2024-05-17_b5637fa17a92c0bbc6f9af1c962dbf16_ryuk

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General

Target

2024-05-17_b5637fa17a92c0bbc6f9af1c962dbf16_ryuk
Size

14.9MB
MD5

b5637fa17a92c0bbc6f9af1c962dbf16
SHA1

838e88697c43569d7757a6b14a11c353f61257a9
SHA256

ab514866164230a401ccc89b877ae7091f15e4171b4ba5de89ff0eff7b5fe80b
SHA512

979aa373057399a29058e0286fa876b93724bd32f9c026e98591d3c97032b9f9dfcf1f0c6d87a1b1fa38eafea4c11cac0dfece8621f3b6e9216eb3b1084dc7ad
SSDEEP

196608:B7APhNNECwHrc8u3x3AEcq/fByuKlWH3CToulQ1:BahvQHrc8u3xXJ/f4uUWHl1

Score

10^/10

Malware Config

Signatures

Detects executables packed with Dotfuscator 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_Dotfuscator

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_SmartAssembly

Detects executables packed with Yano Obfuscator 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_Yano

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-17_b5637fa17a92c0bbc6f9af1c962dbf16_ryuk

Files

2024-05-17_b5637fa17a92c0bbc6f9af1c962dbf16_ryuk
.exe windows:5 windows x64 arch:x64

de3ca1063f296a07162a7f96227c6216

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

C:\b\s\w\ir\cache\builder\src\out\Release_x64\software_reporter_tool.exe.pdb

Imports

advapi32

AccessCheck
AddMandatoryAce
AdjustTokenPrivileges
BuildExplicitAccessWithNameW
BuildSecurityDescriptorW
BuildTrusteeWithSidW
ConvertSidToStringSidW
ConvertStringSecurityDescriptorToSecurityDescriptorW
ConvertStringSidToSidW
CreateProcessAsUserW
CreateRestrictedToken
CreateWellKnownSid
DuplicateToken
DuplicateTokenEx
EqualSid
EventRegister
EventUnregister
EventWrite
FreeSid
GetAce
GetKernelObjectSecurity
GetLengthSid
GetNamedSecurityInfoW
GetSecurityDescriptorDacl
GetSecurityDescriptorSacl
GetSecurityInfo
GetSidSubAuthority
GetTokenInformation
GetTraceEnableFlags
GetTraceEnableLevel
GetTraceLoggerHandle
ImpersonateLoggedOnUser
ImpersonateNamedPipeClient
InitializeAcl
InitializeSecurityDescriptor
InitializeSid
IsValidSid
LookupAccountSidW
LookupPrivilegeValueW
MapGenericMask
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegDeleteKeyExW
RegDeleteValueW
RegDisablePredefinedCache
RegEnumKeyExW
RegOpenKeyExW
RegQueryValueExA
RegQueryValueExW
RegSetValueExW
RegisterTraceGuidsW
RevertToSelf
SetEntriesInAclW
SetKernelObjectSecurity
SetNamedSecurityInfoW
SetSecurityDescriptorDacl
SetSecurityInfo
SetThreadToken
SetTokenInformation
SystemFunction036
TraceEvent
UnregisterTraceGuids

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

oleaut32

SysAllocString
SysAllocStringByteLen
SysAllocStringLen
SysFreeString
VariantClear

shell32

CommandLineToArgvW
SHGetFolderPathW
SHGetKnownFolderPath

user32

CloseDesktop
CloseWindowStation
CreateDesktopW
CreateWindowExW
CreateWindowStationW
DefWindowProcW
DestroyWindow
DispatchMessageW
GetMessageW
GetProcessWindowStation
GetQueueStatus
GetThreadDesktop
GetUserObjectInformationW
GetWindowLongPtrW
KillTimer
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
RegisterClassW
SetProcessWindowStation
SetTimer
SetWindowLongPtrW
TranslateMessage
UnregisterClassW

wininet

InternetCheckConnectionW

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AssignProcessToJobObject
CallbackMayRunLong
CancelIo
CloseHandle
CloseThreadpool
CloseThreadpoolWork
CompareStringW
ConnectNamedPipe
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateJobObjectW
CreateMutexW
CreateNamedPipeW
CreateProcessW
CreateRemoteThread
CreateSemaphoreW
CreateThread
CreateThreadpool
CreateThreadpoolWork
DebugBreak
DecodePointer
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DisconnectNamedPipe
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesEx
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushViewOfFile
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentProcessorNumber
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDiskFreeSpaceExW
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileAttributesExW
GetFileAttributesW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSizeEx
GetFileTime
GetFileType
GetFullPathNameW
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalProcessorInformation
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHandleCount
GetProcessHeap
GetProcessHeaps
GetProcessId
GetProcessIoCounters
GetProcessTimes
GetProcessWorkingSetSizeEx
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDefaultLCID
GetSystemDirectoryW
GetSystemInfo
GetSystemTimeAsFileTime
GetTempPathW
GetThreadContext
GetThreadId
GetThreadLocale
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetUserDefaultLangID
GetUserDefaultLocaleName
GetUserPreferredUILanguages
GetVersionExW
GetVolumeInformationW
GetVolumePathNameW
GetWindowsDirectoryW
GlobalFree
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSetInformation
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32EnumProcessModulesEx
K32EnumProcesses
K32GetModuleFileNameExW
K32GetModuleInformation
K32GetProcessMemoryInfo
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalFree
LockFileEx
LockResource
MapViewOfFile
MoveFileW
MultiByteToWideChar
OpenProcess
OutputDebugStringA
OutputDebugStringW
PeekNamedPipe
PostQueuedCompletionStatus
QueryDosDeviceW
QueryFullProcessImageNameW
QueryInformationJobObject
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
ReadProcessMemory
RegisterWaitForSingleObject
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ReleaseSemaphore
RemoveDirectoryW
ReplaceFileW
ResetEvent
ResumeThread
SetConsoleCtrlHandler
SetCurrentDirectoryW
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetInformationJobObject
SetLastError
SetNamedPipeHandleState
SetPriorityClass
SetProcessShutdownParameters
SetProcessWorkingSetSizeEx
SetStdHandle
SetThreadAffinityMask
SetThreadPriority
SetThreadpoolThreadMaximum
SetThreadpoolThreadMinimum
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SleepEx
SubmitThreadpoolWork
SuspendThread
SwitchToThread
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateJobObject
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TransactNamedPipe
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
UnregisterWait
UnregisterWaitEx
UpdateProcThreadAttribute
VerifyVersionInfoW
VirtualAlloc
VirtualAllocEx
VirtualFree
VirtualFreeEx
VirtualProtect
VirtualProtectEx
VirtualQuery
VirtualQueryEx
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitForThreadpoolWorkCallbacks
WaitNamedPipeW
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
Wow64GetThreadContext
WriteConsoleW
WriteFile
WriteProcessMemory
lstrlenW

ole32

CoCreateInstance
CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemFree
CoUninitialize

secur32

GetUserNameExW

winhttp

WinHttpAddRequestHeaders
WinHttpCloseHandle
WinHttpConnect
WinHttpCrackUrl
WinHttpGetIEProxyConfigForCurrentUser
WinHttpGetProxyForUrl
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryDataAvailable
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetOption
WinHttpSetStatusCallback
WinHttpSetTimeouts
WinHttpWriteData

iphlpapi

CancelIPChangeNotify
NotifyAddrChange

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

ntdll

RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
VerSetConditionMask

shlwapi

PathMatchSpecW

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

Exports

Exports

GetHandleVerifier
IsSandboxedProcess

Sections

.text
Size: 2.6MB - Virtual size: 2.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 495KB - Virtual size: 495KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 69KB - Virtual size: 132KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 113KB - Virtual size: 113KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 108B

.tls
Size: 512B - Virtual size: 393B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.voltbl
Size: 512B - Virtual size: 68B

CPADinfo
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

malloc_h
Size: 512B - Virtual size: 236B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 11.1MB - Virtual size: 11.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 580KB - Virtual size: 584KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

de3ca1063f296a07162a7f96227c6216

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

oleaut32

shell32

user32

wininet

kernel32

ole32

secur32

winhttp

iphlpapi

version

ntdll

shlwapi

winmm

Exports

Exports

Sections

.text Size: 2.6MB - Virtual size: 2.6MB

.rdata Size: 495KB - Virtual size: 495KB

.data Size: 69KB - Virtual size: 132KB

.pdata Size: 113KB - Virtual size: 113KB

.00cfg Size: 512B - Virtual size: 40B

.gxfg Size: 12KB - Virtual size: 11KB

.retplne Size: 512B - Virtual size: 108B

.tls Size: 512B - Virtual size: 393B

.voltbl Size: 512B - Virtual size: 68B

CPADinfo Size: 512B - Virtual size: 56B

_RDATA Size: 512B - Virtual size: 244B

malloc_h Size: 512B - Virtual size: 236B

.rsrc Size: 11.1MB - Virtual size: 11.1MB

.reloc Size: 580KB - Virtual size: 584KB

.text
Size: 2.6MB - Virtual size: 2.6MB

.rdata
Size: 495KB - Virtual size: 495KB

.data
Size: 69KB - Virtual size: 132KB

.pdata
Size: 113KB - Virtual size: 113KB

.00cfg
Size: 512B - Virtual size: 40B

.gxfg
Size: 12KB - Virtual size: 11KB

.retplne
Size: 512B - Virtual size: 108B

.tls
Size: 512B - Virtual size: 393B

.voltbl
Size: 512B - Virtual size: 68B

CPADinfo
Size: 512B - Virtual size: 56B

_RDATA
Size: 512B - Virtual size: 244B

malloc_h
Size: 512B - Virtual size: 236B

.rsrc
Size: 11.1MB - Virtual size: 11.1MB

.reloc
Size: 580KB - Virtual size: 584KB