2024-04-21_f3e762a57778cf6fd516df2883b3f1ad_ryuk

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General

Target

2024-04-21_f3e762a57778cf6fd516df2883b3f1ad_ryuk
Size

1.6MB
MD5

f3e762a57778cf6fd516df2883b3f1ad
SHA1

3766a8b967d0bd20255296378f3e38c0650a97db
SHA256

9548fe5ca06c480a2ef0ad17c6136e66fce9979f989b797d95d114f3bf94e515
SHA512

279f8c9b950832cad15a07fa50d577642fffe21a434b1457fc9d5834c95fd621da997cd493d6746991cca0888ded18c676c7877e11a4a3048c7f64aeeea0255b
SSDEEP

49152:BBnSbz3pmHLBh3qnNLwex+8ck5Ckb3SyD:83pgBhanNEex+u5Ck9

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-21_f3e762a57778cf6fd516df2883b3f1ad_ryuk

Files

2024-04-21_f3e762a57778cf6fd516df2883b3f1ad_ryuk
.exe windows:5 windows x64 arch:x64

d9447886eba9efdb055829ab57876f10

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
Sleep
GetTempPathW
SetCurrentDirectoryW
CreateProcessW
GetCommandLineW
GetEnvironmentVariableW
RemoveDirectoryW
CopyFileW
MoveFileExW
SetStdHandle
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
RaiseException
FindClose
ExpandEnvironmentStringsW
MoveFileW
SetFileAttributesW
GetDiskFreeSpaceExW
CreateFileW
CloseHandle
SetFileTime
SetFilePointer
SetEndOfFile
FlushFileBuffers
ReadFile
GetStdHandle
WriteFile
GetFileType
SetLastError
GetLastError
DeleteFileW
GetFileAttributesW
CreateDirectoryW
GetModuleFileNameW
GetStringTypeW
WriteConsoleW
ReadConsoleW
RtlLookupFunctionEntry
HeapSize
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
RtlPcToFileHeader
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
RtlCaptureContext

user32

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

gdi32

GetDeviceCaps
DeleteObject
CreateFontW

advapi32

RegEnumKeyExW
RegDeleteValueW
RegDeleteKeyW
RegCreateKeyExW
RegQueryValueExW
RegOpenKeyExW
RegCloseKey
RegSetValueExW

shell32

ShellExecuteW
SHGetSpecialFolderLocation
SHGetPathFromIDListW
SHGetMalloc
SHChangeNotify
SHGetFolderPathW
SHFileOperationW

ole32

OleUninitialize
OleInitialize
CoCreateInstance

Sections

.text
Size: 130KB - Virtual size: 130KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 57KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 46KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

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: 184KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1.2MB - Virtual size: 1.8MB

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

d9447886eba9efdb055829ab57876f10

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

advapi32

shell32

ole32

Sections

.text Size: 130KB - Virtual size: 130KB

.rdata Size: 57KB - Virtual size: 57KB

.data Size: 5KB - Virtual size: 46KB

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

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

.rsrc Size: 180KB - Virtual size: 184KB

.reloc Size: 1.2MB - Virtual size: 1.8MB

.text
Size: 130KB - Virtual size: 130KB

.rdata
Size: 57KB - Virtual size: 57KB

.data
Size: 5KB - Virtual size: 46KB

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

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

.rsrc
Size: 180KB - Virtual size: 184KB

.reloc
Size: 1.2MB - Virtual size: 1.8MB