2024-08-18_313ee1394c24bdf98d8ac0f1eceff58d_ryuk

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General

Target

2024-08-18_313ee1394c24bdf98d8ac0f1eceff58d_ryuk
Size

1.7MB
MD5

313ee1394c24bdf98d8ac0f1eceff58d
SHA1

e940e9c25d95c1ff16322661297186643af1edee
SHA256

08f7ce730ee59b8097e769c7d796afdbaf113210fa6ade41cff3cf7465e3ba48
SHA512

7450820ac247fdd9001221c0c81895e91373931a76a9cae296a2c806bc9c4143006e44ed514204b17e2980e5a3d6d39d6529f38cbee011751a7b675271aeb34a
SSDEEP

24576:epUOiXCvgXe4i7ojhsP5Lgrk1TWb4AN5:eQXCme30jaNf1TWbdz

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-18_313ee1394c24bdf98d8ac0f1eceff58d_ryuk

Files

2024-08-18_313ee1394c24bdf98d8ac0f1eceff58d_ryuk
.exe windows:6 windows x64 arch:x64

abdab3f99020fe1bb7bf377e48511afc

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

d:\BuildAutomation\USHUpgradeService_int_cs_4.4\sw\int_cs_4.4\host\windows\UshUpgradeService\x64\Release\UshUpgradeService.pdb

Imports

wtsapi32

WTSQueryUserToken

userenv

CreateEnvironmentBlock

setupapi

CM_Reenumerate_DevNode
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInterfaces
SetupDiGetClassDevsW
CM_Locate_DevNodeW
SetupDiGetDeviceInterfaceDetailW

kernel32

ResetEvent
WTSGetActiveConsoleSessionId
FreeLibrary
SetEvent
GetOEMCP
IsValidCodePage
LocalFree
CreateThread
CloseHandle
TerminateThread
CreateFileW
LocalAlloc
WaitForSingleObject
GetModuleFileNameW
CreateEventA
GetProcessHeap
HeapAlloc
HeapFree
GetProcAddress
LoadLibraryW
GetLastError
GetPrivateProfileStringW
FindClose
ExpandEnvironmentStringsW
FindNextFileW
FindFirstFileW
Sleep
GetCurrentProcessId
GetLocalTime
GetCurrentThreadId
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetStdHandle
HeapSize
HeapReAlloc
SetEndOfFile
FindFirstFileExW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ReadFile
GetConsoleMode
ReadConsoleInputA
SetConsoleMode
MultiByteToWideChar
WideCharToMultiByte
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
GetACP
GetFileType
GetConsoleCP
SetFilePointerEx
ReadConsoleW
GetDateFormatW
GetTimeFormatW
CompareStringW
LCMapStringW
GetTimeZoneInformation
FlushFileBuffers
WriteConsoleW
GetStringTypeW

user32

RegisterDeviceNotificationW

advapi32

SystemFunction036
DeregisterEventSource
CreateProcessAsUserA
SetTokenInformation
RegCreateKeyExA
RegCreateKeyExW
RegSetValueExW
ReportEventA
RegSetValueExA
StartServiceW
RegDeleteValueW
DuplicateTokenEx
RegisterEventSourceA
RegisterServiceCtrlHandlerExW
CreateServiceW
CloseServiceHandle
OpenSCManagerW
SetServiceStatus
ChangeServiceConfig2W
DeleteService
ControlService
StartServiceCtrlDispatcherW
OpenServiceW
QueryServiceStatusEx
SetSecurityDescriptorDacl
AllocateAndInitializeSid
FreeSid
InitializeSecurityDescriptor
InitializeAcl
GetLengthSid
AddAccessAllowedAce
RegCloseKey
RegOpenKeyExW
RegQueryValueExW

shell32

SHGetFolderPathA

Sections

.text
Size: 163KB - Virtual size: 163KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 816B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.4MB - Virtual size: 1.4MB

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

abdab3f99020fe1bb7bf377e48511afc

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

wtsapi32

userenv

setupapi

kernel32

user32

advapi32

shell32

Sections

.text Size: 163KB - Virtual size: 163KB

.rdata Size: 65KB - Virtual size: 64KB

.data Size: 3KB - Virtual size: 14KB

.pdata Size: 8KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 244B

.rsrc Size: 1024B - Virtual size: 816B

.reloc Size: 1.4MB - Virtual size: 1.4MB

.text
Size: 163KB - Virtual size: 163KB

.rdata
Size: 65KB - Virtual size: 64KB

.data
Size: 3KB - Virtual size: 14KB

.pdata
Size: 8KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 244B

.rsrc
Size: 1024B - Virtual size: 816B

.reloc
Size: 1.4MB - Virtual size: 1.4MB