Static task
static1
Behavioral task
behavioral1
Sample
2024-05-23_52f80195c9b3bb6580ccbf3e0c9dceb5_ryuk.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-23_52f80195c9b3bb6580ccbf3e0c9dceb5_ryuk.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-23_52f80195c9b3bb6580ccbf3e0c9dceb5_ryuk
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Size
140KB
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MD5
52f80195c9b3bb6580ccbf3e0c9dceb5
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SHA1
aa5d37412781ac1048f9523ab248e379bfc51bf0
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SHA256
6d704353a882fc4e759a46052ad8e8e43965ade3832bc6770301796eeca0ea7d
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SHA512
1f158554de8b1335e864588e94a9d7e439539bd89555d7cc589f73814a7b99dbfc52c4aeb622f3bda86f11378975ea2d85fe70d64e40475380e3cdb3a520c3cf
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SSDEEP
3072:egKsEF7Wf33SdvlRmhYHP+8Pt1OOxkQ6:jBwK3SBDmhYld6
Malware Config
Signatures
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Detects command variations typically used by ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_GENRansomware -
Detects executables containing many references to VEEAM. Observed in ransomware 1 IoCs
resource yara_rule sample INDICATOR_SUSPICOUS_EXE_References_VEEAM -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-23_52f80195c9b3bb6580ccbf3e0c9dceb5_ryuk
Files
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2024-05-23_52f80195c9b3bb6580ccbf3e0c9dceb5_ryuk.exe windows:5 windows x86 arch:x86
1d0b6b925df56e49ee2768263a3e72dc
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
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
GetCurrentThread
LoadLibraryA
GlobalAlloc
DeleteFileW
Process32FirstW
GetModuleHandleA
CloseHandle
HeapAlloc
GetWindowsDirectoryW
GetProcAddress
VirtualAllocEx
LocalFree
GetProcessHeap
FreeLibrary
CreateRemoteThread
VirtualFreeEx
GetVersionExW
CreateFileW
GetModuleFileNameW
GetCurrentProcess
GetCommandLineW
SetLastError
HeapFree
GlobalFree
DecodePointer
WriteConsoleW
SetFilePointerEx
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
GetModuleHandleW
TerminateProcess
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
RtlUnwind
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
HeapReAlloc
WriteProcessMemory
advapi32
SystemFunction036
LookupPrivilegeValueW
AdjustTokenPrivileges
ImpersonateSelf
OpenProcessToken
OpenThreadToken
LookupAccountSidW
GetTokenInformation
shell32
CommandLineToArgvW
ShellExecuteW
Sections
.text Size: 76KB - Virtual size: 76KB
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: 26KB - Virtual size: 3.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 512B - Virtual size: 180B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ