2024-06-07_bd5d39a0c534b7cc42ffbb5e823d8d04_ryuk

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General

Target

2024-06-07_bd5d39a0c534b7cc42ffbb5e823d8d04_ryuk
Size

7.0MB
MD5

bd5d39a0c534b7cc42ffbb5e823d8d04
SHA1

8d629118a5c39acf6b2d3b48f8156ece2dfa25b7
SHA256

cd3887c5687da5565e8c9117786827b5cee23d1cf363add7fbf09aecd465e42a
SHA512

5851ee57e31fd53d0ba75f570e24aa70972f41406ca0cd212c6137dd43a3d5dfae77c43e746c4ad42701ecf4564083b7775bdd59b629865f7fb8f3f502ec5adf
SSDEEP

196608:5Ck/tw5SC6HNJAT8UXlVh/bYofG7rYnEuD8Jl6R:vt+SCSvrUXN/8GaMnEu

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
2024-06-07_bd5d39a0c534b7cc42ffbb5e823d8d04_ryuk

Files

2024-06-07_bd5d39a0c534b7cc42ffbb5e823d8d04_ryuk
.exe windows:5 windows x64 arch:x64

bb2292057634957dfa559b6eef7b52d8

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

GetCommandLineW
GetEnvironmentVariableW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
CreateDirectoryW
GetTempPathW
WaitForSingleObject
Sleep
GetExitCodeProcess
GetStartupInfoW
LoadLibraryExW
CloseHandle
GetCurrentProcess
LocalFree
FormatMessageW
LoadLibraryA
MultiByteToWideChar
WideCharToMultiByte
GetProcAddress
GetModuleFileNameW
SetDllDirectoryW
CreateProcessW
GetLastError
SetEndOfFile
HeapReAlloc
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
GetCommandLineA
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
GetTimeZoneInformation
HeapSize
RaiseException

advapi32

ConvertSidToStringSidW
GetTokenInformation
OpenProcessToken
ConvertStringSecurityDescriptorToSecurityDescriptorW

ws2_32

ntohl

Sections

.text
Size: 132KB - Virtual size: 131KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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: 160KB - Virtual size: 160KB

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
COVID_News.pyc

Sharing

General

Malware Config

Signatures

Files

bb2292057634957dfa559b6eef7b52d8

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

ws2_32

Sections

.text Size: 132KB - Virtual size: 131KB

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

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

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

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

.rsrc Size: 160KB - Virtual size: 160KB

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

.text
Size: 132KB - Virtual size: 131KB

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

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

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

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

.rsrc
Size: 160KB - Virtual size: 160KB

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