2024-03-12_c6ce719078a2f41676b22b2e4ccd9ca9_ryuk

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General

Target

2024-03-12_c6ce719078a2f41676b22b2e4ccd9ca9_ryuk
Size

1.9MB
MD5

c6ce719078a2f41676b22b2e4ccd9ca9
SHA1

141eeb170d3d3843f10c36f55a4f9a457f3a5731
SHA256

70c7b7b77efe2d5563fcd0210ae8b4d291544229f965d974deb183d62369d724
SHA512

2fb4a2bada0d93cb0688029eb8b947230f8b4af06fb8573a1dd9d0afc763c03f711434f5a35eda2d9707cf24c68f09d85b22ea507e1e3123a97b363e85c9c4a8
SSDEEP

24576:Se0x5/NR79ZPP4dr2wjkWXUvt8YDz9xk/QqFmFYZ0aZR43l+sJASauIr5yfAaCc4:YlR79ezR8SqVsIpoYKk1a0A

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_c6ce719078a2f41676b22b2e4ccd9ca9_ryuk

Files

2024-03-12_c6ce719078a2f41676b22b2e4ccd9ca9_ryuk
.exe windows:6 windows x64 arch:x64

636feefcf7a1fc8b317809aa9024269e

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

C:\BuildAgent\work\1ad366e5a4ef9518\build-x64\Release\WinLauncher.pdb

Imports

kernel32

Sleep
GetLastError
GetFileAttributesA
SetEvent
LoadLibraryA
CloseHandle
CreateThread
GetCurrentDirectoryW
GetProcAddress
CreateFileMappingA
GetCurrentProcessId
CreateProcessW
FreeLibrary
WideCharToMultiByte
OpenFileMappingA
CreateEventA
MapViewOfFile
SetDllDirectoryW
SetFilePointerEx
ReadConsoleW
SetCurrentDirectoryA
SetEndOfFile
HeapSize
GetModuleFileNameW
GetConsoleCP
FlushFileBuffers
CreateFileW
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
FindClose
GetProcessHeap
OpenProcess
UnmapViewOfFile
WaitForSingleObject
GetEnvironmentVariableA
GetEnvironmentVariableW
ExpandEnvironmentStringsA
ReadFile
SetEnvironmentVariableW
EnumSystemLocalesW
GetUserDefaultLCID
IsValidLocale
ExpandEnvironmentStringsW
GetCommandLineW
GetConsoleMode
GetModuleFileNameA
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
SetLastError
InitializeCriticalSectionAndSpinCount
CreateEventW
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
GetSystemTimeAsFileTime
GetModuleHandleW
LCMapStringW
GetLocaleInfoW
GetStringTypeW
GetCPInfo
ResetEvent
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
IsDebuggerPresent
GetStartupInfoW
QueryPerformanceCounter
GetCurrentThreadId
InitializeSListHead
RtlPcToFileHeader
RaiseException
RtlUnwindEx
LoadLibraryExW
GetCommandLineA
HeapAlloc
HeapReAlloc
HeapFree
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetACP
GetFileType
WriteConsoleW

user32

EndPaint
GetWindowThreadProcessId
DefWindowProcW
DestroyWindow
MessageBoxW
LoadStringA
SetWindowLongPtrW
CreateWindowExW
GetWindowLongPtrW
RegisterClassExW
LoadStringW
ShowWindow
DispatchMessageW
GetWindowInfo
PeekMessageW
MessageBoxA
EnumWindows
BringWindowToTop
TranslateMessage
LoadCursorW
SystemParametersInfoW
UpdateWindow
LoadImageW
BeginPaint

gdi32

SelectObject
CreateCompatibleDC
GetStockObject
DeleteDC
GetObjectW
DeleteObject
BitBlt

shell32

SHGetKnownFolderPath
CommandLineToArgvW

ole32

CoTaskMemFree

advapi32

RegQueryValueExA
RegOpenKeyExA
RegCloseKey

Sections

.text
Size: 177KB - Virtual size: 177KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 92KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 4KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 420B

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: 1.0MB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

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

636feefcf7a1fc8b317809aa9024269e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

gdi32

shell32

ole32

advapi32

Sections

.text Size: 177KB - Virtual size: 177KB

.rdata Size: 92KB - Virtual size: 92KB

.data Size: 4KB - Virtual size: 11KB

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

.gfids Size: 512B - Virtual size: 420B

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

.rsrc Size: 1.0MB - Virtual size: 1.0MB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 177KB - Virtual size: 177KB

.rdata
Size: 92KB - Virtual size: 92KB

.data
Size: 4KB - Virtual size: 11KB

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

.gfids
Size: 512B - Virtual size: 420B

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

.rsrc
Size: 1.0MB - Virtual size: 1.0MB

.reloc
Size: 568KB - Virtual size: 572KB