2024-01-26_3a3f9b706ceeeeee79d27211d8280931_ryuk

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General

Target

2024-01-26_3a3f9b706ceeeeee79d27211d8280931_ryuk
Size

1.6MB
MD5

3a3f9b706ceeeeee79d27211d8280931
SHA1

07deb79afaad7c475363f725514247b7db82eab0
SHA256

9e075ea1d90e21f6b5888b18116fd918c21a5c3307ddd701dc7befbf7d8de328
SHA512

2c56251d47fd63ab0432b5ca8abc3b26fbb45f4801c10f2311fcc1fb71b63de1e2a5ba8f5366e06f2cb05b5cec6e0f7a3c92de799b23f7d41057d825fbd94b0d
SSDEEP

24576:N3Z7IoKOPhE9DJnkTqudMKBTvhinEeUUq5Uqs:N1HBhE9uqebBr2EZUGU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-26_3a3f9b706ceeeeee79d27211d8280931_ryuk

Files

2024-01-26_3a3f9b706ceeeeee79d27211d8280931_ryuk
.exe windows:6 windows x64 arch:x64

b45ae68bf62b66c621cb702832e4dcdf

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

Imports

bluetoothapis

BluetoothSetLocalServiceInfo
BluetoothFindRadioClose
BluetoothGetRadioInfo
BluetoothFindFirstRadio

ole32

StringFromGUID2
CLSIDFromString

shlwapi

StrCmpW
PathRemoveFileSpecW

cfgmgr32

CM_Get_DevNode_Status_Ex
CM_Get_Device_ID_ExW
CM_Disconnect_Machine
CM_Locate_DevNode_ExW
CM_Connect_MachineW
CM_Get_DevNode_Status
CM_Get_Next_Res_Des_Ex
CM_Get_Res_Des_Data_Ex
CM_Get_First_Log_Conf_Ex
CM_Get_Res_Des_Data_Size_Ex
CM_Free_Res_Des_Handle
CM_Free_Log_Conf_Handle
CM_Reenumerate_DevNode_Ex

setupapi

SetupDiGetClassDevsW
SetupDiGetDeviceInterfaceDetailW
SetupDiCreateDeviceInfoW
SetupDiGetClassDescriptionExW
SetupDiBuildClassInfoListExW
SetupDiClassGuidsFromNameExW
SetupDiSetDeviceRegistryPropertyW
SetupDiEnumDeviceInterfaces
SetupDiGetClassDevsExW
SetupDiSetClassInstallParamsW
SetupDiGetDeviceInfoListDetailW
SetupDiCallClassInstaller
SetupDiGetINFClassW
SetupDiCreateDeviceInfoList
SetupDiEnumDeviceInfo
SetupDiDestroyDeviceInfoList
SetupDiGetDeviceInstallParamsW
SetupDiGetDriverInstallParamsW
SetupFindFirstLineW
SetupDiSetDeviceInstallParamsW
SetupOpenInfFileW
SetupGetStringFieldW
SetupDiBuildDriverInfoList
SetupDiGetDriverInfoDetailW
SetupDiEnumDriverInfoW
SetupDiDestroyDriverInfoList
SetupCloseInfFile
SetupDiOpenDeviceInfoW
SetupDiGetDeviceRegistryPropertyW
SetupDiCreateDeviceInfoListExW
SetupDiClassNameFromGuidExW
SetupCopyOEMInfW
SetupDiOpenClassRegKeyExW

powrprof

CallNtPowerInformation

kernel32

GetACP
GetCommandLineW
GetCommandLineA
GetStdHandle
MultiByteToWideChar
GetModuleHandleExW
SetLastError
RtlUnwindEx
LoadLibraryExW
TlsFree
TlsSetValue
ReadFile
FindFirstFileW
SetLocalTime
GetCurrentProcess
SetDynamicTimeZoneInformation
DeviceIoControl
GetModuleFileNameW
FindClose
WaitForSingleObject
CreateFileW
OpenEventW
ResumeThread
CreateEventW
GetExitCodeThread
Sleep
GetLastError
OutputDebugStringW
SetEvent
FileTimeToSystemTime
TerminateThread
GetEnvironmentStringsW
DeleteFileW
GlobalFree
CloseHandle
LoadLibraryW
CreateThread
ResetEvent
GetLocalTime
GetProcAddress
GlobalLock
ExitProcess
SystemTimeToFileTime
GetModuleHandleW
GetTickCount
GlobalUnlock
GetFullPathNameW
FindNextFileW
lstrlenW
GetFileAttributesW
GetWindowsDirectoryW
SizeofResource
HeapFree
GetSystemPowerStatus
InitializeCriticalSectionEx
GetVersionExW
HeapSize
GetPrivateProfileStringW
LockResource
HeapReAlloc
RaiseException
FindResourceExW
LoadResource
FindResourceW
HeapAlloc
HeapDestroy
DeleteCriticalSection
GetProcessHeap
GetPrivateProfileSectionW
GetNativeSystemInfo
FormatMessageW
LocalFree
GetDateFormatW
WideCharToMultiByte
WriteFile
GetCurrentThreadId
GetCurrentProcessId
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
EncodePointer
RtlPcToFileHeader
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
GetFileType
CompareStringW
LCMapStringW
GetStringTypeW
GetExitCodeProcess
CreateProcessA
GetFileAttributesExW
FindFirstFileExW
IsValidCodePage
GetOEMCP
FreeLibrary
GetCPInfo
SetStdHandle
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
GlobalAlloc
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WaitForSingleObjectEx
EnterCriticalSection
LeaveCriticalSection

user32

DispatchMessageW
GetMessageW
TranslateMessage
CharPrevW
UnregisterDeviceNotification
LoadStringW
RegisterDeviceNotificationW
PostThreadMessageW
CharNextW

advapi32

RegEnumValueW
OpenServiceW
RegDeleteValueW
StartServiceCtrlDispatcherW
RegQueryValueExA
RegOpenKeyExA
InitiateSystemShutdownExW
QueryServiceStatus
RegDeleteKeyExW
RegEnumKeyExW
LookupPrivilegeValueW
RegisterServiceCtrlHandlerExW
AdjustTokenPrivileges
CreateServiceW
RegCloseKey
RegQueryInfoKeyW
CloseServiceHandle
OpenSCManagerW
SetServiceStatus
ChangeServiceConfig2W
RegCreateKeyExW
DeleteService
ControlService
RegDeleteTreeW
RegSetValueExW
OpenProcessToken
StartServiceW
RegOpenKeyExW
RegGetValueW
RegQueryValueExW

shell32

ShellExecuteW
SHGetSpecialFolderPathW

version

VerQueryValueW
GetFileVersionInfoSizeW
GetFileVersionInfoW

Sections

.text
Size: 223KB - Virtual size: 222KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 101KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 10KB

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: 47KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.8MB

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

b45ae68bf62b66c621cb702832e4dcdf

Headers

DLL Characteristics

File Characteristics

Imports

bluetoothapis

ole32

shlwapi

cfgmgr32

setupapi

powrprof

kernel32

user32

advapi32

shell32

version

Sections

.text Size: 223KB - Virtual size: 222KB

.rdata Size: 101KB - Virtual size: 101KB

.data Size: 4KB - Virtual size: 10KB

.pdata Size: 11KB - Virtual size: 10KB

.gfids Size: 512B - Virtual size: 236B

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

.rsrc Size: 47KB - Virtual size: 46KB

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 223KB - Virtual size: 222KB

.rdata
Size: 101KB - Virtual size: 101KB

.data
Size: 4KB - Virtual size: 10KB

.pdata
Size: 11KB - Virtual size: 10KB

.gfids
Size: 512B - Virtual size: 236B

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

.rsrc
Size: 47KB - Virtual size: 46KB

.reloc
Size: 1.2MB - Virtual size: 1.8MB