2024-05-31_a2815d34e38c59b46149529ec0bb79cb_ryuk

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General

Target

2024-05-31_a2815d34e38c59b46149529ec0bb79cb_ryuk
Size

6.4MB
MD5

a2815d34e38c59b46149529ec0bb79cb
SHA1

b2dca5f2d64c929721f1c010053e9580335015e6
SHA256

737699a2e19c60976129d839db81bdfd8df196362527765292667160542cf417
SHA512

7ea0714a699a9cf02e9a402008312f2468e6528dcc2d440cff26fd8cd029969bec90055abc148b7b8a64f5aae29f2113ad484e67f628a9b2af77f943e335863e
SSDEEP

196608:K/La9onJ5hrZERVM+ENFJzFcguwWh1qU3y:eG9c5hlERVMRFJzFcgup/N

Score

3^/10

pyinstaller

Malware Config

Signatures

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
sample	pyinstaller

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-31_a2815d34e38c59b46149529ec0bb79cb_ryuk

Files

2024-05-31_a2815d34e38c59b46149529ec0bb79cb_ryuk
.exe windows:5 windows x64 arch:x64

b0d2bcfaf69e32f6189b93d5e3f439ad

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

user32

MessageBoxW
MessageBoxA

kernel32

GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
SetDllDirectoryW
CreateProcessW
GetStartupInfoW
LoadLibraryExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
GetLastError
HeapReAlloc
SetEndOfFile
GetExitCodeProcess
GetCommandLineA
HeapSize
GetTimeZoneInformation
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
RaiseException
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
RemoveDirectoryW
FindClose
FindFirstFileExW
FindNextFileW
SetStdHandle
SetConsoleCtrlHandler
DeleteFileW
GetStdHandle
WriteFile
ExitProcess
GetModuleHandleExW
GetACP
HeapFree
HeapAlloc
GetConsoleMode
ReadConsoleW
SetFilePointerEx
GetConsoleCP
CompareStringW
LCMapStringW
GetCurrentDirectoryW
FlushFileBuffers
SetEnvironmentVariableA
GetFileAttributesExW
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetStringTypeW
GetProcessHeap
WriteConsoleW

advapi32

ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Sections

.text
Size: 129KB - Virtual size: 129KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 62KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 172B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 61KB - Virtual size: 61KB

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
vi.pyc

Sharing

General

Malware Config

Signatures

Files

b0d2bcfaf69e32f6189b93d5e3f439ad

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

advapi32

ws2_32

Sections

.text Size: 129KB - Virtual size: 129KB

.rdata Size: 62KB - Virtual size: 61KB

.data Size: 3KB - Virtual size: 44KB

.pdata Size: 7KB - Virtual size: 7KB

.gfids Size: 512B - Virtual size: 172B

.rsrc Size: 61KB - Virtual size: 61KB

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

.text
Size: 129KB - Virtual size: 129KB

.rdata
Size: 62KB - Virtual size: 61KB

.data
Size: 3KB - Virtual size: 44KB

.pdata
Size: 7KB - Virtual size: 7KB

.gfids
Size: 512B - Virtual size: 172B

.rsrc
Size: 61KB - Virtual size: 61KB

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