2024-06-25_ac61d6925752d85e78f93afe4a553e77_ryuk

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General

Target

2024-06-25_ac61d6925752d85e78f93afe4a553e77_ryuk
Size

711KB
MD5

ac61d6925752d85e78f93afe4a553e77
SHA1

ad4dbacf129572e2b7dc692ed967ef4700fd693f
SHA256

fc41fdbadc4e315d872a2c8519fe8ae858ee251b0b5ceb40a4837dc46ffb98bd
SHA512

53daea6318b440d5e08c8203f5bbc2cdabcce44f06868362b9c0d87dbc8f34f50cce096c073d4dff9addd3894382ebd3a82839a44c29d8159aba421b8b231575
SSDEEP

12288:aOnjDmNlqbgyTpTo2H67VQxisGUvBH8L1xuTxUSJ7VoRUGg2uo20Q65VTrmRh:aOnjDmNlqvBcLyTOUVo6Gg2urIJr8

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-25_ac61d6925752d85e78f93afe4a553e77_ryuk

Files

2024-06-25_ac61d6925752d85e78f93afe4a553e77_ryuk
.exe windows:5 windows x64 arch:x64

74a9bdd794493b2b9408e4157d3b09e6

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:\Users\pjm\BuildDir\drweb-se\rel-12\drweb-se\Solution\Compiled\x64\Release\Pdb\dwarkdaemon.pdb

Imports

kernel32

Sleep
ReadFile
PeekNamedPipe
GetCurrentProcessId
GetCurrentProcess
DuplicateHandle
LocalFree
OpenProcess
DeleteCriticalSection
DecodePointer
RaiseException
InitializeCriticalSectionAndSpinCount
GetModuleFileNameA
FreeEnvironmentStringsW
GetEnvironmentStringsW
FreeLibrary
LoadLibraryA
SetLastError
CreateFileW
CreateFileMappingA
GetFileSize
CreateFileA
SetNamedPipeHandleState
CreateEventW
ConnectNamedPipe
WaitForMultipleObjects
DisconnectNamedPipe
WriteFile
CreateNamedPipeA
EnterCriticalSection
LeaveCriticalSection
CreateEventA
OpenEventA
SetEvent
ResetEvent
GetModuleHandleW
TerminateProcess
TerminateThread
ResumeThread
QueryPerformanceFrequency
QueryPerformanceCounter
GetSystemTimeAsFileTime
UnmapViewOfFile
GetVersion
GetLocalTime
FindClose
GetFullPathNameW
GetCurrentDirectoryW
GetModuleFileNameW
FindFirstFileW
MultiByteToWideChar
WideCharToMultiByte
SetFilePointerEx
SetEndOfFile
GetStringTypeW
CompareStringA
GetVersionExA
EncodePointer
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
CompareStringW
LCMapStringW
GetLocaleInfoW
GetCPInfo
IsDebuggerPresent
OutputDebugStringW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
GetStartupInfoW
InitializeSListHead
RtlUnwindEx
RtlPcToFileHeader
LoadLibraryExW
CreateThread
ExitThread
FreeLibraryAndExitThread
GetModuleHandleExW
HeapReAlloc
ExitProcess
GetStdHandle
GetCommandLineA
GetCommandLineW
GetACP
GetFileType
IsValidLocale
GetUserDefaultLCID
EnumSystemLocalesW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
SetEnvironmentVariableA
SetStdHandle
WriteConsoleW
ReadConsoleW
MapViewOfFile
GetModuleHandleA
GetVersionExW
GetLastError
FreeConsole
SetErrorMode
WaitForSingleObject
GetProcAddress
WaitForSingleObjectEx
HeapFree
GetProcessHeap
HeapAlloc
GetCurrentThreadId
GetNativeSystemInfo
CloseHandle

user32

CharLowerBuffA
CharLowerBuffW

advapi32

ConvertStringSecurityDescriptorToSecurityDescriptorA
ConvertSecurityDescriptorToStringSecurityDescriptorA
RegEnumKeyA
ReportEventW
RegSetValueExA
DeregisterEventSource
RegisterEventSourceA
RegQueryValueExW
RegCreateKeyExA
RegQueryValueExA
RegCloseKey
RegOpenKeyExA

shell32

SHGetFolderPathW

Sections

.text
Size: 461KB - Virtual size: 461KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 179KB - Virtual size: 179KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 1024B - Virtual size: 964B

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: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

74a9bdd794493b2b9408e4157d3b09e6

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

kernel32

user32

advapi32

shell32

Sections

.text Size: 461KB - Virtual size: 461KB

.rdata Size: 179KB - Virtual size: 179KB

.data Size: 12KB - Virtual size: 20KB

.pdata Size: 20KB - Virtual size: 20KB

.gfids Size: 1024B - Virtual size: 964B

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

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

.reloc Size: 4KB - Virtual size: 4KB

.text
Size: 461KB - Virtual size: 461KB

.rdata
Size: 179KB - Virtual size: 179KB

.data
Size: 12KB - Virtual size: 20KB

.pdata
Size: 20KB - Virtual size: 20KB

.gfids
Size: 1024B - Virtual size: 964B

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

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

.reloc
Size: 4KB - Virtual size: 4KB