d7ad6cce88a1d8a1bcf0b1eb95092f20696405ee3e520ca13882bd
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SSDEEP
49152:3etQr6NePdxTunAYrtJ6xi+7MB/cj+pTmFZhpK8GRODmg27RnWGj:yUinQ1ZrK8sOD527BWG
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-06-27_0f9f239cdda192bdc087caa18302c45e_ryuk
Files
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2024-06-27_0f9f239cdda192bdc087caa18302c45e_ryuk.exe windows:6 windows x64 arch:x64
67dc2d1cea0bbb857e9716d93c473e01
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
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
DeleteCriticalSection
QueryPerformanceFrequency
QueryPerformanceCounter
CreateSemaphoreA
FormatMessageA
LocalFree
TryEnterCriticalSection
GetCurrentThreadId
CloseHandle
DuplicateHandle
WaitForSingleObjectEx
Sleep
GetCurrentProcess
GetCurrentThread
GetExitCodeThread
GetNativeSystemInfo
WideCharToMultiByte
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetTickCount
GetModuleHandleW
GetProcAddress
EncodePointer
DecodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
SetEvent
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
CreateTimerQueue
GetLastError
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleFileNameW
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualFree
VirtualProtect
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
LoadLibraryW
WaitForSingleObject
RtlPcToFileHeader
RaiseException
RtlUnwindEx
ExitProcess
GetModuleHandleExW
HeapAlloc
HeapFree
ExitThread
HeapReAlloc
GetModuleFileNameA
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
GetDateFormatW
GetTimeFormatW
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap
GetTimeZoneInformation
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetStdHandle
WriteConsoleW
ReadConsoleW
CreateFileW
HeapSize
SetEndOfFile
DebugBreak
windowscodecs
WICConvertBitmapSource
ole32
CoInitialize
CoUninitialize
CoCreateInstance
Sections
.text Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.4MB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 68KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 576KB - Virtual size: 580KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE