Static task
static1
Behavioral task
behavioral1
Sample
2024-03-11_e28c6778ed9f07baec783d2b98cf02d1_ryuk.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-11_e28c6778ed9f07baec783d2b98cf02d1_ryuk.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-11_e28c6778ed9f07baec783d2b98cf02d1_ryuk
-
Size
189KB
-
MD5
e28c6778ed9f07baec783d2b98cf02d1
-
SHA1
b2e28c3762e48d348a97f76dadcbf729832ebaf1
-
SHA256
5b083bf0e40694a2c7b50a9d147b2f86ca14ca51503528048288c2eb07e823ce
-
SHA512
958b725dc004038bc39c9d3b16efb031aebfa75e5c265f220d0a15def24ecd1a13d13effa23da23ccf9cbefaf9db345b3707574b8e7acd59f175804fc25776aa
-
SSDEEP
3072:vTdJLzdEYd3G9uwhTdUOWIVhFf5/8ZCbHl87je5LVvkrjaHBN1zwJWpnd:vTrKO3G9dhNfLm765LVCOBAWpnd
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-03-11_e28c6778ed9f07baec783d2b98cf02d1_ryuk
Files
-
2024-03-11_e28c6778ed9f07baec783d2b98cf02d1_ryuk.exe windows:6 windows x64 arch:x64
530632003f55d90bc68aba742585af55
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
CreateToolhelp32Snapshot
CreateEventW
Process32NextW
CreateThreadpoolWait
WaitForSingleObject
Process32FirstW
SetThreadpoolWait
LoadResource
FindResourceW
VirtualAlloc
SizeofResource
LockResource
GetModuleFileNameA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
HeapFree
HeapAlloc
LCMapStringW
CloseHandle
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetFileType
GetStringTypeW
GetProcessHeap
HeapSize
HeapReAlloc
FlushFileBuffers
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
CreateFileW
advapi32
RegCloseKey
RegSetValueExA
RegCreateKeyA
Sections
.text Size: 40KB - Virtual size: 40KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 35KB - Virtual size: 35KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 188B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 104KB - Virtual size: 104KB
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