2024-05-14_b1887a48e59ac7b1b1742854d2a228af_ryuk

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General

Target

2024-05-14_b1887a48e59ac7b1b1742854d2a228af_ryuk
Size

1.3MB
MD5

b1887a48e59ac7b1b1742854d2a228af
SHA1

0b0f0878ad64dbf333ac8d6aa9adbb0e7b83f711
SHA256

76b1c8b026ac9e72ffe8ac1dd8d18abfbb4eb9c23bccb42ab9af2580ed72b7ad
SHA512

48a6ee79e8adca4eb755b66eab404a1c2d81e1658bf6c8aa2392e4a813fe0ab211960ec5466a53b8e82d0b4e2b05edc335540d11ef6a9d00db56cfa350096fb9
SSDEEP

24576:Ni0naRHr6XCh+V/KNGdsYqpHidVzdYUpes:NjnaRL6XCIp6GdsYcid

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-14_b1887a48e59ac7b1b1742854d2a228af_ryuk

Files

2024-05-14_b1887a48e59ac7b1b1742854d2a228af_ryuk
.exe windows:6 windows x64 arch:x64

438c423338f923b712327680153b4c96

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

CloseHandle
RaiseException
DecodePointer
DeleteCriticalSection
GetModuleFileNameA
GetCurrentProcess
lstrlenW
WriteFile
OutputDebugStringA
CreateMutexW
GetCurrentThreadId
GetLastError
Sleep
GetTempPathA
CreateFileA
DeleteFileA
ExitProcess
WinExec
GetFileType
GetACP
FindClose
InitializeCriticalSectionEx
FindNextFileA
EnumSystemLocalesA
SetEndOfFile
CreateFileW
WriteConsoleW
SetStdHandle
FindFirstFileExA
SetEnvironmentVariableA
GetCommandLineW
GetCommandLineA
GetStdHandle
GetModuleHandleExW
HeapFree
HeapReAlloc
IsValidLocale
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
HeapSize
GetProcessHeap
ReadConsoleW
SetFilePointerEx
ReadFile
GetConsoleMode
GetConsoleCP
FlushFileBuffers
HeapAlloc
EnumSystemLocalesW
GetUserDefaultLCID
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
EncodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
LocalFree
IsDebuggerPresent
OutputDebugStringW
SetEvent
ResetEvent
WaitForSingleObjectEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
InitializeSListHead
TerminateProcess
RtlPcToFileHeader
RtlUnwindEx
FreeLibrary
LoadLibraryExW
GetModuleFileNameW

user32

MessageBoxA

advapi32

SystemFunction036
RegSetValueExA
RegDeleteValueA
RegCloseKey
RegOpenKeyExW

shell32

ord680
FindExecutableA

oleaut32

VariantClear

rpcrt4

UuidFromStringA

ntdll

RtlEthernetStringToAddressA
RtlCaptureContext
RtlVirtualUnwind
RtlIpv4StringToAddressA
RtlLookupFunctionEntry

Sections

.text
Size: 408KB - Virtual size: 408KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 760KB - Virtual size: 760KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 168KB - Virtual size: 168KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

438c423338f923b712327680153b4c96

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

oleaut32

rpcrt4

ntdll

Sections

.text Size: 408KB - Virtual size: 408KB

.rdata Size: 760KB - Virtual size: 760KB

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

.pdata Size: 12KB - Virtual size: 12KB

.tls Size: 4KB - Virtual size: 4KB

.rsrc Size: 168KB - Virtual size: 168KB

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 408KB - Virtual size: 408KB

.rdata
Size: 760KB - Virtual size: 760KB

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

.pdata
Size: 12KB - Virtual size: 12KB

.tls
Size: 4KB - Virtual size: 4KB

.rsrc
Size: 168KB - Virtual size: 168KB

.reloc
Size: 4KB - Virtual size: 4KB