2024-04-09_f79d09d656736de95e3229504bd3dfff_ryuk

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General

Target

2024-04-09_f79d09d656736de95e3229504bd3dfff_ryuk
Size

1.9MB
MD5

f79d09d656736de95e3229504bd3dfff
SHA1

67a44a06256ee325a19d8197b23fc8dc770e4cd1
SHA256

b30e3f3237e6df7711ceaa308eb42fdc931f9eba2b1666f23a4c58860d338aac
SHA512

4d004a467ce4495680c460c78dfcc57d4ce81aed1fb6392a8baadfc464f08d3fe10aa724147e0d497c7be26b1cf085a4f59882cd160b166fd951ca3ec796788d
SSDEEP

24576:bJ8NHTPZ9GyjyBhvn/+h1ig0TcmBbM3+hebdf:d8NHTB9/OBh34LmbM3+h

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-09_f79d09d656736de95e3229504bd3dfff_ryuk

Files

2024-04-09_f79d09d656736de95e3229504bd3dfff_ryuk
.exe windows:5 windows x64 arch:x64

7bc00e72947c3ab5f3aa5c01fe3ccefb

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\uninstall\build\uninstall64\Release\uninstall.pdb

Imports

kernel32

FindNextFileW
GetVersionExW
GetCurrentDirectoryW
FindResourceW
FreeLibrary
LoadLibraryW
LoadLibraryExW
GetProcAddress
GetCurrentProcessId
GetModuleHandleW
GetSystemDirectoryW
GetCPInfo
IsDBCSLeadByte
MultiByteToWideChar
WideCharToMultiByte
CompareStringW
GetModuleHandleExW
GetShortPathNameW
GetTempPathW
SetCurrentDirectoryW
Sleep
CreateProcessW
GetCommandLineW
GetEnvironmentVariableW
RemoveDirectoryW
CopyFileW
MoveFileExW
FindFirstFileW
GetProcessHeap
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileA
FindFirstFileExA
LCMapStringW
SetFilePointerEx
HeapReAlloc
GetConsoleMode
GetConsoleCP
HeapAlloc
HeapFree
GetACP
GetModuleFileNameA
ExitProcess
QueryPerformanceFrequency
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
LeaveCriticalSection
EnterCriticalSection
EncodePointer
RtlVirtualUnwind
RtlUnwindEx
FindClose
ExpandEnvironmentStringsW
MoveFileW
SetFileAttributesW
GetDiskFreeSpaceExW
CreateFileW
CloseHandle
SetFilePointer
SetEndOfFile
FlushFileBuffers
ReadFile
GetStdHandle
WriteFile
GetFileType
SetLastError
GetLastError
DeleteFileW
GetFileAttributesW
CreateDirectoryW
GetModuleFileNameW
GetStringTypeW
WriteConsoleW
ReadConsoleW
RtlLookupFunctionEntry
SetStdHandle
HeapSize
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
RaiseException
RtlPcToFileHeader
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
RtlCaptureContext

user32

SendMessageW
ShowWindow
GetDlgItem
EnableWindow
InvalidateRect
SetWindowTextW
GetParent
DialogBoxParamW
EndDialog
SetDlgItemTextW
GetDlgItemTextW
CheckDlgButton
IsDlgButtonChecked
OemToCharA
GetSysColor
SetForegroundWindow
SendDlgItemMessageW
MessageBoxW
GetDesktopWindow
ReleaseDC
GetDC
CharUpperW
LoadIconW
LoadStringW
GetWindow
GetClassNameW
SetProcessDefaultLayout
GetWindowLongPtrW
SetWindowLongW
GetWindowLongW
GetWindowRect
GetClientRect
GetWindowTextW
GetSystemMetrics
SetWindowPos

gdi32

GetDeviceCaps
DeleteObject
CreateFontW

advapi32

RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegSetValueExW

shell32

ShellExecuteW
SHGetSpecialFolderLocation
SHChangeNotify
SHGetFolderLocation
SHGetPathFromIDListW
SHGetMalloc
SHFileOperationW

ole32

OleUninitialize
OleInitialize
CoCreateInstance

Sections

.text
Size: 122KB - Virtual size: 121KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 54KB - Virtual size: 53KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 208B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 180KB - Virtual size: 180KB

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

7bc00e72947c3ab5f3aa5c01fe3ccefb

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

Sections

.text Size: 122KB - Virtual size: 121KB

.rdata Size: 54KB - Virtual size: 53KB

.data Size: 3KB - Virtual size: 36KB

.pdata Size: 7KB - Virtual size: 6KB

.gfids Size: 512B - Virtual size: 208B

.rsrc Size: 180KB - Virtual size: 180KB

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

.text
Size: 122KB - Virtual size: 121KB

.rdata
Size: 54KB - Virtual size: 53KB

.data
Size: 3KB - Virtual size: 36KB

.pdata
Size: 7KB - Virtual size: 6KB

.gfids
Size: 512B - Virtual size: 208B

.rsrc
Size: 180KB - Virtual size: 180KB

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