2024-04-19_4cb41c34af2e37699e00674f64c5c198_ryuk

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General

Target

2024-04-19_4cb41c34af2e37699e00674f64c5c198_ryuk
Size

25.0MB
MD5

4cb41c34af2e37699e00674f64c5c198
SHA1

efb898d4440e7ddd44cf32a4385cd4dda8832264
SHA256

0aa7c621a94def002644461be40e3e184181b4d332aa918cbb310c1f2e7f7da2
SHA512

d730b91f6b86f7f9d5ec005f32d8e7f566190ff7d942053cf33c9df6fea678ab8f10c1d0ea9fde0ccd25f77407e7c5a628a661fc738ce6d93ebcda51bcce06a8
SSDEEP

196608:GDNrdrEfWjY7NvhWUeKQjvOKFTGbb8ESdGyo6TjiHl:GBoWc7N7edjGKpOKIS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-19_4cb41c34af2e37699e00674f64c5c198_ryuk

Files

2024-04-19_4cb41c34af2e37699e00674f64c5c198_ryuk
.exe windows:6 windows x64 arch:x64

c72de07e6f132d0f0294406911f7ba7b

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
AcquireSRWLockShared
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
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileInformationByHandle
GetFileSizeEx
GetFileType
GetFinalPathNameByHandleW
GetLastError
GetLocaleInfoEx
GetLocaleInfoW
GetLongPathNameW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetProcessTimes
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemInfo
GetSystemTime
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVolumePathNameW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
HeapValidate
HeapWalk
InitOnceBeginInitialize
InitOnceComplete
InitializeCriticalSection
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
K32EnumProcessModulesEx
K32GetProcessMemoryInfo
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryExA
LoadLibraryExW
LoadLibraryW
LocalFree
LockFileEx
MapViewOfFile
MultiByteToWideChar
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SearchPathW
SetConsoleCtrlHandler
SetConsoleTextAttribute
SetCurrentDirectoryW
SetEnvironmentVariableW
SetErrorMode
SetFilePointerEx
SetFileTime
SetInformationJobObject
SetLastError
SetProcessAffinityMask
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
SystemTimeToFileTime
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnlockFileEx
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

advapi32

CryptAcquireContextW
CryptGenRandom
CryptReleaseContext

Sections

.text
Size: 19.6MB - Virtual size: 19.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5.0MB - Virtual size: 5.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 49KB - Virtual size: 314KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 219KB - Virtual size: 218KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gxfg
Size: 10KB - Virtual size: 10KB

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: 972B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 85KB - Virtual size: 84KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c72de07e6f132d0f0294406911f7ba7b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 19.6MB - Virtual size: 19.6MB

.rdata Size: 5.0MB - Virtual size: 5.0MB

.data Size: 49KB - Virtual size: 314KB

.pdata Size: 219KB - Virtual size: 218KB

.gxfg Size: 10KB - Virtual size: 10KB

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

_RDATA Size: 512B - Virtual size: 500B

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

.reloc Size: 85KB - Virtual size: 84KB

.text
Size: 19.6MB - Virtual size: 19.6MB

.rdata
Size: 5.0MB - Virtual size: 5.0MB

.data
Size: 49KB - Virtual size: 314KB

.pdata
Size: 219KB - Virtual size: 218KB

.gxfg
Size: 10KB - Virtual size: 10KB

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

_RDATA
Size: 512B - Virtual size: 500B

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

.reloc
Size: 85KB - Virtual size: 84KB