d:\BuildAutomation\USHUpgradeService_int_cs_4.9\sw\int_cs_4.9\host\windows\UshUpgradeService\x64\Release\UshUpgradeService.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-01_9b6e3e2b5c0a8019b0f2835a3116bb1a_ryuk.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2024-10-01_9b6e3e2b5c0a8019b0f2835a3116bb1a_ryuk.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-01_9b6e3e2b5c0a8019b0f2835a3116bb1a_ryuk
-
Size
825KB
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MD5
9b6e3e2b5c0a8019b0f2835a3116bb1a
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SHA1
0cdd9c5fb4837a5d97689bd6945fe4fb0fc97ba7
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SHA256
d90e5ee29ffd3810846633d680ce5bc699295b12aefb00b0cc5d072b18dea93d
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SHA512
a2f5917aa337c2d2e59da5a87e80686eb84ebc4fc7341aa6037e623fa5096c8481263279c72b64d51fa4f0dcf427a7e0172d8dea07821ef9851824bc5dab983b
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SSDEEP
12288:k+/zShiseG3PT8UXc3ajG+hjQKymY8efKCpD7Gj9G6G1qT8nQkCu83L3Wl/np9DX:FShpl37fsqjnhMgeiCl7G0nehbGZpbD
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-10-01_9b6e3e2b5c0a8019b0f2835a3116bb1a_ryuk
Files
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2024-10-01_9b6e3e2b5c0a8019b0f2835a3116bb1a_ryuk.exe windows:6 windows x64 arch:x64
5c43e34a07b640c2356320669ccbc1da
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
Imports
wtsapi32
WTSQueryUserToken
userenv
CreateEnvironmentBlock
setupapi
SetupDiGetClassDevsW
CM_Locate_DevNodeW
CM_Reenumerate_DevNode
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInterfaces
SetupDiGetDeviceInterfaceDetailW
kernel32
CloseHandle
CreateThread
LocalFree
ResetEvent
WTSGetActiveConsoleSessionId
VerSetConditionMask
VerifyVersionInfoW
FreeLibrary
SetEndOfFile
HeapReAlloc
HeapSize
TerminateThread
CreateFileW
LocalAlloc
WaitForSingleObject
GetModuleFileNameW
CreateEventA
GetProcessHeap
HeapAlloc
HeapFree
GetProcAddress
LoadLibraryW
DeleteFileW
GetLastError
GetPrivateProfileStringW
GetFileAttributesW
FindClose
RemoveDirectoryW
ExpandEnvironmentStringsW
FindNextFileW
FindFirstFileW
CreateDirectoryW
SetEvent
Sleep
GetCurrentProcessId
GetLocalTime
GetCurrentThreadId
SetStdHandle
SetEnvironmentVariableW
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
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
ReportEventA
RegSetValueExA
RegDeleteValueW
DuplicateTokenEx
RegisterEventSourceA
RegisterServiceCtrlHandlerExW
CreateServiceW
SetServiceStatus
ChangeServiceConfig2W
StartServiceCtrlDispatcherW
QueryServiceStatusEx
SetSecurityDescriptorDacl
AllocateAndInitializeSid
FreeSid
InitializeSecurityDescriptor
InitializeAcl
GetLengthSid
AddAccessAllowedAce
QueryServiceStatus
CloseServiceHandle
OpenSCManagerW
RegCreateKeyExW
DeleteService
ControlService
RegSetValueExW
StartServiceW
OpenServiceW
RegCloseKey
RegOpenKeyExW
RegQueryValueExW
shell32
SHGetFolderPathA
Sections
.text Size: 173KB - Virtual size: 172KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 70KB - Virtual size: 69KB
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: 8KB
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: 568KB - Virtual size: 572KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE