2024-02-23_cfa98082c50098b1a06489f74c7943b3_ryuk

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General

Target

2024-02-23_cfa98082c50098b1a06489f74c7943b3_ryuk
Size

1.9MB
MD5

cfa98082c50098b1a06489f74c7943b3
SHA1

46a83027aa397ede098fc75b4439a30c21b7c897
SHA256

7eca90505a9483bef5f5e71113a4488b53f2e0d11ea9820a7b29fba185c56fda
SHA512

60d72e3fe0f5af4f5f3b99e032a72dcd102833e048bea72b88a568a23801ed5df1a469bf8e388f9d7afe2bc5de65837ffc2e46cbed76156ce26822488c770868
SSDEEP

24576:KEPxoECLW1RcD92OB3aLXkwcIBIbHoFZbevPPO15qaMbNW2isv/G:9CLW1RcDgOB3aLVcI3ZqW3ORW2iS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-23_cfa98082c50098b1a06489f74c7943b3_ryuk

Files

2024-02-23_cfa98082c50098b1a06489f74c7943b3_ryuk
.exe windows:5 windows x64 arch:x64

6acfd07fb8e784f60f58db66852ed830

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\Projects\WinRAR\rar\build\unrar64\Release\UnRAR.pdb

Imports

kernel32

DeviceIoControl
SetFileTime
CloseHandle
CreateDirectoryW
RemoveDirectoryW
CreateFileW
DeleteFileW
CreateHardLinkW
GetShortPathNameW
GetLongPathNameW
MoveFileW
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
GetDriveTypeW
GetDiskFreeSpaceExW
SetFileAttributesW
GetFileAttributesW
GetVolumeInformationW
ExpandEnvironmentStringsW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetModuleFileNameW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
SetErrorMode
GetModuleHandleW
FreeLibrary
LoadLibraryW
LoadLibraryExW
GetProcAddress
GetCurrentProcessId
GetCurrentThread
GetCurrentProcess
SetThreadExecutionState
CreateEventW
GetSystemDirectoryW
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
GetProcessHeap
HeapSize
SetEnvironmentVariableA
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileA
SetConsoleCtrlHandler
FormatMessageW
Sleep
SetLastError
GetLastError
WriteConsoleW
ReadConsoleW
SetConsoleMode
GetConsoleMode
WriteFile
GetStdHandle
GetFileType
SetThreadPriority
GetCommandLineW
FindFirstFileExA
SetStdHandle
GetConsoleCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
WaitForSingleObjectEx
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
RaiseException
EncodePointer
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
ExitProcess
GetModuleHandleExW
QueryPerformanceFrequency
GetModuleFileNameA
GetCommandLineA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW

user32

CharLowerW
CharUpperW
MessageBeep
ExitWindowsEx
CharToOemBuffW
CharToOemA
OemToCharBuffA
OemToCharA
LoadStringW

advapi32

FreeSid
AllocateAndInitializeSid
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
LookupPrivilegeValueW
SetFileSecurityW
AdjustTokenPrivileges
OpenProcessToken
CheckTokenMembership

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHGetMalloc

powrprof

SetSuspendState

Sections

.text
Size: 266KB - Virtual size: 266KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 72KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 11KB - Virtual size: 100KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 11KB

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: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.5MB - Virtual size: 2.5MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

6acfd07fb8e784f60f58db66852ed830

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

powrprof

Sections

.text Size: 266KB - Virtual size: 266KB

.rdata Size: 72KB - Virtual size: 72KB

.data Size: 11KB - Virtual size: 100KB

.pdata Size: 11KB - Virtual size: 11KB

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

.rsrc Size: 31KB - Virtual size: 30KB

.reloc Size: 1.5MB - Virtual size: 2.5MB

.text
Size: 266KB - Virtual size: 266KB

.rdata
Size: 72KB - Virtual size: 72KB

.data
Size: 11KB - Virtual size: 100KB

.pdata
Size: 11KB - Virtual size: 11KB

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

.rsrc
Size: 31KB - Virtual size: 30KB

.reloc
Size: 1.5MB - Virtual size: 2.5MB