2024-04-24_5c9879248afb1791af88eefd303141b4_ryuk

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General

Target

2024-04-24_5c9879248afb1791af88eefd303141b4_ryuk
Size

1.1MB
MD5

5c9879248afb1791af88eefd303141b4
SHA1

30941e8d1a73a5a1aec09cbda29c113dbc62b53e
SHA256

d322a528e68993566fe966482de93fa848689275b4d5b9c77b622b40db2e3953
SHA512

ae83853b4b0de0aca5c8c31ec933a989794d27526a72df88892e49215dbabd39a9635523ef3c929f4fbda4a73248b9f0685cf04850ea866941adea898481376c
SSDEEP

24576:/acoF/67DRtWFTKxg8+bgMSoKMzT7b8VD/pcSOk/gyT0q7b:/ag7ttWp3bgMrzT7IpTOk/5T7

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-24_5c9879248afb1791af88eefd303141b4_ryuk

Files

2024-04-24_5c9879248afb1791af88eefd303141b4_ryuk
.exe windows:6 windows x64 arch:x64

f7436e4f6850b9c6fbaca096e5cc900d

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

EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
MultiByteToWideChar
EncodePointer
DecodePointer
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
GetProcAddress
CompareStringW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
CloseHandle
SetEvent
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetLastError
FreeLibrary
LoadLibraryExW
GetModuleFileNameW
WideCharToMultiByte
HeapAlloc
HeapFree
HeapReAlloc
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
GetCommandLineA
GetCommandLineW
GetACP
GetCurrentThread
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
GetFileType
FlushFileBuffers
GetConsoleCP
GetConsoleMode
ReadFile
SetFilePointerEx
GetProcessHeap
IsValidCodePage
GetOEMCP
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableA
FindClose
FindFirstFileExA
FindNextFileA
SetStdHandle
WriteConsoleW
ReadConsoleW
CreateFileW
HeapSize
SetEndOfFile
InitializeCriticalSection
GetThreadTimes

advapi32

SystemFunction036

Sections

.text
Size: 813KB - Virtual size: 812KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 225KB - Virtual size: 225KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 17KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 33KB - Virtual size: 32KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.tls
Size: 512B - Virtual size: 9B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f7436e4f6850b9c6fbaca096e5cc900d

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

Sections

.text Size: 813KB - Virtual size: 812KB

.rdata Size: 225KB - Virtual size: 225KB

.data Size: 10KB - Virtual size: 17KB

.pdata Size: 33KB - Virtual size: 32KB

.gfids Size: 512B - Virtual size: 488B

.tls Size: 512B - Virtual size: 9B

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 813KB - Virtual size: 812KB

.rdata
Size: 225KB - Virtual size: 225KB

.data
Size: 10KB - Virtual size: 17KB

.pdata
Size: 33KB - Virtual size: 32KB

.gfids
Size: 512B - Virtual size: 488B

.tls
Size: 512B - Virtual size: 9B

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 5KB - Virtual size: 4KB