2024-06-30_b04ee059d89276fd86daa4043270b92d_ryuk

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General

Target

2024-06-30_b04ee059d89276fd86daa4043270b92d_ryuk
Size

589KB
MD5

b04ee059d89276fd86daa4043270b92d
SHA1

bc41aa6ca0ce912051738ce7a0cbb012d7760b22
SHA256

e80b6b1c2a70fbac0bf29f55cc1065df953e8aa3354d4879adfb7c5880a2e4f3
SHA512

73571a4c07bdfc8fae9e8263adc4dba08bb5183694681a53d1f1c91d85cf36e4e0eb3a0515aeeca45461bdbaf79baf62964f5a3f285534c5996d65629b1b9d8c
SSDEEP

12288:LWzil8LQ43SGl/J0j5vprOe4vXzW4iioE8qI8lUIxJU:azio1SoSlpyeiZX2i

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-30_b04ee059d89276fd86daa4043270b92d_ryuk

Files

2024-06-30_b04ee059d89276fd86daa4043270b92d_ryuk
.exe windows:5 windows x64 arch:x64

cf4da72a02a956f6c5311951abe99258

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

ReadFile
VirtualAlloc
GetLastError
CreateFileA
LoadLibraryA
GetFileSize
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
HeapFree
HeapAlloc
CompareStringW
LCMapStringW
GetFileType
GetStringTypeW
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
GetProcessHeap
CloseHandle
SetStdHandle
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
HeapReAlloc
SetFilePointerEx
WriteConsoleW
CreateFileW

Sections

.text
Size: 77KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 42KB

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: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 228B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 457KB - Virtual size: 457KB

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

cf4da72a02a956f6c5311951abe99258

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 77KB - Virtual size: 76KB

.rdata Size: 43KB - Virtual size: 42KB

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

.pdata Size: 5KB - Virtual size: 4KB

.gfids Size: 512B - Virtual size: 228B

.rsrc Size: 457KB - Virtual size: 457KB

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

.text
Size: 77KB - Virtual size: 76KB

.rdata
Size: 43KB - Virtual size: 42KB

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

.pdata
Size: 5KB - Virtual size: 4KB

.gfids
Size: 512B - Virtual size: 228B

.rsrc
Size: 457KB - Virtual size: 457KB

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