2024-04-21_327c1d8f11c4cd237854c4fff92f04df_ryuk

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General

Target

2024-04-21_327c1d8f11c4cd237854c4fff92f04df_ryuk
Size

3.9MB
MD5

327c1d8f11c4cd237854c4fff92f04df
SHA1

69fded61187d104b0e165b64a9a6fdb2c8dba307
SHA256

952c9bf46c0a58499cc1a89029442ae887d098620f5b2cbfed332424af10b1a8
SHA512

baa34b06297b1c24e9c0dfa5c2414d660561b81868f000e55fc53710c2453b9fe6d5fde201e50373a88ad212ff54bae490729a49c08df9a550ef542ac0a9ba27
SSDEEP

49152:0Dgms6Tb6Q3owxwRi4ZJ/6lvGAISJ/zsFzoIA2VjhUxJx2KJcImDq/3ExKsjRor6:2TXM2OzPHKJ6SEHF/0ElRH

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-21_327c1d8f11c4cd237854c4fff92f04df_ryuk

Files

2024-04-21_327c1d8f11c4cd237854c4fff92f04df_ryuk
.exe windows:6 windows x64 arch:x64

1f06feb2be19671d77a34287835074f2

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
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetConsoleScreenBufferInfo
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileType
GetFinalPathNameByHandleW
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
MultiByteToWideChar
QueryPerformanceCounter
RaiseException
ReadFile
ReleaseSRWLockExclusive
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwindEx
RtlVirtualUnwind
SearchPathW
SetConsoleCtrlHandler
SetConsoleTextAttribute
SetCurrentDirectoryW
SetEnvironmentVariableW
SetErrorMode
SetFilePointerEx
SetFileTime
SetInformationJobObject
SetLastError
SetProcessAffinityMask
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

advapi32

CryptAcquireContextW
CryptGenRandom
CryptReleaseContext

Sections

.text
Size: 2.9MB - Virtual size: 2.9MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 938KB - Virtual size: 938KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 31KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 49KB - Virtual size: 48KB

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: 21B

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: 972B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 39KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

1f06feb2be19671d77a34287835074f2

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 2.9MB - Virtual size: 2.9MB

.rdata Size: 938KB - Virtual size: 938KB

.data Size: 11KB - Virtual size: 31KB

.pdata Size: 49KB - Virtual size: 48KB

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

.tls Size: 512B - Virtual size: 21B

_RDATA Size: 512B - Virtual size: 500B

.rsrc Size: 1024B - Virtual size: 972B

.reloc Size: 39KB - Virtual size: 39KB

.text
Size: 2.9MB - Virtual size: 2.9MB

.rdata
Size: 938KB - Virtual size: 938KB

.data
Size: 11KB - Virtual size: 31KB

.pdata
Size: 49KB - Virtual size: 48KB

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

.tls
Size: 512B - Virtual size: 21B

_RDATA
Size: 512B - Virtual size: 500B

.rsrc
Size: 1024B - Virtual size: 972B

.reloc
Size: 39KB - Virtual size: 39KB