2024-05-15_ca7507ea1bfcd12624d43326f4cd8a75_ryuk

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General

Target

2024-05-15_ca7507ea1bfcd12624d43326f4cd8a75_ryuk
Size

116KB
MD5

ca7507ea1bfcd12624d43326f4cd8a75
SHA1

fe26d7037ea27374ab119bdcc9b63be150257d58
SHA256

5825ee971238ed1448eb0f6a46cd240f05a00cf43bd29aff4c856d867ec5360d
SHA512

bf880a324243c7810faf544aeba864d5ecd2b500c2a0e03cc948577378ba516f3ba98d38ddcb14fc51e82a0fd4856f586032515cede0f4b79fc70ca235c8e58e
SSDEEP

1536:e6C+eh9PNMPF0cUMJ9aj75Zen6nQpWlUi2u6OsWOyd7B9dlHpmVel:ekea0PM/ajn86nQpWjj6xYVNpmU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-15_ca7507ea1bfcd12624d43326f4cd8a75_ryuk

Files

2024-05-15_ca7507ea1bfcd12624d43326f4cd8a75_ryuk
.exe windows:6 windows x64 arch:x64

c987066fb48a08128c77eb4a725b0a75

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

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

user32

RegisterClassExW
PostQuitMessage
DefWindowProcW
CreatePopupMenu

Sections

.text
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

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

c987066fb48a08128c77eb4a725b0a75

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

Sections

.text Size: 65KB - Virtual size: 64KB

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

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

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

.gfids Size: 512B - Virtual size: 168B

.gehcont Size: 512B - Virtual size: 16B

.rsrc Size: 512B - Virtual size: 480B

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

.text
Size: 65KB - Virtual size: 64KB

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

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

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

.gfids
Size: 512B - Virtual size: 168B

.gehcont
Size: 512B - Virtual size: 16B

.rsrc
Size: 512B - Virtual size: 480B

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