2023-05-18_21c8000e4c9d831fd99056cc73bd6045_ryuk

General

Target

2023-05-18_21c8000e4c9d831fd99056cc73bd6045_ryuk
Size

116KB
MD5

21c8000e4c9d831fd99056cc73bd6045
SHA1

3722baa95b43259182755e2b26bf0e74cc39689c
SHA256

04dab9af939ea4af4c4ef44152c490150c371c193f2fd24c49fd2be67d743e1e
SHA512

b1b348b50520dbcb89843d2a373bfc675ed0a0c172455921acf7d7734044f6c8058f22afb82bcf905a3a9947719049f257d7a8fe346cda41721ceab4c7d2aebf
SSDEEP

3072:aH3ou8wS+djfT4E9jURhlAOrqhBmEuPf:aH4hwEE9jMOC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2023-05-18_21c8000e4c9d831fd99056cc73bd6045_ryuk

Files

2023-05-18_21c8000e4c9d831fd99056cc73bd6045_ryuk
.exe windows x86

7bd2e5fa6a60233b32aae2586fd8acda

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

GetProcAddress
GetCurrentProcess
CreateThread
GetCurrentThread
SetLastError
WaitForMultipleObjects
Sleep
CloseHandle
WinExec
GetLocalTime
GetTickCount
LoadLibraryA
GetSystemDirectoryA
CreateFileW
DecodePointer
WriteConsoleW
SetFilePointerEx
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
RtlUnwind
GetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
GetStringTypeW
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
RaiseException

ws2_32

htons
htonl
bind
inet_addr

Sections

.text
Size: 76KB - Virtual size: 76KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 15KB - Virtual size: 44KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

7bd2e5fa6a60233b32aae2586fd8acda

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

ws2_32

Sections

.text Size: 76KB - Virtual size: 76KB

.rdata Size: 22KB - Virtual size: 22KB

.data Size: 15KB - Virtual size: 44KB

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

.text
Size: 76KB - Virtual size: 76KB

.rdata
Size: 22KB - Virtual size: 22KB

.data
Size: 15KB - Virtual size: 44KB

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