2024-04-15_4506a05f8bbb4a9b7efdbaad70e08162_ryuk

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General

Target

2024-04-15_4506a05f8bbb4a9b7efdbaad70e08162_ryuk
Size

1.5MB
MD5

4506a05f8bbb4a9b7efdbaad70e08162
SHA1

a443515f0c2c0eb57fbcc8670d4c5a6b0353e923
SHA256

48df7f26a84f9ada5671113e4549cf3e75a9c9763b1f9fa607cf7c1dddecb554
SHA512

9954ade8125f20c84844725cb20fcc1c19b51fdecd8a101d9f30cdbe8f15025e953f01c099505b7bb50c959a262d73471a556cdfd618474ef84f29803dc88dfd
SSDEEP

12288:uktnijoH/uLJOyo937vGFWxwFJI+yeuVb8r+ZP712Ii+51cjVWtVj5J:Rp2JOt934J7Z6bQaj1BvUm9J

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-15_4506a05f8bbb4a9b7efdbaad70e08162_ryuk

Files

2024-04-15_4506a05f8bbb4a9b7efdbaad70e08162_ryuk
.exe windows:6 windows x64 arch:x64

7f9bba0f81fa743a3df1dd1f3c49b630

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\tc\work\356c11a6f88244f8\build\bin\checkprocessorspecs.pdb

Imports

kernel32

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

Sections

.text
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 40KB - Virtual size: 40KB

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: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 148B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.4MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

7f9bba0f81fa743a3df1dd1f3c49b630

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

Sections

.text Size: 70KB - Virtual size: 69KB

.rdata Size: 40KB - Virtual size: 40KB

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

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

.00cfg Size: 512B - Virtual size: 16B

_RDATA Size: 512B - Virtual size: 148B

.reloc Size: 1.4MB - Virtual size: 2.2MB

.text
Size: 70KB - Virtual size: 69KB

.rdata
Size: 40KB - Virtual size: 40KB

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

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

.00cfg
Size: 512B - Virtual size: 16B

_RDATA
Size: 512B - Virtual size: 148B

.reloc
Size: 1.4MB - Virtual size: 2.2MB