2024-08-29_3c44cb7fb68acaa2b4c8cf09bdd6a61e_ryuk

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General

Target

2024-08-29_3c44cb7fb68acaa2b4c8cf09bdd6a61e_ryuk
Size

1.5MB
MD5

3c44cb7fb68acaa2b4c8cf09bdd6a61e
SHA1

1cf47b432cce3dd68760775f3418801c578151af
SHA256

751ad1d1209a5fe66ebc266d67b8f11a007e0e79071e825ad3b2244f0a7eb20b
SHA512

5105b22c51b251e54bee5eaf42d15c43fa24b12d3bc4a2f0bda3b187897a0f5a84b50702e4269a64a397ab41183dec7575b0fc3b707bb80b71c3e311979650ec
SSDEEP

24576:SFoa+ptP0my2ZsqjnhMgeiCl7G0nehbGZpbD:Sea+ptPXRDmg27RnWGj

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-29_3c44cb7fb68acaa2b4c8cf09bdd6a61e_ryuk

Files

2024-08-29_3c44cb7fb68acaa2b4c8cf09bdd6a61e_ryuk
.exe windows:6 windows x64 arch:x64

41f72046cc6b64a20f76648690ba605c

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:\build.tc\agent\work\771734dc8677b927\release\lib\x64_Release_MT_vs2015\LMISupportM64.pdb

Imports

kernel32

LoadLibraryA
GetProcAddress
GetModuleFileNameA
FreeLibrary
GetCurrentDirectoryA
SetCurrentDirectoryA
OpenProcess
ExitProcess
GetCurrentProcessId
CloseHandle
WriteConsoleW
CreateFileW
SetFilePointerEx
GetConsoleMode
GetConsoleCP
HeapSize
SetStdHandle
FreeEnvironmentStringsW
GetEnvironmentStringsW
GetCommandLineW
GetCommandLineA
GetOEMCP
IsValidCodePage
FindNextFileW
FindFirstFileExW
GetProcessHeap
GetFileType
GetACP
GetStdHandle
GetModuleFileNameW
HeapReAlloc
HeapFree
HeapAlloc
GetModuleHandleExW
FreeLibraryAndExitThread
ExitThread
LoadLibraryExW
RtlPcToFileHeader
RtlUnwindEx
InitializeSListHead
GetStartupInfoW
IsDebuggerPresent
GetLastError
SetLastError
RaiseException
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
SetErrorMode
GetCurrentProcess
GetVersion
GetModuleHandleA
GetCurrentThread
LocalFree
GetSystemTimeAsFileTime
GetTickCount
FileTimeToSystemTime
SystemTimeToFileTime
GetTimeZoneInformation
WaitForSingleObject
SetThreadPriority
ResumeThread
SetEvent
ResetEvent
ReleaseMutex
FindClose
FlushFileBuffers
GetFileSize
GetFileTime
ReadFile
SetFilePointer
WriteFile
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
QueryPerformanceCounter
WaitForMultipleObjects
CreateEventW
CreateThread
GetModuleHandleW
CreateFileMappingW
OpenFileMappingW
MapViewOfFile
UnmapViewOfFile
LoadLibraryW
IsWow64Process
CreateToolhelp32Snapshot
Thread32First
Thread32Next
GetCurrentThreadId
WideCharToMultiByte
MultiByteToWideChar
GetStringTypeW
EncodePointer
DecodePointer
InitializeCriticalSectionAndSpinCount
LCMapStringW
GetCPInfo
WaitForSingleObjectEx
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent

user32

GetSystemMetrics
CharNextExA
RegisterWindowMessageW
PostThreadMessageW
LoadStringW
GetMessageW
TranslateMessage
DispatchMessageW
DefWindowProcW
PostQuitMessage
RegisterClassExW
CreateWindowExW
DestroyWindow
ShowWindow
DialogBoxParamW
EndDialog
SetTimer
KillTimer
LoadAcceleratorsW
TranslateAcceleratorW
UpdateWindow
BeginPaint
EndPaint
LoadCursorW
SetWindowLongPtrW
GetWindowLongPtrW
LoadIconW
SetLayeredWindowAttributes
CallWindowProcW
SendMessageW

ws2_32

closesocket
socket
WSACleanup
WSAStartup

version

VerQueryValueA
GetFileVersionInfoA

advapi32

RegCloseKey
OpenProcessToken
GetTokenInformation
OpenThreadToken
ConvertSidToStringSidW
RegQueryValueExW
RegCreateKeyExW

ole32

CoCreateGuid
CoInitialize
CoUninitialize

Sections

.text
Size: 147KB - Virtual size: 146KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 106KB - Virtual size: 105KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 28KB

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

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 49KB - Virtual size: 49KB

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

41f72046cc6b64a20f76648690ba605c

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

ws2_32

version

advapi32

ole32

Sections

.text Size: 147KB - Virtual size: 146KB

.rdata Size: 106KB - Virtual size: 105KB

.data Size: 7KB - Virtual size: 28KB

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

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

.rsrc Size: 49KB - Virtual size: 49KB

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

.text
Size: 147KB - Virtual size: 146KB

.rdata
Size: 106KB - Virtual size: 105KB

.data
Size: 7KB - Virtual size: 28KB

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

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

.rsrc
Size: 49KB - Virtual size: 49KB

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