Static task
static1
Behavioral task
behavioral1
Sample
2024-04-11_d7176eec8bf2f8d64387cfba0fee9261_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-11_d7176eec8bf2f8d64387cfba0fee9261_ryuk.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-11_d7176eec8bf2f8d64387cfba0fee9261_ryuk
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Size
33.3MB
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MD5
d7176eec8bf2f8d64387cfba0fee9261
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SHA1
1f2f680c7b86b3bbbd5d7ca53af52b32102e418a
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SHA256
c5dff43d09824830ad31a7cf11119e2e113e2a6c1fd88068d7761a21e19014fe
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SHA512
49cf3b5382dad88625f70e02383d25c5ac1fb75d49131147f8ed28e7ed1ac32e067951377b1b7ff64ac8506ddf1d02e7cc1d0b48efee7f8fcb49d8d1b7230467
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SSDEEP
12288:GLZvm88Gxbmg/AWKEq8L0jWdgCdXZ3Jcs9048zUO0gVx2UTXMT:GRT8GkU6Eq8L0jWZdXZ3Ss9JzmxX2
Malware Config
Signatures
Files
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2024-04-11_d7176eec8bf2f8d64387cfba0fee9261_ryuk.exe windows:6 windows x64 arch:x64
480201c8692084c8a00af20171415d58
Code Sign
78:d5:7b:a3:08:b3:bc:6d:b7:41:a2:7b:d5:7d:ac:edCertificate
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
FindActCtxSectionStringW
WideCharToMultiByte
ReadConsoleOutputCharacterA
GetModuleHandleA
SetVolumeMountPointW
InitializeCriticalSectionEx
DeleteCriticalSection
MultiByteToWideChar
GetProcAddress
FindFirstVolumeA
CreateHardLinkTransactedA
LoadLibraryW
GetModuleFileNameA
SetThreadpoolThreadMaximum
SetSystemTime
GetPriorityClass
GetThreadPriority
CreateRemoteThread
HeapSize
HeapReAlloc
HeapDestroy
SearchPathW
Heap32ListNext
WriteConsoleW
FlushFileBuffers
SetFilePointerEx
GetConsoleMode
GetConsoleCP
SetStdHandle
GetProcessHeap
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
IsDebuggerPresent
OutputDebugStringW
RaiseException
GetLastError
EnterCriticalSection
LeaveCriticalSection
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
RtlUnwindEx
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
SetLastError
GetCurrentProcess
TerminateProcess
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetStringTypeW
GetFileType
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
CreateFileW
gdi32
GetBoundsRect
AbortPath
CreateEnhMetaFileW
SetPixelFormat
advapi32
CredRenameW
RegCreateKeyExW
OpenBackupEventLogW
GetLengthSid
CopySid
AreAnyAccessesGranted
AddAccessDeniedAce
AddAccessAllowedAceEx
PerfIncrementULongCounterValue
CredUnmarshalCredentialW
shlwapi
StrToInt64ExA
PathBuildRootW
PathUnmakeSystemFolderA
StrRChrW
oledlg
OleUIInsertObjectW
ord11
ord3
OleUIPasteSpecialW
ord4
OleUIConvertW
ord10
OleUIAddVerbMenuW
Sections
.text Size: 952KB - Virtual size: 951KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 152KB - Virtual size: 152KB
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: 24KB - Virtual size: 24KB
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