2024-06-06_e19f2d8b706b8ae8390bcb5ee7b10d1f_cova_ryuk

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General

Target

2024-06-06_e19f2d8b706b8ae8390bcb5ee7b10d1f_cova_ryuk
Size

2.2MB
MD5

e19f2d8b706b8ae8390bcb5ee7b10d1f
SHA1

d1bf74445805bb2b9744aaf272e70166fe07bbfd
SHA256

c3ff697ffa3ccf61ac56655f9334a66645a1fb86274ea16ecf43b797a753e567
SHA512

6d74c88abc84eb7390a7c8245e8d5f4a361e293e07b49ff2b08021e5f864319faf6a1b886d628cb861d27baab9560a67521a9baa5f68e50f592663ead0ee8c68
SSDEEP

49152:BwN7fzYcFe7I3TEK24Y9/qTjtfdI7dHiCgqAmcP1Qy8rPGZfEvYENf/rHi1y:4YcFe8gT/qfJM9i8KuxKyp/rHis

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-06_e19f2d8b706b8ae8390bcb5ee7b10d1f_cova_ryuk

Files

2024-06-06_e19f2d8b706b8ae8390bcb5ee7b10d1f_cova_ryuk
.exe windows:5 windows x64 arch:x64

81b0a3ca037bc0586cdc6705514792c2

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB Paths

D:\Projects\WinRAR\sfx\build\sfxzip64\Release\sfxzip.pdb

Imports

kernel32

GetLastError
SetLastError
FormatMessageW
GetFileType
GetStdHandle
WriteFile
ReadFile
FlushFileBuffers
SetEndOfFile
SetFilePointer
SetFileTime
CloseHandle
CreateFileW
CreateDirectoryW
SetFileAttributesW
GetFileAttributesW
DeleteFileW
MoveFileW
FindClose
FindFirstFileW
FindNextFileW
GetVersionExW
GetCurrentDirectoryW
GetFullPathNameW
FoldStringW
GetModuleFileNameW
GetModuleHandleW
FindResourceW
FreeLibrary
GetProcAddress
GetCurrentProcessId
ExitProcess
SetThreadExecutionState
Sleep
LoadLibraryW
GetSystemDirectoryW
CompareStringW
AllocConsole
FreeConsole
AttachConsole
WriteConsoleW
TzSpecificLocalTimeToSystemTime
SystemTimeToFileTime
FileTimeToLocalFileTime
LocalFileTimeToFileTime
FileTimeToSystemTime
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
GlobalAlloc
LockResource
GlobalLock
GlobalUnlock
GlobalFree
LoadResource
SizeofResource
SetCurrentDirectoryW
GetExitCodeProcess
WaitForSingleObject
GetLocalTime
GetTickCount
MapViewOfFile
UnmapViewOfFile
CreateFileMappingW
OpenFileMappingW
GetCommandLineW
SetEnvironmentVariableW
ExpandEnvironmentStringsW
GetTempPathW
MoveFileExW
GetLocaleInfoW
GetTimeFormatW
GetDateFormatW
GetNumberFormatW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
GetProcessHeap
RaiseException
GetSystemInfo
VirtualProtect
VirtualQuery
LoadLibraryExA
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
IsDebuggerPresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetStartupInfoW
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
EncodePointer
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
QueryPerformanceFrequency
GetCurrentProcess
TerminateProcess
GetModuleHandleExW
GetModuleFileNameA
GetACP
HeapFree
HeapAlloc
HeapReAlloc
GetStringTypeW
LCMapStringW
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW

gdiplus

GdiplusShutdown
GdiplusStartup
GdipCreateHBITMAPFromBitmap
GdipCreateBitmapFromStream
GdipDisposeImage
GdipCloneImage
GdipFree
GdipAlloc

Sections

.text
Size: 161KB - Virtual size: 161KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 59KB - Virtual size: 58KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 215KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 1024B - Virtual size: 712B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 236KB - Virtual size: 236KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

81b0a3ca037bc0586cdc6705514792c2

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

gdiplus

Sections

.text Size: 161KB - Virtual size: 161KB

.rdata Size: 59KB - Virtual size: 58KB

.data Size: 4KB - Virtual size: 215KB

.pdata Size: 8KB - Virtual size: 8KB

.didat Size: 1024B - Virtual size: 712B

.rsrc Size: 236KB - Virtual size: 236KB

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

.text
Size: 161KB - Virtual size: 161KB

.rdata
Size: 59KB - Virtual size: 58KB

.data
Size: 4KB - Virtual size: 215KB

.pdata
Size: 8KB - Virtual size: 8KB

.didat
Size: 1024B - Virtual size: 712B

.rsrc
Size: 236KB - Virtual size: 236KB

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