2024-03-12_7f495109a5c5f330f5b84443baacffe6_ryuk

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General

Target

2024-03-12_7f495109a5c5f330f5b84443baacffe6_ryuk
Size

1.1MB
MD5

7f495109a5c5f330f5b84443baacffe6
SHA1

ed48bd531d2fb09d94159a238c30e917c4e9dc8e
SHA256

a0620dd879128bb8b781a6642d11a9182e040bca416a5d41749732ec7e11ba7e
SHA512

64d32368f67cc1d5b7b107ec039986593d56277a5beda816f90c93f0794641032d0f1c4d9d6a0b3f160001ca8b99dce38b9239700ff7aab6241b081c66e257a2
SSDEEP

24576:+H2scOT2GvaeNFgIdEFLEj4jft2rR8FfBhRJUEbDk1ulUE:+WscOTpvtyKExXt2r4PRSEk1ul

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_7f495109a5c5f330f5b84443baacffe6_ryuk

Files

2024-03-12_7f495109a5c5f330f5b84443baacffe6_ryuk
.exe windows:6 windows x64 arch:x64

3b02054fc33146cc8532afca2bee9555

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

E:\B\T\5bc3d680-27b3-4503-acd6-978c38c16475\UBF_1\build\x64\Release\McAWFwk.pdb

Imports

psapi

GetModuleInformation
EnumProcessModules
GetModuleFileNameExW

wintrust

WinVerifyTrust

crypt32

CryptMsgUpdate
CertVerifyCertificateChainPolicy
CertFreeCertificateChain
CertGetCertificateChain
CryptQueryObject
CertGetNameStringW
CertGetCertificateContextProperty
CertFreeCertificateContext
CryptDecodeObject
CryptMsgOpenToDecode
CryptMsgClose
CryptMsgGetParam
CertCloseStore
CertGetSubjectCertificateFromStore

kernel32

LCMapStringW
GetLocaleInfoW
GetCPInfo
ResetEvent
WaitForSingleObjectEx
GetCurrentThreadId
CloseHandle
GetLastError
CreateMutexW
GetModuleFileNameW
SetEvent
CreateEventW
OpenEventW
LocalFree
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
FreeLibrary
GetModuleHandleW
GetProcAddress
LoadLibraryW
GetLongPathNameW
Sleep
GetVersionExW
FormatMessageW
DecodePointer
RaiseException
HeapDestroy
HeapAlloc
HeapReAlloc
HeapFree
HeapSize
GetProcessHeap
InitializeCriticalSectionAndSpinCount
WaitForSingleObject
CreateThread
LoadLibraryExW
InitializeCriticalSectionEx
SetLastError
QueryFullProcessImageNameW
InitializeSRWLock
ReleaseSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockExclusive
AcquireSRWLockShared
GetCurrentProcessId
OpenProcess
GetWindowsDirectoryW
GlobalFindAtomW
SystemTimeToFileTime
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetFullPathNameW
MultiByteToWideChar
WideCharToMultiByte
GetCurrentDirectoryW
OutputDebugStringW
LocalAlloc
CreateFileW
LockFileEx
UnlockFileEx
GlobalAddAtomW
CopyFileW
MoveFileW
MoveFileExW
ReplaceFileW
DeleteFileA
SetFileAttributesA
GetTempPathA
GetTempFileNameA
VirtualQuery
SizeofResource
LockResource
LoadResource
FindResourceW
FindResourceExW
FindClose
FindFirstFileW
RemoveDirectoryW
ReleaseMutex
WriteFile
SetFilePointer
GetFileAttributesW
GetLocalTime
GetModuleHandleExW
VerifyVersionInfoW
VerSetConditionMask
lstrlenW
WritePrivateProfileStringW
WritePrivateProfileStructW
CreateDirectoryW
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetSystemTimeAsFileTime
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetStringTypeW
EncodePointer
RtlPcToFileHeader
IsDebuggerPresent
SetEndOfFile
WriteConsoleW
SetStdHandle
FlushFileBuffers
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
GetACP
GetStdHandle
ExitProcess
GetFileType
GetConsoleCP
ReadConsoleW
GetConsoleMode
ReadFile
SetFilePointerEx
VirtualAlloc
RtlUnwindEx
InitializeSListHead
QueryPerformanceCounter
GetStartupInfoW
IsProcessorFeaturePresent
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
GetSystemInfo
VirtualProtect
LoadLibraryExA
RtlCaptureContext

user32

CreateWindowExW
TranslateMessage
DispatchMessageW
PeekMessageW
MsgWaitForMultipleObjectsEx
DefWindowProcW
RegisterClassW
DestroyWindow

shell32

SHGetKnownFolderPath
CommandLineToArgvW
SHCreateDirectoryExW

ole32

CoCreateInstance
CoInitializeSecurity
CoInitializeEx
CLSIDFromString
StringFromGUID2
CoUninitialize
CoRegisterClassObject
CoRevokeClassObject
StringFromCLSID
CoTaskMemFree
CoGetClassObject

oleaut32

CreateStdDispatch
LoadTypeLi
VariantInit
SysAllocString
VARIANT_UserFree
VARIANT_UserUnmarshal
VARIANT_UserMarshal
VARIANT_UserSize

shlwapi

PathFileExistsA
PathAddExtensionA
PathRemoveFileSpecW
PathStripToRootW
PathFindFileNameA
PathAppendW
PathFileExistsW
PathQuoteSpacesW
SHDeleteKeyW
PathRemoveExtensionA
PathRemoveFileSpecA
PathFindExtensionW

rpcrt4

NdrStubForwardingFunction
NdrStubCall2
NdrCStdStubBuffer2_Release
NdrCStdStubBuffer_Release
IUnknown_Release_Proxy
IUnknown_AddRef_Proxy
NdrOleFree
NdrOleAllocate
IUnknown_QueryInterface_Proxy
CStdStubBuffer_DebugServerRelease
CStdStubBuffer_DebugServerQueryInterface
CStdStubBuffer_CountRefs
CStdStubBuffer_IsIIDSupported
CStdStubBuffer_Invoke
CStdStubBuffer_Disconnect
CStdStubBuffer_Connect
CStdStubBuffer_AddRef
CStdStubBuffer_QueryInterface

Sections

.text
Size: 335KB - Virtual size: 334KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.orpc
Size: 512B - Virtual size: 184B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 160KB - Virtual size: 160KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 19KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 464B

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: 29KB - Virtual size: 28KB

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

3b02054fc33146cc8532afca2bee9555

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

psapi

wintrust

crypt32

kernel32

user32

shell32

ole32

oleaut32

shlwapi

rpcrt4

Sections

.text Size: 335KB - Virtual size: 334KB

.orpc Size: 512B - Virtual size: 184B

.rdata Size: 160KB - Virtual size: 160KB

.data Size: 10KB - Virtual size: 17KB

.pdata Size: 19KB - Virtual size: 18KB

.gfids Size: 512B - Virtual size: 464B

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

.rsrc Size: 29KB - Virtual size: 28KB

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

.text
Size: 335KB - Virtual size: 334KB

.orpc
Size: 512B - Virtual size: 184B

.rdata
Size: 160KB - Virtual size: 160KB

.data
Size: 10KB - Virtual size: 17KB

.pdata
Size: 19KB - Virtual size: 18KB

.gfids
Size: 512B - Virtual size: 464B

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

.rsrc
Size: 29KB - Virtual size: 28KB

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