Static task
static1
Behavioral task
behavioral1
Sample
2024-10-17_b265d19a2292157a19dcb745f8892973_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-17_b265d19a2292157a19dcb745f8892973_ryuk.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-17_b265d19a2292157a19dcb745f8892973_ryuk
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Size
33.1MB
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MD5
b265d19a2292157a19dcb745f8892973
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SHA1
7af2c2654817eece1562eea4e6661cbc0b42c51b
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SHA256
fd92e41503ef22da86cf872526e5fd3440c60b73ecc0c949f42a56e72b5a534f
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SHA512
c05a4591326a1de4221d6bc9d13f743c5fdc423edd93fc6561cc8299207f8e039db0a69cd293e74a4ab4a6f2286aed693136559291d9490b6b8fe9db10e7801e
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SSDEEP
12288:1ADeJkcYnV3UI9r8e04HN5qwx1/vjbgb6FV+hvf/uwoeevbMiiNJagdeRo+SZ7HK:1Dedhh7W3vv07neVYI21aTo
Malware Config
Signatures
Files
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2024-10-17_b265d19a2292157a19dcb745f8892973_ryuk.exe windows:6 windows x64 arch:x64
abb99c868592738a81c5156ffb8ecd5e
Code Sign
1a:48:e4:06:f5:ce:70:41:bc:81:1e:01:c7:63:36:a0Certificate
IssuerCN=FortuneSmileWorkTeam,L=Scottsdale,ST=Arizona,C=USNot Before09/03/2023, 00:00Not After09/03/2024, 23:59SubjectCN=FortuneSmileWorkTeam,L=Scottsdale,ST=Arizona,C=USSigner
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
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
Imports
kernel32
ActivateActCtx
WideCharToMultiByte
GetACP
ConvertDefaultLocale
FindNextVolumeMountPointW
InitializeCriticalSectionEx
DeleteCriticalSection
MultiByteToWideChar
CreateBoundaryDescriptorA
CopyFileA
GetProcAddress
TlsSetValue
ReleaseSemaphoreWhenCallbackReturns
HeapUnlock
HeapSize
HeapReAlloc
HeapDestroy
SetUnhandledExceptionFilter
OutputDebugStringA
GetFileInformationByHandle
GetDiskFreeSpaceA
GetModuleHandleA
CreateFileW
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
SetStdHandle
GetProcessHeap
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsDebuggerPresent
OutputDebugStringW
RaiseException
GetLastError
EnterCriticalSection
LeaveCriticalSection
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
RtlUnwindEx
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
EncodePointer
GetCurrentProcess
TerminateProcess
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetStringTypeW
GetFileType
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
WriteConsoleW
gdi32
SetLayout
SetMapMode
CreateCompatibleDC
DPtoLP
advapi32
AbortSystemShutdownA
CreateProcessWithLogonW
SetSecurityDescriptorOwner
FreeSid
AddAuditAccessAceEx
AccessCheckByTypeResultList
PerfIncrementULongLongCounterValue
PerfSetULongCounterValue
GetTrusteeTypeA
shlwapi
UrlIsOpaqueW
SHRegCreateUSKeyA
ord345
PathFindOnPathA
oledlg
OleUIPasteSpecialW
OleUIObjectPropertiesW
OleUIEditLinksW
OleUIBusyW
OleUIChangeSourceW
ord12
ord11
ord3
Sections
.text Size: 792KB - Virtual size: 791KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 113KB - Virtual size: 113KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 236B
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: 32.2MB - Virtual size: 32.2MB
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