Static task
static1
Behavioral task
behavioral1
Sample
2024-06-03_54fc21a49b15894d7e2beb34eb6314dc_ryuk.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-03_54fc21a49b15894d7e2beb34eb6314dc_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-03_54fc21a49b15894d7e2beb34eb6314dc_ryuk
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Size
33.1MB
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MD5
54fc21a49b15894d7e2beb34eb6314dc
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SHA1
e377d89bfda8bfc87544313d37f49a4073710dfa
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SHA256
a39cc78527208f556e871793fbac8ba69d9d01b4b6b044f5f82e4b2015652286
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SHA512
7d7c695df338977266f40754f920e9f25501a5b735e74c402ec25d75be5d44653c95c97d9b7fa9ed092c43dd3e79f17df6186c8e6931817209ef67da00e4cf3d
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SSDEEP
12288:fFy6rxOdCrrrVg7De7y1GUpkeSNzg0BeYCSObdIWgMvSaYPLgORwXWAWj9nXBCrz:9+g8GysXEDQNupdvf+kCz0KLeGgX
Malware Config
Signatures
Files
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2024-06-03_54fc21a49b15894d7e2beb34eb6314dc_ryuk.exe windows:6 windows x64 arch:x64
a25af41d096e1037f93cc5d232f2798c
Code Sign
0c:bd:1b:21:69:1f:35:ba:49:16:7e:8f:32:1b:23:c9Certificate
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
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
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: 806KB - Virtual size: 806KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 114KB - 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: 14KB - Virtual size: 14KB
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