2024-04-15_69a791690f568122548d96f7aa2edfa8_ryuk

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General

Target

2024-04-15_69a791690f568122548d96f7aa2edfa8_ryuk
Size

525KB
MD5

69a791690f568122548d96f7aa2edfa8
SHA1

34154465dce53d313aca4117bbc145e712c94ed1
SHA256

7088e02ba8fefddb8692abd739e0c22c561e0d131b4005c694d5360ee4a3e353
SHA512

7b2bf86895fe7a6547723a3dec4a2c4f9445196bfd754e4904e617914cb4f64e72ec0796a65929130110ccc4db5f74badc01fb4d8a76d7df14d3907e5b59c5e9
SSDEEP

6144:WBRqGFHN5aPIYJiHQeIdNJ+dilciuCW8ff:4DFHN5ze+QvuH8ff

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-15_69a791690f568122548d96f7aa2edfa8_ryuk

Files

2024-04-15_69a791690f568122548d96f7aa2edfa8_ryuk
.exe windows:5 windows x64 arch:x64

7750db020f556ffcbf61ea2175e3a842

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

PDB Paths

C:\dev\projs\ProcessSupervisor\x64\cpubalance\LogViewer.pdb

Imports

kernel32

DeleteCriticalSection
RaiseException
InitializeCriticalSectionAndSpinCount
FindResourceExW
FindResourceW
LoadResource
LockResource
SizeofResource
MultiByteToWideChar
WriteFile
SetEvent
GetModuleHandleW
FindCloseChangeNotification
FindNextChangeNotification
WaitForMultipleObjects
FindFirstChangeNotificationW
ReadFile
ReleaseMutex
DeleteFileW
SetFilePointer
GetFileSize
GetLastError
CreateFileW
Sleep
CreateThread
CloseHandle
WaitForSingleObject
CreateEventW
GetProcessHeap
HeapAlloc
HeapFree
HeapReAlloc
GetFileAttributesW
FreeLibrary
LocalFree
GetVersionExW
GetModuleFileNameW
GetCurrentProcess
GetStartupInfoW
GetCurrentProcessId
SetLastError
GetProcAddress
WinExec
HeapSize
RemoveDirectoryW
CopyFileW
CreateDirectoryW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
TerminateThread
OpenMutexW
CreateMutexW
GetSystemTimeAsFileTime
InitializeCriticalSection
GetSystemInfo
ResetEvent
FlushFileBuffers
SystemTimeToFileTime
IsBadWritePtr
IsDebuggerPresent
OutputDebugStringW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
WaitForSingleObjectEx
QueryPerformanceCounter
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
EncodePointer
RtlUnwindEx
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
GetModuleHandleExW
GetStdHandle
GetACP
GetFileType
GetStringTypeW
LCMapStringW
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetConsoleCP
GetConsoleMode
SetFilePointerEx
WriteConsoleW
HeapDestroy
ExitProcess
MoveFileW
LoadLibraryW

user32

InvalidateRect
LoadStringW
GetDlgItem
GetSysColor
EndDialog
PostQuitMessage
EndPaint
BeginPaint
IsWindowVisible
DefWindowProcW
PostMessageW
DialogBoxParamW
GetWindowTextW
SetTimer
SetWindowTextW
SetWindowPos
GetWindowDC
GetClientRect
UpdateWindow
ShowWindow
CreateWindowExW
RegisterClassExW
LoadCursorW
LoadIconW
DispatchMessageW
TranslateMessage
TranslateAcceleratorW
GetMessageW
LoadAcceleratorsW
SendMessageW
MessageBoxW

gdi32

GetTextExtentPoint32W

comdlg32

GetSaveFileNameW
GetOpenFileNameW

advapi32

RegOpenKeyExW
RegQueryValueExW
RegCloseKey
RegCreateKeyExW
RegSetValueExW

shell32

SHGetSpecialFolderPathW
SHCreateDirectoryExW
ShellExecuteW

oleaut32

VariantClear

Sections

.text
Size: 218KB - Virtual size: 217KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 61KB - Virtual size: 61KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 42KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 252B

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: 226KB - Virtual size: 226KB

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

7750db020f556ffcbf61ea2175e3a842

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

comdlg32

advapi32

shell32

oleaut32

Sections

.text Size: 218KB - Virtual size: 217KB

.rdata Size: 61KB - Virtual size: 61KB

.data Size: 5KB - Virtual size: 42KB

.pdata Size: 10KB - Virtual size: 9KB

.gfids Size: 512B - Virtual size: 252B

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

.rsrc Size: 226KB - Virtual size: 226KB

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

.text
Size: 218KB - Virtual size: 217KB

.rdata
Size: 61KB - Virtual size: 61KB

.data
Size: 5KB - Virtual size: 42KB

.pdata
Size: 10KB - Virtual size: 9KB

.gfids
Size: 512B - Virtual size: 252B

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

.rsrc
Size: 226KB - Virtual size: 226KB

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