C:\buildslave\unity\build\build\WindowsStandaloneSupport\Variations\win64_nondevelopment_mono\WindowsPlayer_x64_Master.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-07-09_45b574a5923dd6bf700425902b6619e7_ryuk.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
2024-07-09_45b574a5923dd6bf700425902b6619e7_ryuk.exe
Resource
win10v2004-20240704-en
General
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Target
2024-07-09_45b574a5923dd6bf700425902b6619e7_ryuk
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Size
1.3MB
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MD5
45b574a5923dd6bf700425902b6619e7
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SHA1
67393144b04805b34267e6c7215ff794b8b50fca
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SHA256
c8dadb18bf6d72322c0bb2a164c4eeb71748ab92d953d95643586f7cbbaf2801
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SHA512
622f52493e515c0d9a9dc2889130d1574039405e70ac5bc764fcce430f96d424d84efa309b9fb3187b73567b80625b39e3d114070ea3b9709fcb4ecdaedd9e24
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SSDEEP
24576:QdaIMRQHHHH/3UMtNixz1zh8WRmlh8t0D+7y8G2G9yL0cMoThTR9PyuLzpQo:QdavQHHHHvUONixz198Wm+brLC2hTR91
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-07-09_45b574a5923dd6bf700425902b6619e7_ryuk
Files
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2024-07-09_45b574a5923dd6bf700425902b6619e7_ryuk.exe windows:5 windows x64 arch:x64
30fc819c693eeaf8941de56adbfe3dab
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
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
.bind Size: 736KB - Virtual size: 740KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE