2024-04-19_04b17f149be12da41727b703e4044c6c_ryuk

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General

Target

2024-04-19_04b17f149be12da41727b703e4044c6c_ryuk
Size

4.5MB
MD5

04b17f149be12da41727b703e4044c6c
SHA1

c2cd6a57d11ea762c3ae79fdb16545cd1d53d808
SHA256

16bfee48a8285d2dac6034a62f07a624973beb4ce9d7ab4d622aa8a7e826792b
SHA512

e3d33bb88b10ab171063ab959d879f56bed0c4ab24f86c7f1e9ebeb11ce5f8fa772c6d3419faabbeda84670192796460f73a1caa3a4ffc6c785863ae5ebbdc08
SSDEEP

49152:iPaB0sfeuZob/CsyseGkPs2Y8n5OUZ2fRsYj0c7nTuC+KNNU1itFYIK2Wmn2nKmw:bky6kE2QrTu8NJpuKmmj+YMVGPezA

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-19_04b17f149be12da41727b703e4044c6c_ryuk

Files

2024-04-19_04b17f149be12da41727b703e4044c6c_ryuk
.exe windows:6 windows x64 arch:x64

a4fef04f74bbdf534761cb401ac5f32c

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

AcquireSRWLockExclusive
AssignProcessToJobObject
CloseHandle
CompareStringW
CreateDirectoryW
CreateFileMappingW
CreateFileW
CreateJobObjectW
CreateProcessW
DecodePointer
DeleteCriticalSection
DuplicateHandle
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushInstructionCache
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileType
GetFinalPathNameByHandleW
GetLargePageMinimum
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetUserDefaultLCID
GetVolumePathNameW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
K32GetProcessMemoryInfo
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
MapViewOfFile
MoveFileExW
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SearchPathW
SetConsoleCtrlHandler
SetConsoleTextAttribute
SetCurrentDirectoryW
SetEnvironmentVariableW
SetErrorMode
SetFileAttributesW
SetFileInformationByHandle
SetFilePointerEx
SetFileTime
SetInformationJobObject
SetLastError
SetProcessAffinityMask
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

advapi32

AdjustTokenPrivileges
CryptAcquireContextW
CryptGenRandom
CryptReleaseContext
LookupPrivilegeValueW
OpenProcessToken

Sections

.text
Size: 3.4MB - Virtual size: 3.4MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 988KB - Virtual size: 988KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 19KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 33B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 500B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 980B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 42KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a4fef04f74bbdf534761cb401ac5f32c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 3.4MB - Virtual size: 3.4MB

.rdata Size: 988KB - Virtual size: 988KB

.data Size: 19KB - Virtual size: 39KB

.pdata Size: 55KB - Virtual size: 55KB

.gxfg Size: 8KB - Virtual size: 8KB

.tls Size: 512B - Virtual size: 33B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 1024B - Virtual size: 980B

.reloc Size: 42KB - Virtual size: 42KB

.text
Size: 3.4MB - Virtual size: 3.4MB

.rdata
Size: 988KB - Virtual size: 988KB

.data
Size: 19KB - Virtual size: 39KB

.pdata
Size: 55KB - Virtual size: 55KB

.gxfg
Size: 8KB - Virtual size: 8KB

.tls
Size: 512B - Virtual size: 33B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 1024B - Virtual size: 980B

.reloc
Size: 42KB - Virtual size: 42KB