2024-01-08_156481ef2828e145db9b4050c7c8cf72_ryuk

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General

Target

2024-01-08_156481ef2828e145db9b4050c7c8cf72_ryuk
Size

5.5MB
MD5

156481ef2828e145db9b4050c7c8cf72
SHA1

2dcf7f459fb46b98eb7ff54d525d860b887c7933
SHA256

97a1062c629e63530097a86c06907b0d0dd0f581ca7efb470f0f30c1fe30fce8
SHA512

5a74551cd5ec899d0696a4762060157aff8a2673293cfa26389851100bd3bfe7909771a6868774489464c4ab7e53834926500d31ec72e361eb854af544488021
SSDEEP

98304:BZJJ4X3IT06wWXuycm/iAdg/R7d64PavA1pYAWBcrKFrSwSn/C2siVXntquJKC:BDKWYbycm/iAd0RhOvCYIeSjsY0ukC

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
2024-01-08_156481ef2828e145db9b4050c7c8cf72_ryuk

Files

2024-01-08_156481ef2828e145db9b4050c7c8cf72_ryuk
.exe windows:5 windows x64 arch:x64

94984869e1c4b93c0069850d9e3b564b

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

GetFileType
SetEndOfFile
HeapReAlloc
GetLastError
SetDllDirectoryW
GetModuleFileNameW
GetProcAddress
GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
CreateProcessW
GetStartupInfoW
LoadLibraryExW
GetShortPathNameW
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
HeapSize
GetTimeZoneInformation
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
RaiseException
CloseHandle
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
FileTimeToSystemTime
GetFullPathNameW
GetFullPathNameA
CreateDirectoryW
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

ws2_32

ntohl

Sections

.text
Size: 131KB - Virtual size: 130KB

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: 59KB

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
downew_hidden.pyc

Sharing

General

Malware Config

Signatures

Files

94984869e1c4b93c0069850d9e3b564b

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

ws2_32

Sections

.text Size: 131KB - Virtual size: 130KB

.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: 59KB

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

.text
Size: 131KB - Virtual size: 130KB

.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: 59KB

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