2024-03-07_98def94ab76ed8861348af6dccd4d620_ryuk

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General

Target

2024-03-07_98def94ab76ed8861348af6dccd4d620_ryuk
Size

780KB
MD5

98def94ab76ed8861348af6dccd4d620
SHA1

e72fb2144b394021b0b260876a6c6dc52f730436
SHA256

a90b67120a3bb8942388d27b64fcd442ce9ca0d50c6e35a87a8cb844edb22708
SHA512

3fac1ca72a1fa83bb3d65328178d926799f897926698c33816dad2f43d1de20895a1a71661cad7a025bc41f457582c7ee55ba6f7e121dc3446c66505a449e7b8
SSDEEP

12288:KLJ2qZbmndqX1BGffUBL8252uui8FbECP7BhdfswdJ0NXdU8ZWH7DEP1rCJ7U3+:kcc1BKt2rR8FfBhRJUEbDk1ulUu

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-07_98def94ab76ed8861348af6dccd4d620_ryuk

Files

2024-03-07_98def94ab76ed8861348af6dccd4d620_ryuk
.exe windows:6 windows x64 arch:x64

6eacf6184fdaf7a2db7a625df0b3df50

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:\CS_HP_DCHU\ETDService\x64\Release\ETDService.pdb

Imports

kernel32

RaiseException
FindResourceExW
ResetEvent
LoadResource
FindResourceW
HeapAlloc
GetCurrentDirectoryW
HeapDestroy
GetWindowsDirectoryW
LocalFree
WTSGetActiveConsoleSessionId
DeleteCriticalSection
HeapReAlloc
GetProcessHeap
CreateProcessW
CopyFileW
VerifyVersionInfoW
OutputDebugStringA
GetModuleFileNameW
ReadFile
SetEndOfFile
SetFilePointerEx
GetConsoleMode
GetConsoleCP
DeleteFileW
LockResource
SetEvent
Sleep
MultiByteToWideChar
CreateEventW
QueueUserWorkItem
HeapSize
WaitForSingleObject
FindClose
InitializeCriticalSectionEx
WaitForMultipleObjects
RemoveDirectoryW
TerminateProcess
ExpandEnvironmentStringsW
GetCurrentProcess
FindNextFileW
SetLastError
HeapFree
FindFirstFileW
SizeofResource
GetTickCount
OutputDebugStringW
GetLastError
CloseHandle
CreateFileW
VerSetConditionMask
DeviceIoControl
FlushFileBuffers
GetStringTypeW
SetStdHandle
SetEnvironmentVariableW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCPInfo
GetOEMCP
IsValidCodePage
ReadConsoleW
FindFirstFileExW
CreateThread
LCMapStringW
CompareStringW
GetACP
GetCommandLineW
GetCommandLineA
WriteFile
WideCharToMultiByte
ExitProcess
WriteConsoleW
GetModuleHandleExW
GetFileType
EnterCriticalSection
LeaveCriticalSection
WaitForSingleObjectEx
GetModuleHandleW
GetProcAddress
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
RtlUnwindEx
GetStdHandle

user32

EnumDisplaySettingsW

advapi32

QueryServiceStatus
CloseServiceHandle
OpenSCManagerW
DeleteService
ControlService
OpenServiceW
RegisterServiceCtrlHandlerExW
SetServiceStatus
StartServiceCtrlDispatcherW
LookupPrivilegeValueW
AdjustTokenPrivileges
RegCloseKey
RegQueryInfoKeyW
RegDeleteKeyW
AllocateAndInitializeSid
SetEntriesInAclW
SetNamedSecurityInfoW
RegEnumKeyExW
RegDeleteTreeW
RegSetValueExW
OpenProcessToken
FreeSid
RegOpenKeyExW
CreateProcessAsUserW
RegEnumValueW
RegQueryValueExW
CreateServiceW

ole32

CoSetProxyBlanket
CoInitializeEx
CoInitializeSecurity
CoUninitialize
CoCreateInstance

oleaut32

VariantInit
VariantClear

newdev

UpdateDriverForPlugAndPlayDevicesW

setupapi

SetupDiDestroyDeviceInfoList
SetupUninstallOEMInfW
CM_Locate_DevNodeW
SetupGetStringFieldW
CM_Reenumerate_DevNode
CM_Get_DevNode_Status
SetupDiGetClassDevsW
SetupDiGetDeviceRegistryPropertyW
SetupDiEnumDeviceInfo
SetupFindFirstLineW
SetupOpenInfFileW
SetupCloseInfFile

wtsapi32

WTSQueryUserToken

userenv

GetUserProfileDirectoryW
CreateEnvironmentBlock
DestroyEnvironmentBlock

Sections

.text
Size: 133KB - Virtual size: 133KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 216B

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: 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

Sharing

General

Malware Config

Signatures

Files

6eacf6184fdaf7a2db7a625df0b3df50

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

ole32

oleaut32

newdev

setupapi

wtsapi32

userenv

Sections

.text Size: 133KB - Virtual size: 133KB

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

.data Size: 3KB - Virtual size: 12KB

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

.gfids Size: 512B - Virtual size: 216B

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

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

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 133KB - Virtual size: 133KB

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

.data
Size: 3KB - Virtual size: 12KB

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

.gfids
Size: 512B - Virtual size: 216B

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

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

.reloc
Size: 568KB - Virtual size: 572KB