2024-02-04_7aaf674353eaf2f0326e4d75995faf8b_ryuk

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General

Target

2024-02-04_7aaf674353eaf2f0326e4d75995faf8b_ryuk
Size

5.7MB
MD5

7aaf674353eaf2f0326e4d75995faf8b
SHA1

9d7f36c260aab7775473df930fdc7141c5e8bc87
SHA256

a9ea5dea982cd422555d7b2eeec68d70c74c6b095605998c8426e40ed0b23dbe
SHA512

3266c2a2ce09f721e8ceb528fbe27b3e2d5f12c5a0cbf707c1384f965e7b5c218a1fe606128c3217e79339afebb907941a96a69ebfc2aa8c84963ef77fc3108d
SSDEEP

98304:sUL80VJ9FevYYMeBFh5iFIRv2Vb84DnjocyBQPnRNJe1B+XKgbF88aOsSHhyntp3:sM/neMeR5U84WGRNJprJsKAPIAIkD

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
2024-02-04_7aaf674353eaf2f0326e4d75995faf8b_ryuk

Files

2024-02-04_7aaf674353eaf2f0326e4d75995faf8b_ryuk
.exe windows:5 windows x64 arch:x64

7aa1951517b3b8d38b12f874b66196c9

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

GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
SetDllDirectoryW
CreateProcessW
GetStartupInfoW
LoadLibraryExW
CreateDirectoryW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
GetExitCodeProcess
GetLastError
SetEndOfFile
HeapReAlloc
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetCommandLineA
ReadFile
CreateFileW
GetDriveTypeW
GetFileType
CloseHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
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
GetTimeZoneInformation
HeapSize
RaiseException

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Sections

.text
Size: 133KB - Virtual size: 133KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 60KB

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: 60KB - Virtual size: 60KB

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
rev_special.pyc

Sharing

General

Malware Config

Signatures

Files

7aa1951517b3b8d38b12f874b66196c9

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ws2_32

Sections

.text Size: 133KB - Virtual size: 133KB

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

.data Size: 3KB - Virtual size: 60KB

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

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

.rsrc Size: 60KB - Virtual size: 60KB

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

.text
Size: 133KB - Virtual size: 133KB

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

.data
Size: 3KB - Virtual size: 60KB

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

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

.rsrc
Size: 60KB - Virtual size: 60KB

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