2024-04-11_3bd0f2f80e7de85b59a7edeea18fcd3c_ryuk

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General

Target

2024-04-11_3bd0f2f80e7de85b59a7edeea18fcd3c_ryuk
Size

110KB
MD5

3bd0f2f80e7de85b59a7edeea18fcd3c
SHA1

11bc9c8ebf5aadc16d8dfceeb58668fb2dc289f8
SHA256

4d5b3ceec14d709bb283a1100a952abb1039910e503034858fdc9c8a0b9f9527
SHA512

99ac48386ae289565dd65de3f607169acb34576075901f54241e36aad6daabb37cc7c80fc56f36a50ddbcedd995f23bcd265118bad2702ec30cb42350930b527
SSDEEP

3072:SEZwIfSumvHgjJnVKZkZOWb6HS3vK5bdp:SZIfMHEnVKZ2iGMbdp

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-11_3bd0f2f80e7de85b59a7edeea18fcd3c_ryuk

Files

2024-04-11_3bd0f2f80e7de85b59a7edeea18fcd3c_ryuk
.exe windows:6 windows x64 arch:x64

6e743ff77ff8956ec5f0bb59e6b87602

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

MultiByteToWideChar
RtlPcToFileHeader
RaiseException
WriteConsoleW
CloseHandle
CreateFileW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
WriteFile
GetModuleFileNameW
ExitProcess
GetModuleHandleExW
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleOutputCP
GetConsoleMode
SetFilePointerEx
EncodePointer

wininet

InternetCloseHandle
InternetOpenW
InternetOpenUrlW
InternetReadFile

Sections

.text
Size: 58KB - Virtual size: 57KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 196B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6e743ff77ff8956ec5f0bb59e6b87602

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

wininet

Sections

.text Size: 58KB - Virtual size: 57KB

.rdata Size: 36KB - Virtual size: 36KB

.data Size: 3KB - Virtual size: 7KB

.pdata Size: 4KB - Virtual size: 3KB

.gfids Size: 512B - Virtual size: 196B

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

.gehcont Size: 512B - Virtual size: 12B

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 58KB - Virtual size: 57KB

.rdata
Size: 36KB - Virtual size: 36KB

.data
Size: 3KB - Virtual size: 7KB

.pdata
Size: 4KB - Virtual size: 3KB

.gfids
Size: 512B - Virtual size: 196B

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

.gehcont
Size: 512B - Virtual size: 12B

.reloc
Size: 2KB - Virtual size: 1KB