2024-06-27_584ee8b58b84938f456fbdb28142f750_ryuk

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General

Target

2024-06-27_584ee8b58b84938f456fbdb28142f750_ryuk
Size

2.0MB
MD5

584ee8b58b84938f456fbdb28142f750
SHA1

e3633d1e7199589aa1998bc56e9e3affe3ce2c79
SHA256

461f6e9cc5c14418ee61e7f2479dec8bce5a95f174e2b5342033286abb035e68
SHA512

4395d74577654ce35f4405c84db4e83c1819da3415978c768f15b7aff2dc3d4e4827d368d296adda9bb4e6366b297d5265cb4b3fb692835a09860c107cc2617c
SSDEEP

49152:c2AnkV4pirBKiyq6kWISQEBVRbgnHyNJslRG7y00ibS:c2AnxpirB1N2mnH5x00ibS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-06-27_584ee8b58b84938f456fbdb28142f750_ryuk

Files

2024-06-27_584ee8b58b84938f456fbdb28142f750_ryuk
.exe windows:6 windows x64 arch:x64

e61883ce31d0adb6d2c65481206203b6

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

Imports

iphlpapi

GetAdaptersAddresses

ws2_32

WSAGetLastError
WSACleanup
WSAStartup
getsockopt
ntohl
WSAStringToAddressA
gethostbyname
sendto
send
recvfrom
listen
setsockopt
ioctlsocket
bind
accept
__WSAFDIsSet
socket
shutdown
select
htons
connect
closesocket
gethostname
freeaddrinfo
getaddrinfo

advapi32

SystemFunction036
AddAccessAllowedAceEx
CreateWellKnownSid
InitializeAcl
InitializeSecurityDescriptor
SetSecurityDescriptorDacl
DeregisterEventSource
RegisterEventSourceW
ReportEventW
GetUserNameW

user32

MessageBoxW
GetDesktopWindow
GetUserObjectInformationW
GetProcessWindowStation
GetSystemMetrics

kernel32

GetConsoleCP
ReadConsoleW
GetConsoleMode
GetStringTypeW
SetStdHandle
FlushFileBuffers
CreateDirectoryW
GetFileAttributesExW
SetFilePointerEx
SetEndOfFile
GetExitCodeProcess
DeleteFileW
SetFileAttributesW
FindFirstFileExA
IsValidCodePage
GetOEMCP
GetCPInfo
GetEnvironmentStringsW
FreeEnvironmentStringsW
LCMapStringW
GetVersionExA
CreateFileA
CloseHandle
GetLastError
DeviceIoControl
GetVolumeInformationA
WaitForSingleObject
Sleep
CreateProcessA
MultiByteToWideChar
WideCharToMultiByte
FindClose
FindFirstFileA
FindNextFileA
CreateThread
WriteConsoleW
CreateDirectoryA
GetModuleFileNameA
GetStdHandle
GetFileType
GetCurrentThreadId
GetVersion
GetFileAttributesA
GetFileInformationByHandle
FindFirstFileW
FindNextFileW
QueryPerformanceCounter
GetCurrentProcessId
GetTickCount
GetVersionExW
FreeLibrary
GetProcAddress
GlobalMemoryStatus
LoadLibraryW
LocalFree
LocalAlloc
CreateMutexA
ReleaseMutex
FormatMessageA
GetEnvironmentVariableA
LoadLibraryA
LeaveCriticalSection
EnterCriticalSection
InitializeCriticalSection
DeleteCriticalSection
TlsSetValue
TlsGetValue
TlsAlloc
SystemTimeToFileTime
GetSystemTime
FileTimeToSystemTime
GetCurrentProcess
TlsFree
HeapFree
GetProcessHeap
HeapAlloc
GetModuleHandleA
ReadFile
WriteFile
GetFileSize
GetLocalTime
SetErrorMode
HeapReAlloc
SearchPathA
CreateSemaphoreA
OpenSemaphoreA
ReleaseSemaphore
CompareStringW
GetTimeFormatW
GetDateFormatW
GetACP
GetCommandLineW
GetCommandLineA
GetCurrentDirectoryW
GetCurrentDirectoryA
SetCurrentDirectoryA
SetEnvironmentVariableW
SetEnvironmentVariableA
UnlockFileEx
LockFileEx
GetTimeZoneInformation
GetFullPathNameA
GetFullPathNameW
ExitThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlPcToFileHeader
RaiseException
RtlUnwindEx
GetModuleFileNameW
SetLastError
InitializeCriticalSectionAndSpinCount
LoadLibraryExW
ExitProcess
GetModuleHandleExW
CreateFileW
GetDriveTypeW
PeekNamedPipe
SystemTimeToTzSpecificLocalTime
HeapSize

shell32

SHGetSpecialFolderPathA

ole32

CoUninitialize
CoInitializeEx
CoInitializeSecurity
CoSetProxyBlanket
CoCreateInstance

oleaut32

VariantClear
SysFreeString
SysAllocString

Sections

.text
Size: 1.1MB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 186KB - Virtual size: 186KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 138KB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 52KB - Virtual size: 51KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 116B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 688B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 580KB - Virtual size: 584KB

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

e61883ce31d0adb6d2c65481206203b6

Headers

DLL Characteristics

File Characteristics

Imports

iphlpapi

ws2_32

advapi32

user32

kernel32

shell32

ole32

oleaut32

Sections

.text Size: 1.1MB - Virtual size: 1.1MB

.rdata Size: 186KB - Virtual size: 186KB

.data Size: 138KB - Virtual size: 1.3MB

.pdata Size: 52KB - Virtual size: 51KB

_RDATA Size: 512B - Virtual size: 116B

.rsrc Size: 1024B - Virtual size: 688B

.reloc Size: 580KB - Virtual size: 584KB

.text
Size: 1.1MB - Virtual size: 1.1MB

.rdata
Size: 186KB - Virtual size: 186KB

.data
Size: 138KB - Virtual size: 1.3MB

.pdata
Size: 52KB - Virtual size: 51KB

_RDATA
Size: 512B - Virtual size: 116B

.rsrc
Size: 1024B - Virtual size: 688B

.reloc
Size: 580KB - Virtual size: 584KB