2024-01-11_d9f556281dd260c9981633a7411716dd_ryuk

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General

Target

2024-01-11_d9f556281dd260c9981633a7411716dd_ryuk
Size

592KB
MD5

d9f556281dd260c9981633a7411716dd
SHA1

e016f90698e2f26ecdac56d142989ed6d669622a
SHA256

693f17dae2f025661d560f26fa1d96f0946eebce334f81b18bf6007d85b9939b
SHA512

c218bbbf508a0c151a730ffcc32ccbd7c9a177ed31bd278c41f537e028d92a1c399ea77ade969f2e8bee14d7db746858535a20fe5eca824e2838fd3aa789c614
SSDEEP

12288:ZLqIGk30VQkPrjiQeWRwc/XQocU13mDnfuBFDgDUwvYl:ZLhGkEi8j/eWRwc/JJ13mDnfuBFDXwvU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-01-11_d9f556281dd260c9981633a7411716dd_ryuk

Files

2024-01-11_d9f556281dd260c9981633a7411716dd_ryuk
.exe windows:5 windows x64 arch:x64

b6cf226307a5f95763025e2880cdd028

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

GetCurrentProcess
DeviceIoControl
FindClose
SetFileTime
CloseHandle
BackupRead
BackupSeek
CreateDirectoryW
RemoveDirectoryW
CreateFileW
DeleteFileW
FindFirstFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
GetFileTime
GetCurrentProcessId
GetDriveTypeW
GetDiskFreeSpaceExW
SetFileAttributesW
GetFileAttributesW
GetVolumeInformationW
ExpandEnvironmentStringsW
FindNextFileW
GetVersionExW
GetModuleFileNameW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
SetErrorMode
FreeLibrary
LoadLibraryW
LoadLibraryExW
CompareStringA
GetCurrentThread
SetThreadPriority
SetConsoleCtrlHandler
CreateEventW
GetSystemDirectoryW
SetCurrentDirectoryW
GetFullPathNameA
SetPriorityClass
GetProcessAffinityMask
CreateThread
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
SetEvent
ResetEvent
ReleaseSemaphore
WaitForSingleObject
CreateSemaphoreW
GetSystemTime
SystemTimeToTzSpecificLocalTime
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
CompareStringW
SetFilePointerEx
HeapSize
GetProcessHeap
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileA
FormatMessageW
Sleep
GetLastError
WriteConsoleW
ReadConsoleW
SetConsoleMode
GetConsoleMode
WriteFile
GetStdHandle
GetFileType
GetCommandLineW
GetModuleHandleW
GetProcAddress
GetFileInformationByHandle
SetThreadExecutionState
SetLastError
FindFirstFileExA
SetStdHandle
GetConsoleCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
QueryPerformanceFrequency
GetModuleFileNameA
GetCommandLineA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW

user32

CharLowerW
CharUpperW
MessageBeep
ExitWindowsEx
CharLowerA
LoadStringW
CharToOemBuffW
OemToCharBuffA
OemToCharA
CharToOemA
CharToOemBuffA

advapi32

FreeSid
AllocateAndInitializeSid
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
LookupPrivilegeValueW
GetFileSecurityW
SetFileSecurityW
GetSecurityDescriptorLength
AdjustTokenPrivileges
OpenProcessToken
CryptGenRandom
CryptReleaseContext
CryptAcquireContextW
CheckTokenMembership

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHGetMalloc
SHFileOperationW

powrprof

SetSuspendState

Sections

.text
Size: 433KB - Virtual size: 432KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 85KB - Virtual size: 85KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 6KB - Virtual size: 121KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 17KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 216B

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: 33KB - Virtual size: 33KB

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

Sharing

General

Malware Config

Signatures

Files

b6cf226307a5f95763025e2880cdd028

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

powrprof

Sections

.text Size: 433KB - Virtual size: 432KB

.rdata Size: 85KB - Virtual size: 85KB

.data Size: 6KB - Virtual size: 121KB

.pdata Size: 17KB - Virtual size: 16KB

.gfids Size: 512B - Virtual size: 216B

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

.rsrc Size: 33KB - Virtual size: 33KB

.reloc Size: 2KB - Virtual size: 1KB

.text
Size: 433KB - Virtual size: 432KB

.rdata
Size: 85KB - Virtual size: 85KB

.data
Size: 6KB - Virtual size: 121KB

.pdata
Size: 17KB - Virtual size: 16KB

.gfids
Size: 512B - Virtual size: 216B

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

.rsrc
Size: 33KB - Virtual size: 33KB

.reloc
Size: 2KB - Virtual size: 1KB