2024-05-12_b280bc09d467b0c734b913873b0c24b7_ryuk

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General

Target

2024-05-12_b280bc09d467b0c734b913873b0c24b7_ryuk
Size

1.4MB
MD5

b280bc09d467b0c734b913873b0c24b7
SHA1

5157b6d7d33b46db8032b2cb152e94880536a3a5
SHA256

e38635fdab156ae65134a141c5c171dd6de56ea87441304c892782ccac111c7f
SHA512

368dc4a66192d89334d14738a7b53b53bfeafac05435a8eb35bc1871fcd0ae84910a18ffbda66a2fb86dd2747bf1fdd6056f5e20c30b6c485d27edeee7cb8742
SSDEEP

24576:MAMUrU7p35lmMrfy5GKjFcIONHG+im2ma2PlhhIihGzBkTdvLYeK:MAjAp35lmMrfy5prOHFYih5e

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-12_b280bc09d467b0c734b913873b0c24b7_ryuk

Files

2024-05-12_b280bc09d467b0c734b913873b0c24b7_ryuk
.exe windows:6 windows x64 arch:x64

5252603393e17c6daba3fab19a2bf814

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
InitializeCriticalSection
GetLastError
TryEnterCriticalSection
CreateActCtxA
ActivateActCtx
DeactivateActCtx
CreateThread
SuspendThread
OpenThread
GetModuleHandleA
CreateNamedPipeA
ExitProcess
VirtualAlloc
SetNamedPipeHandleState
GetSystemTime
DeleteCriticalSection
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
HeapAlloc
HeapFree
GetModuleHandleW
GetProcAddress
SetLastError
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
FreeLibrary
LoadLibraryExW
LCMapStringW
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetStringTypeW
RaiseException
FlushFileBuffers
WriteFile
GetConsoleCP
GetConsoleMode
SetStdHandle
GetCPInfo
IsValidCodePage
GetOEMCP
GetModuleHandleExW
CloseHandle
SetFilePointerEx
WriteConsoleW
ReadFile
ReadConsoleW
CreateFileW
RtlUnwindEx

Sections

.text
Size: 80KB - Virtual size: 80KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rotext
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 750KB - Virtual size: 750KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 606KB - Virtual size: 609KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rodata
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5252603393e17c6daba3fab19a2bf814

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 80KB - Virtual size: 80KB

.rotext Size: 18KB - Virtual size: 17KB

.rdata Size: 750KB - Virtual size: 750KB

.data Size: 606KB - Virtual size: 609KB

.pdata Size: 3KB - Virtual size: 2KB

.gfids Size: 512B - Virtual size: 32B

.rodata Size: 512B - Virtual size: 88B

.rsrc Size: 12KB - Virtual size: 11KB

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

.text
Size: 80KB - Virtual size: 80KB

.rotext
Size: 18KB - Virtual size: 17KB

.rdata
Size: 750KB - Virtual size: 750KB

.data
Size: 606KB - Virtual size: 609KB

.pdata
Size: 3KB - Virtual size: 2KB

.gfids
Size: 512B - Virtual size: 32B

.rodata
Size: 512B - Virtual size: 88B

.rsrc
Size: 12KB - Virtual size: 11KB

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