C:\buildslave\unity\build\build\WindowsStandaloneSupport\Variations\win64_nondevelopment_mono\WindowsPlayer_x64_Master.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-03_61abcb858f261d083b7e5fd6040ea2cd_ryuk.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-07-03_61abcb858f261d083b7e5fd6040ea2cd_ryuk.exe
Resource
win10v2004-20240611-en
General
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Target
2024-07-03_61abcb858f261d083b7e5fd6040ea2cd_ryuk
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Size
635KB
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MD5
61abcb858f261d083b7e5fd6040ea2cd
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SHA1
f7781918140fb4c6b4ff17bb7a96ec96869817b8
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SHA256
d5f1741be22d37cb54ff5cba1cd41d7311095372b5d1dc5bff804b8c565afffa
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SHA512
0763d903b7a46302a8d1939301a2d9afff0e1b789d98a63faa2c0299ae1d8aa381ec02b2ec4b473845716b21601250dd5ed183f375a708ebe45abf342d70c39f
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SSDEEP
3072:fT01yJRVYulZo4YJZeUMil7FfBvMbGmDyW0f18dd:f9fYunoPZFpSOKd
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-03_61abcb858f261d083b7e5fd6040ea2cd_ryuk
Files
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2024-07-03_61abcb858f261d083b7e5fd6040ea2cd_ryuk.exe windows:5 windows x64 arch:x64
30fc819c693eeaf8941de56adbfe3dab
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
PDB Paths
Imports
unityplayer
UnityMain
kernel32
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
GetLastError
GetModuleFileNameW
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
GetStdHandle
WriteFile
MultiByteToWideChar
WideCharToMultiByte
GetCurrentProcess
ExitProcess
TerminateProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
RaiseException
advapi32
SystemFunction036
Exports
Exports
AmdPowerXpressRequestHighPerformance
NvOptimusEnablement
Sections
.text Size: 39KB - Virtual size: 39KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 34KB - Virtual size: 34KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 168B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 552KB - Virtual size: 552KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ