2024-04-29_17a165761ab2dc1bc6b94903ce3402af_ryuk

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General

Target

2024-04-29_17a165761ab2dc1bc6b94903ce3402af_ryuk
Size

3.0MB
MD5

17a165761ab2dc1bc6b94903ce3402af
SHA1

c418a974c92d3d05451e1f3ae543e6c83110fbc6
SHA256

3a41af593e33ef303782d59ff8b1df64f8c485115e5e25cc81c1eeb5ff6d925f
SHA512

390bdc4bbdddc8af65eee1d9f62b18474988e84d5749a3355d4a4c0fbf60a51ad457adef39c5013f00d1550739762ab1869332fa19f300537c4b582d7498082a
SSDEEP

49152:L4gY5J1a/QLaXYzP+Nm6uthOrLZLHiTe8P6Dmg27RnWGj:+HthOrsa8iD527BWG

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-29_17a165761ab2dc1bc6b94903ce3402af_ryuk

Files

2024-04-29_17a165761ab2dc1bc6b94903ce3402af_ryuk
.exe windows:5 windows x64 arch:x64

e1ab559c03814b6171626f15508e01d3

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

launcher.exe.pdb

Imports

advapi32

AccessCheck
AdjustTokenPrivileges
AllocateAndInitializeSid
BuildExplicitAccessWithNameW
BuildTrusteeWithSidW
CheckTokenMembership
ConvertSidToStringSidW
CreateProcessAsUserW
DuplicateToken
EqualSid
EventRegister
EventUnregister
EventWrite
FreeSid
GetExplicitEntriesFromAclW
GetLengthSid
GetNamedSecurityInfoW
GetTokenInformation
GetUserNameW
InitializeAcl
InitializeSecurityDescriptor
IsValidSid
LookupPrivilegeValueW
OpenProcessToken
RegCloseKey
RegCreateKeyExW
RegDeleteKeyExW
RegDeleteKeyW
RegDeleteValueW
RegEnumKeyExW
RegEnumValueW
RegGetKeySecurity
RegNotifyChangeKeyValue
RegOpenKeyExW
RegQueryInfoKeyW
RegQueryValueExW
RegSetValueExW
SetEntriesInAclW
SetNamedSecurityInfoW
SetSecurityDescriptorDacl
SystemFunction036

dbghelp

SymCleanup
SymFromAddr
SymGetLineFromAddr64
SymGetSearchPathW
SymInitialize
SymSetOptions
SymSetSearchPathW

oleaut32

SafeArrayCreate
SafeArrayGetVartype
SafeArrayPutElement
SysAllocString
SysAllocStringByteLen
SysFreeString
SysStringByteLen
VarUI4FromStr
VariantClear
VariantInit
VariantTimeToSystemTime

shell32

CommandLineToArgvW
ord190
ord155
SHChangeNotify
SHCreateItemFromParsingName
SHGetFolderPathW
SHGetKnownFolderPath
SHOpenWithDialog
ShellExecuteExW
ShellExecuteW

shlwapi

PathMatchSpecW
SHDeleteKeyW

user32

AllowSetForegroundWindow
CharLowerW
CharNextW
CharUpperW
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
FindWindowExW
GetActiveWindow
GetDesktopWindow
GetForegroundWindow
GetQueueStatus
GetWindowLongPtrW
GetWindowRect
KillTimer
LoadStringW
MessageBoxW
MsgWaitForMultipleObjectsEx
PeekMessageW
PostMessageW
PostQuitMessage
RegisterClassExW
SendInput
SendNotifyMessageW
SetForegroundWindow
SetTimer
SetWindowLongPtrW
SetWindowPos
ShowWindow
TranslateMessage
UnregisterClassW
WaitForInputIdle
wsprintfW

version

GetFileVersionInfoSizeW
GetFileVersionInfoW
VerQueryValueW

ws2_32

WSACloseEvent
WSACreateEvent
WSAEnumNetworkEvents
WSAEventSelect
WSAGetLastError
WSAGetOverlappedResult
WSAResetEvent
WSAStartup
accept
closesocket
getsockname
ioctlsocket
recv
shutdown

kernel32

AcquireSRWLockExclusive
AssignProcessToJobObject
CallbackMayRunLong
CancelIo
CloseHandle
CloseThreadpool
CloseThreadpoolWork
CompareStringOrdinal
CompareStringW
ConnectNamedPipe
CopyFileW
CreateDirectoryW
CreateEventW
CreateFileA
CreateFileMappingW
CreateFileW
CreateIoCompletionPort
CreateMutexW
CreateNamedPipeW
CreatePipe
CreateProcessW
CreateThread
CreateThreadpool
CreateThreadpoolWork
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
DeleteFileW
DeleteProcThreadAttributeList
DeviceIoControl
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsW
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindNextFileW
FindResourceExW
FindResourceW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFullPathNameW
GetHandleInformation
GetLastError
GetLocalTime
GetLocaleInfoW
GetLogicalDrives
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessId
GetProductInfo
GetQueuedCompletionStatus
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTempPathW
GetThreadId
GetThreadPreferredUILanguages
GetThreadPriority
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
GetWindowsDirectoryW
HeapAlloc
HeapDestroy
HeapFree
HeapReAlloc
HeapSize
InitOnceExecuteOnce
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeProcThreadAttributeList
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
IsWow64Process
K32GetModuleFileNameExW
K32QueryWorkingSetEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LoadResource
LocalAlloc
LocalFree
LockResource
MapViewOfFile
MoveFileExW
MultiByteToWideChar
OpenEventW
OpenProcess
OutputDebugStringA
OutputDebugStringW
PostQueuedCompletionStatus
Process32FirstW
Process32NextW
QueryPerformanceCounter
QueryPerformanceFrequency
QueryThreadCycleTime
RaiseException
ReadConsoleW
ReadFile
RegisterWaitForSingleObject
ReleaseMutex
ReleaseSRWLockExclusive
RemoveDirectoryW
ResetEvent
RtlCaptureContext
RtlCaptureStackBackTrace
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileAttributesW
SetFilePointerEx
SetHandleInformation
SetLastError
SetStdHandle
SetThreadPriority
SetThreadpoolThreadMaximum
SetThreadpoolThreadMinimum
SetUnhandledExceptionFilter
SizeofResource
Sleep
SleepConditionVariableSRW
SubmitThreadpoolWork
SystemTimeToFileTime
SystemTimeToTzSpecificLocalTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
TzSpecificLocalTimeToSystemTime
UnhandledExceptionFilter
UnmapViewOfFile
UnregisterWaitEx
UpdateProcThreadAttribute
VerSetConditionMask
VerifyVersionInfoW
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WaitForThreadpoolWorkCallbacks
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile
lstrcmpiW
lstrlenW

ole32

CLSIDFromString
CoAllowSetForegroundWindow
CoCreateInstance
CoInitializeEx
CoRegisterInitializeSpy
CoRevokeInitializeSpy
CoTaskMemAlloc
CoTaskMemFree
CoTaskMemRealloc
CoUninitialize
IIDFromString
PropVariantClear
StringFromGUID2

bcrypt

BCryptCloseAlgorithmProvider
BCryptCreateHash
BCryptDestroyHash
BCryptFinishHash
BCryptHashData
BCryptOpenAlgorithmProvider

secur32

GetUserNameExW

crypt32

CryptBinaryToStringW

userenv

CreateEnvironmentBlock
DestroyEnvironmentBlock

propsys

InitPropVariantFromCLSID

winmm

timeBeginPeriod
timeEndPeriod
timeGetTime

Exports

Exports

GetHandleVerifier
Launch

Sections

.text
Size: 1.8MB - Virtual size: 1.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 307KB - Virtual size: 306KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 37KB - Virtual size: 81KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 57KB - Virtual size: 57KB

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: 136B

.tls
Size: 512B - Virtual size: 297B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 200KB - Virtual size: 199KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 576KB - Virtual size: 580KB

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

e1ab559c03814b6171626f15508e01d3

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

dbghelp

oleaut32

shell32

shlwapi

user32

version

ws2_32

kernel32

ole32

bcrypt

secur32

crypt32

userenv

propsys

winmm

Exports

Exports

Sections

.text Size: 1.8MB - Virtual size: 1.8MB

.rdata Size: 307KB - Virtual size: 306KB

.data Size: 37KB - Virtual size: 81KB

.pdata Size: 57KB - Virtual size: 57KB

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

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

.retplne Size: 512B - Virtual size: 136B

.tls Size: 512B - Virtual size: 297B

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

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 200KB - Virtual size: 199KB

.reloc Size: 576KB - Virtual size: 580KB

.text
Size: 1.8MB - Virtual size: 1.8MB

.rdata
Size: 307KB - Virtual size: 306KB

.data
Size: 37KB - Virtual size: 81KB

.pdata
Size: 57KB - Virtual size: 57KB

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

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

.retplne
Size: 512B - Virtual size: 136B

.tls
Size: 512B - Virtual size: 297B

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

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 200KB - Virtual size: 199KB

.reloc
Size: 576KB - Virtual size: 580KB