C:\Users\Admin\Documents\Visual Studio 2015\Projects\ConsoleApplication54new\x64\Release\ConsoleApplication54.pdb
Static task
static1
Behavioral task
behavioral1
Sample
2024-04-23_9570e565f22baf2ef2039e3e2a433a21_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-23_9570e565f22baf2ef2039e3e2a433a21_ryuk.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-23_9570e565f22baf2ef2039e3e2a433a21_ryuk
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Size
157KB
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MD5
9570e565f22baf2ef2039e3e2a433a21
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SHA1
212eef8be5443d3c731e36b7b009e8a7640398ca
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SHA256
5cd5915813a68cde482e6e3725ad8fffcaaa824bec855946d49dccadaa856bc6
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SHA512
51167453150610465d6238662e22bca7753d71258d8326c008be11f4bc10d3298aadc750a677325971bd935cfdb1c661b5d91ba4426d93fb03a2990fc194955f
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SSDEEP
3072:W6vu/6+H1s/Os1xdp80OWzhC9UkRV0W/YZu3UKQ5:1M6D/OsLD80P4lhFJk
Malware Config
Signatures
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-23_9570e565f22baf2ef2039e3e2a433a21_ryuk
Files
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2024-04-23_9570e565f22baf2ef2039e3e2a433a21_ryuk.exe windows:5 windows x64 arch:x64
623f6cb0c3a82bb4c2c1660c203420f2
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
PDB Paths
Imports
kernel32
GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
GetCurrentThread
LoadLibraryA
GlobalAlloc
DeleteFileW
Process32FirstW
GetVersionExW
CloseHandle
LoadLibraryW
HeapAlloc
GetWindowsDirectoryW
GetProcAddress
VirtualAllocEx
LocalFree
GetProcessHeap
FreeLibrary
CreateRemoteThread
VirtualFreeEx
CreateFileW
CreateMutexA
GetModuleFileNameW
GetCurrentProcess
GetCommandLineW
SetLastError
HeapFree
GlobalFree
WriteConsoleW
SetFilePointerEx
HeapReAlloc
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
GetACP
LCMapStringW
GetFileType
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
WriteProcessMemory
advapi32
SystemFunction036
LookupPrivilegeValueW
AdjustTokenPrivileges
ImpersonateSelf
OpenProcessToken
OpenThreadToken
LookupAccountSidW
GetTokenInformation
shell32
ShellExecuteW
CommandLineToArgvW
Sections
.text Size: 85KB - Virtual size: 85KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 50KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 13KB - Virtual size: 3.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.gfids Size: 512B - Virtual size: 168B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
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