2024-09-27_ec04a7a3c311cdd8cd73cd47ea88f999_ryuk

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General

Target

2024-09-27_ec04a7a3c311cdd8cd73cd47ea88f999_ryuk
Size

1.1MB
MD5

ec04a7a3c311cdd8cd73cd47ea88f999
SHA1

a986e98671f2cfed7755a030827494febcf394bd
SHA256

158908361c9b84f202f2cdb6ae68fd17e5430a6a1cd672abc23c827d0db9354c
SHA512

88bcb736eccb6dbdcbb190801cbfd2d1662196b0d541b231ae147e6ff1dd210fcd23b39a0f5535a3837677b039743f2cf4eb8cf36acd9d9886a92a24fc93892b
SSDEEP

24576:b6hsTO4HnPvZ99xKpqGm9PsqjnhMgeiCl7G0nehbGZpbD:b6hsTVPVxKwhDmg27RnWGj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-09-27_ec04a7a3c311cdd8cd73cd47ea88f999_ryuk

Files

2024-09-27_ec04a7a3c311cdd8cd73cd47ea88f999_ryuk
.exe windows:6 windows x64 arch:x64

1b3f0084fe295bd61be019f5aa7d390c

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:\PROG\HotKey\x64\Release\LanWlanSwitchingService.pdb

Imports

iphlpapi

GetAdaptersInfo
GetAdaptersAddresses

kernel32

TerminateProcess
GetModuleFileNameW
GetProcessHeap
HeapAlloc
HeapFree
OutputDebugStringA
SetEvent
Sleep
CreateEventW
QueueUserWorkItem
DeleteCriticalSection
LocalFree
DecodePointer
RaiseException
CloseHandle
GetCurrentThread
GetLastError
LocalAlloc
InitializeCriticalSectionEx
GetCurrentProcess
GetTickCount
WaitForSingleObject
SetEndOfFile
WriteConsoleW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindFirstFileExW
ReadConsoleW
SetFilePointerEx
ReadFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
GetFileType
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
EnterCriticalSection
LeaveCriticalSection
TryEnterCriticalSection
GetCurrentThreadId
MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
QueryPerformanceCounter
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
EncodePointer
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
IsDebuggerPresent
OutputDebugStringW
GetLocalTime
InitializeCriticalSection
CreateDirectoryW
CreateMutexW
ReleaseMutex
GetFileAttributesExW
GetFullPathNameW
FindFirstFileW
FindNextFileW
FindClose
DeleteFileW
GetTempFileNameW
MoveFileW
HeapSize
HeapReAlloc
CreateFileW
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetStartupInfoW
GetCurrentProcessId
InitializeSListHead
SignalObjectAndWait
SwitchToThread
CreateThread
SetThreadPriority
GetThreadPriority
GetLogicalProcessorInformation
CreateTimerQueueTimer
ChangeTimerQueueTimer
DeleteTimerQueueTimer
GetNumaHighestNodeNumber
GetProcessAffinityMask
SetThreadAffinityMask
RegisterWaitForSingleObject
UnregisterWait
GetThreadTimes
FreeLibrary
FreeLibraryAndExitThread
GetModuleHandleA
LoadLibraryExW
GetVersionExW
VirtualAlloc
VirtualFree
VirtualProtect
DuplicateHandle
ReleaseSemaphore
InterlockedPopEntrySList
InterlockedPushEntrySList
InterlockedFlushSList
QueryDepthSList
UnregisterWaitEx
CreateTimerQueue
LoadLibraryW
RtlPcToFileHeader
RtlUnwindEx
ExitProcess
GetModuleHandleExW
ExitThread
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP

advapi32

InitializeSecurityDescriptor
RegSetValueExW
RegQueryValueExW
CreateServiceW
QueryServiceStatus
CloseServiceHandle
OpenSCManagerW
DeleteService
ControlService
OpenServiceW
DeregisterEventSource
RegisterServiceCtrlHandlerExW
SetServiceStatus
StartServiceCtrlDispatcherW
RegisterEventSourceW
ReportEventW
RegNotifyChangeKeyValue
RegCloseKey
RegOpenKeyExW
SetSecurityDescriptorDacl
GetAclInformation
GetTokenInformation
SetSecurityDescriptorGroup
OpenThreadToken
AddAccessAllowedAce
GetLengthSid
InitializeAcl
RegCreateKeyExW
OpenProcessToken
AddAce
IsValidSid
CopySid
CreateWellKnownSid
GetAce
SetSecurityDescriptorOwner

ole32

CoCreateInstance
CoTaskMemFree
CoUninitialize
CoInitializeEx
CoInitializeSecurity
StringFromCLSID
CoSetProxyBlanket
StringFromIID
IIDFromString

oleaut32

SysAllocString
VariantChangeType
VariantInit
SysFreeString
VariantClear
SafeArrayGetLBound
SafeArrayGetElement
SafeArrayGetUBound

sensapi

IsNetworkAlive

wlanapi

WlanRegisterNotification
WlanSetInterface
WlanQueryInterface
WlanEnumInterfaces
WlanCloseHandle
WlanFreeMemory
WlanOpenHandle

shell32

SHGetFolderPathW
SHCreateDirectoryExW

version

GetFileVersionInfoSizeW
VerQueryValueW
GetFileVersionInfoW

Sections

.text
Size: 380KB - Virtual size: 380KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 171KB - Virtual size: 170KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 19KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 3KB - Virtual size: 2KB

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: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 572KB - Virtual size: 576KB

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

1b3f0084fe295bd61be019f5aa7d390c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

iphlpapi

kernel32

advapi32

ole32

oleaut32

sensapi

wlanapi

shell32

version

Sections

.text Size: 380KB - Virtual size: 380KB

.rdata Size: 171KB - Virtual size: 170KB

.data Size: 11KB - Virtual size: 19KB

.pdata Size: 23KB - Virtual size: 23KB

.gfids Size: 3KB - Virtual size: 2KB

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 572KB - Virtual size: 576KB

.text
Size: 380KB - Virtual size: 380KB

.rdata
Size: 171KB - Virtual size: 170KB

.data
Size: 11KB - Virtual size: 19KB

.pdata
Size: 23KB - Virtual size: 23KB

.gfids
Size: 3KB - Virtual size: 2KB

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 572KB - Virtual size: 576KB