2024-08-17_90da296d9ce548d89935575040eb5f49_ryuk

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General

Target

2024-08-17_90da296d9ce548d89935575040eb5f49_ryuk
Size

3.3MB
MD5

90da296d9ce548d89935575040eb5f49
SHA1

6967019c4c8c47f05f303963076e4037eeea1df1
SHA256

9bb9edbf314788d3c3f07c08f8f313f48226b977bbb2529b5d08f43ac2785ac9
SHA512

fae89b0ed861a1433770cf8f97ad721a362bb6a0f4e36f429c3876a1312d0f1c1f34a1af744ab0787c70675999530f8e559c24c393a3c25dddeb72b7bfa6351f
SSDEEP

49152:e7eCuBdk9XqZGS5uXUgyYQ6TwqQcKt9rzkh9kiIV+TPt76xJCJuIxugUu:Q2B91Qe29A+TPtmf8z

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-08-17_90da296d9ce548d89935575040eb5f49_ryuk

Files

2024-08-17_90da296d9ce548d89935575040eb5f49_ryuk
.exe windows:6 windows x64 arch:x64

82c4d47bfd3c981cb55ef3bbf8051624

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

Imports

kernel32

AcquireSRWLockExclusive
AcquireSRWLockShared
AreFileApisANSI
CheckRemoteDebuggerPresent
CloseHandle
CompareStringEx
CompareStringW
CreateEventW
CreateFileA
CreateFileMappingA
CreateFileMappingW
CreateFileW
CreateProcessW
CreateThread
CreateToolhelp32Snapshot
DecodePointer
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
ExitThread
ExpandEnvironmentStringsA
FileTimeToSystemTime
FindClose
FindFirstFileExW
FindFirstFileW
FindNextFileW
FlsAlloc
FlsFree
FlsGetValue
FlsSetValue
FlushFileBuffers
FlushInstructionCache
FormatMessageA
FreeEnvironmentStringsW
FreeLibrary
FreeLibraryAndExitThread
GetACP
GetCPInfo
GetCommState
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentDirectoryW
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetDateFormatW
GetDriveTypeW
GetEnvironmentStringsW
GetExitCodeProcess
GetExitCodeThread
GetFileAttributesExW
GetFileInformationByHandle
GetFileInformationByHandleEx
GetFileSize
GetFileSizeEx
GetFileType
GetFullPathNameW
GetLastError
GetLocaleInfoA
GetLocaleInfoEx
GetLocaleInfoW
GetModuleFileNameA
GetModuleFileNameW
GetModuleHandleA
GetModuleHandleExW
GetModuleHandleW
GetNativeSystemInfo
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemDirectoryA
GetSystemFirmwareTable
GetSystemInfo
GetSystemTimeAsFileTime
GetThreadContext
GetTickCount
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GlobalAlloc
GlobalFree
GlobalLock
GlobalUnlock
HeapAlloc
HeapCreate
HeapFree
HeapReAlloc
HeapSize
InitializeConditionVariable
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
InitializeSRWLock
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringEx
LCMapStringW
LeaveCriticalSection
LoadLibraryA
LoadLibraryExW
LocalAlloc
LocalFree
MapViewOfFile
MultiByteToWideChar
OpenThread
PeekNamedPipe
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ReleaseSRWLockShared
ResetEvent
ResumeThread
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetCommState
SetCommTimeouts
SetConsoleTitleA
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFileInformationByHandle
SetFilePointerEx
SetLastError
SetStdHandle
SetThreadContext
SetUnhandledExceptionFilter
Sleep
SleepConditionVariableSRW
SleepEx
SuspendThread
SwitchToThread
SystemTimeToTzSpecificLocalTime
TerminateProcess
Thread32First
Thread32Next
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
TryAcquireSRWLockExclusive
UnhandledExceptionFilter
UnmapViewOfFile
VerSetConditionMask
VerifyVersionInfoA
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WakeConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

user32

AdjustWindowRectEx
BringWindowToTop
ClientToScreen
CloseClipboard
CreateWindowExW
DefWindowProcW
DestroyWindow
DispatchMessageW
EmptyClipboard
EnumDisplayDevicesA
EnumDisplayMonitors
GetAsyncKeyState
GetCapture
GetClientRect
GetClipboardData
GetCursorPos
GetDC
GetDesktopWindow
GetForegroundWindow
GetKeyState
GetKeyboardLayout
GetMessageExtraInfo
GetMonitorInfoA
GetMonitorInfoW
GetWindowLongW
GetWindowRect
IsChild
IsIconic
IsWindowUnicode
LoadCursorW
MessageBoxA
MonitorFromWindow
OpenClipboard
PeekMessageW
PostQuitMessage
RegisterClassExW
ReleaseCapture
ReleaseDC
ScreenToClient
SetCapture
SetClipboardData
SetCursor
SetCursorPos
SetFocus
SetForegroundWindow
SetLayeredWindowAttributes
SetProcessDPIAware
SetWindowLongPtrW
SetWindowLongW
SetWindowPos
SetWindowTextW
ShowWindow
TrackMouseEvent
TranslateMessage
UnregisterClassW
UpdateWindow
WindowFromPoint

shell32

ShellExecuteW

gdi32

GetDeviceCaps

advapi32

CryptAcquireContextA
CryptCreateHash
CryptDestroyHash
CryptDestroyKey
CryptEncrypt
CryptGenRandom
CryptGetHashParam
CryptHashData
CryptImportKey
CryptReleaseContext
GetTokenInformation
OpenProcessToken

api-ms-win-shcore-scaling-l1-1-1

SetProcessDpiAwareness

vmm

VMMDLL_Close
VMMDLL_CloseAll
VMMDLL_ConfigSet
VMMDLL_Initialize
VMMDLL_InitializePlugins
VMMDLL_Map_GetEATU
VMMDLL_Map_GetModuleFromNameU
VMMDLL_Map_GetPhysMem
VMMDLL_MemFree
VMMDLL_MemReadEx
VMMDLL_MemWrite
VMMDLL_PidGetFromName
VMMDLL_PidList
VMMDLL_ProcessGetInformation
VMMDLL_ProcessGetModuleBaseU
VMMDLL_Scatter_Clear
VMMDLL_Scatter_CloseHandle
VMMDLL_Scatter_Execute
VMMDLL_Scatter_ExecuteRead
VMMDLL_Scatter_Initialize
VMMDLL_Scatter_PrepareEx
VMMDLL_Scatter_PrepareWrite
VMMDLL_VfsListU
VMMDLL_VfsReadW

libsodium

crypto_box_keypair
crypto_box_seal
crypto_box_seal_open

ws2_32

WSACleanup
WSAGetLastError
WSAIoctl
WSASetLastError
WSASocketW
WSAStartup
__WSAFDIsSet
accept
bind
closesocket
connect
freeaddrinfo
getaddrinfo
gethostname
getnameinfo
getpeername
getsockname
getsockopt
htonl
htons
inet_addr
ioctlsocket
listen
ntohl
ntohs
recv
recvfrom
select
send
sendto
setsockopt
shutdown
socket

setupapi

SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInfo
SetupDiGetClassDevsA
SetupDiGetDeviceRegistryPropertyA

d3dcompiler_43

D3DCompile

imm32

ImmGetContext
ImmReleaseContext
ImmSetCandidateWindow
ImmSetCompositionWindow

d3d11

D3D11CreateDeviceAndSwapChain

crypt32

CertAddCertificateContextToStore
CertCloseStore
CertCreateCertificateChainEngine
CertEnumCertificatesInStore
CertFindCertificateInStore
CertFreeCertificateChain
CertFreeCertificateChainEngine
CertFreeCertificateContext
CertGetCertificateChain
CertGetNameStringA
CertOpenStore
CryptQueryObject
CryptStringToBinaryA

wldap32

ord301
ord45
ord22
ord32
ord26
ord30
ord35
ord143
ord200
ord41
ord33
ord27
ord50
ord211
ord60
ord217
ord46
ord79

normaliz

IdnToAscii

Sections

.text
Size: 2.3MB - Virtual size: 2.3MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 798KB - Virtual size: 798KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 41KB - Virtual size: 90KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 93KB - Virtual size: 92KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.0dev
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gxfg
Size: 13KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.retplne
Size: 512B - Virtual size: 108B

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 424B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

82c4d47bfd3c981cb55ef3bbf8051624

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

gdi32

advapi32

api-ms-win-shcore-scaling-l1-1-1

vmm

libsodium

ws2_32

setupapi

d3dcompiler_43

imm32

d3d11

crypt32

wldap32

normaliz

Sections

.text Size: 2.3MB - Virtual size: 2.3MB

.rdata Size: 798KB - Virtual size: 798KB

.data Size: 41KB - Virtual size: 90KB

.pdata Size: 93KB - Virtual size: 92KB

.00cfg Size: 512B - Virtual size: 56B

.0dev Size: 2KB - Virtual size: 1KB

.gxfg Size: 13KB - Virtual size: 12KB

.retplne Size: 512B - Virtual size: 108B

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

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 424B

.reloc Size: 10KB - Virtual size: 10KB

.text
Size: 2.3MB - Virtual size: 2.3MB

.rdata
Size: 798KB - Virtual size: 798KB

.data
Size: 41KB - Virtual size: 90KB

.pdata
Size: 93KB - Virtual size: 92KB

.00cfg
Size: 512B - Virtual size: 56B

.0dev
Size: 2KB - Virtual size: 1KB

.gxfg
Size: 13KB - Virtual size: 12KB

.retplne
Size: 512B - Virtual size: 108B

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

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 424B

.reloc
Size: 10KB - Virtual size: 10KB