2024-07-26_5a8b7351810ed88c10969d84e38713d4_ryuk

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General

Target

2024-07-26_5a8b7351810ed88c10969d84e38713d4_ryuk
Size

281KB
MD5

5a8b7351810ed88c10969d84e38713d4
SHA1

3d0bff44a3753de3d3e1fab1064ce862bb2ed1a4
SHA256

f07f110f8a787b8d02fa4d631774e7d1f0bee0429539f77168d4950c04bb76fb
SHA512

6627124bd6d627dfdbdd90e4b42c0f1b28c2f8387c61ed22d94615ecb81ed5a1efd1689d621096b7d44e74336e633c58921087d9de7080fd2b7b7c0bb9a5ef07
SSDEEP

6144:OUpCeFZIs3WKi71xkldVwkjHzq+P67GVbpLoh9t:OUpCRsmKwkNwkzo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-07-26_5a8b7351810ed88c10969d84e38713d4_ryuk

Files

2024-07-26_5a8b7351810ed88c10969d84e38713d4_ryuk
.exe windows:6 windows x64 arch:x64

9fcb5952ea08c20e96050c8f8179bd77

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

PDB Paths

c:\users\user1\documents\visual studio 2015\Projects\ConsoleApplication1\x64\Release\ConsoleApplication1.pdb

Imports

ntdll

RtlLookupFunctionEntry
RtlCaptureContext
RtlVirtualUnwind
RtlPcToFileHeader
RtlUnwindEx
NtOpenFile
NtWriteVirtualMemory
NtProtectVirtualMemory
NtClose
NtReadVirtualMemory
NtSetInformationFile
RtlInitUnicodeString
NtCreateThreadEx
NtQueryInformationProcess
NtWriteFile
NtCreateSection
NtCreateProcessEx

userenv

CreateEnvironmentBlock

kernel32

SetEvent
ReadConsoleW
WriteConsoleW
SetStdHandle
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileA
WriteProcessMemory
GetCurrentProcess
ExpandEnvironmentStringsW
VirtualAlloc
GetTempPathW
CreateFileW
UnmapViewOfFile
GetLastError
CloseHandle
LoadLibraryW
GetCurrentDirectoryW
GetProcAddress
VirtualAllocEx
GetFileSize
GetModuleHandleW
GetTempFileNameW
CreateFileMappingW
MapViewOfFile
LoadLibraryA
FindFirstFileExA
FindClose
MultiByteToWideChar
WideCharToMultiByte
GetStringTypeW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
HeapSize
ResetEvent
WaitForSingleObjectEx
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RaiseException
FreeLibrary
LoadLibraryExW
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetModuleHandleExW
GetModuleFileNameA
GetStdHandle
WriteFile
GetCommandLineA
GetCommandLineW
GetACP
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap

Sections

.text
Size: 169KB - Virtual size: 169KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 90KB - Virtual size: 89KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

9fcb5952ea08c20e96050c8f8179bd77

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ntdll

userenv

kernel32

Sections

.text Size: 169KB - Virtual size: 169KB

.rdata Size: 90KB - Virtual size: 89KB

.data Size: 5KB - Virtual size: 11KB

.pdata Size: 10KB - Virtual size: 9KB

.gfids Size: 1KB - Virtual size: 1KB

.tls Size: 512B - Virtual size: 9B

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

.reloc Size: 3KB - Virtual size: 3KB

.text
Size: 169KB - Virtual size: 169KB

.rdata
Size: 90KB - Virtual size: 89KB

.data
Size: 5KB - Virtual size: 11KB

.pdata
Size: 10KB - Virtual size: 9KB

.gfids
Size: 1KB - Virtual size: 1KB

.tls
Size: 512B - Virtual size: 9B

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

.reloc
Size: 3KB - Virtual size: 3KB