2024-04-19_e2e7c102c7b9cbd977a476faaba543bb_ryuk

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General

Target

2024-04-19_e2e7c102c7b9cbd977a476faaba543bb_ryuk
Size

1.1MB
MD5

e2e7c102c7b9cbd977a476faaba543bb
SHA1

77bb00560173b1295a07c260aa3c4ff555945171
SHA256

5607c7c42e5b6e12e6826b0412042474b730f53979194a8cc18c7aa26e53e85f
SHA512

ca33408b3b202e4efc790798a1fa4a13ac0cdcd6908a82dd2d9b1bc15d0b96cffda2a059b867493ca979cce878044b83a8f06fe9ad3c2e1f1f704b248a2f9bf1
SSDEEP

24576:ySqpTCW5SjNaHBePRZpw/Wfmxxeh08g7VAhOTgi:ySqpTr5n6QC0H/T

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-19_e2e7c102c7b9cbd977a476faaba543bb_ryuk

Files

2024-04-19_e2e7c102c7b9cbd977a476faaba543bb_ryuk
.exe windows:5 windows x64 arch:x64

88bbdd4411cd8b386683f504dd91f66e

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

D:\projects\es\bin\x64\Release\icapsvcs.pdb

Imports

ipc-engine

IpcFlw_LibraryStop
IpcFlw_LibraryStart
IpcFlw_SetReader
IpcCnt_OpenDevice
IpcCnt_EnumCounters
IpcCnt_OpenCounter
IpcFlw_Map
IpcFlw_Open
IpcFlw_WriteDgram
IpcFlw_Close
IpcCnt_CloseDevice

secur32

DeleteSecurityContext
DecryptMessage
EncryptMessage
QueryContextAttributesA
CompleteAuthToken
AcceptSecurityContext
AcquireCredentialsHandleA
FreeCredentialsHandle
ApplyControlToken

crypt32

CertFreeCertificateContext
CertCreateSelfSignCertificate
CertStrToNameA

libxml2

xmlParseMemory
xmlNewTextWriterMemory
xmlBufferFree
xmlBufferCreate
xmlDocGetRootElement
xmlFreeTextWriter
xmlTextWriterSetIndent
xmlFreeDoc
xmlTextWriterEndElement
xmlStrcasecmp
xmlTextWriterWriteFormatAttribute
xmlTextWriterEndDocument
xmlTextWriterStartElement
xmlTextWriterStartDocument
xmlTextWriterWriteFormatElement
xmlTextWriterSetIndentString

kernel32

FlushFileBuffers
FindFirstFileExW
FindNextFileA
FindClose
FindFirstFileExA
FindNextFileW
GetConsoleCP
DeleteFileW
ReadConsoleW
GetConsoleMode
SetStdHandle
EnumSystemLocalesW
IsValidLocale
GetFullPathNameA
GetFullPathNameW
GetCurrentDirectoryW
GetCurrentThread
GetACP
GetStdHandle
GetModuleFileNameA
ExitProcess
GetCommandLineA
GetModuleHandleExW
CompareStringW
MultiByteToWideChar
CompareStringA
GetLastError
GetLocalTime
WideCharToMultiByte
GetSystemInfo
GetModuleFileNameW
GetVersionExA
RemoveVectoredExceptionHandler
GetCurrentProcess
WriteFile
SetErrorMode
GetTempPathW
CreateFileW
GetCurrentThreadId
GetFileAttributesExW
FileTimeToSystemTime
CloseHandle
AddVectoredExceptionHandler
GetCurrentProcessId
GlobalMemoryStatusEx
GetDateFormatW
VirtualQuery
GetTimeZoneInformation
GetTimeFormatA
GetUserDefaultLCID
GetDateFormatA
GetTimeFormatW
ReadFile
SetFilePointerEx
TryEnterCriticalSection
HeapCreate
HeapFree
IsValidCodePage
VirtualFree
VirtualAlloc
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
HeapAlloc
HeapDestroy
DeleteCriticalSection
SetThreadPriority
WaitForSingleObject
SuspendThread
ResumeThread
TerminateThread
SetEvent
SetCurrentDirectoryW
FormatMessageA
CreateEventA
GetCommandLineW
TerminateProcess
ResetEvent
ReleaseSemaphore
WaitForSingleObjectEx
CreateSemaphoreA
CreateDirectoryW
GetFileAttributesExA
SetLastError
GetFileAttributesW
GetFileAttributesA
CreateFileA
LocalFree
CreateDirectoryA
GetProcessHeap
HeapReAlloc
GetQueuedCompletionStatus
PostQueuedCompletionStatus
Sleep
CreateIoCompletionPort
FreeLibraryAndExitThread
ExitThread
CreateThread
MoveFileExW
SystemTimeToTzSpecificLocalTime
PeekNamedPipe
GetFileType
GetDriveTypeW
InterlockedFlushSList
InterlockedPushEntrySList
RtlUnwindEx
LoadLibraryExW
FreeLibrary
RaiseException
RtlPcToFileHeader
GetCPInfo
GetLocaleInfoW
LCMapStringW
GetTickCount
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
GetOEMCP
GetEnvironmentStringsW
SetUnhandledExceptionFilter
FreeEnvironmentStringsW
SetEnvironmentVariableA
SetEnvironmentVariableW
SetConsoleCtrlHandler
OutputDebugStringA
OutputDebugStringW
WriteConsoleW
HeapSize
SetEndOfFile
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
EnterCriticalSection
DecodePointer
EncodePointer
GetStringTypeW
FormatMessageW
InitializeSListHead
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetStartupInfoW
IsDebuggerPresent
IsProcessorFeaturePresent
CreateEventW
GetModuleHandleW
GetProcAddress
RtlCaptureContext

user32

CreateWindowExW
RegisterClassExW
DefWindowProcA
TranslateMessage
LoadIconW
SetForegroundWindow
GetCursorPos
LoadMenuA
PostMessageA
MessageBoxW
DispatchMessageA
GetMessageA
GetMenuItemID
GetSubMenu
GetMenuItemCount
TrackPopupMenu
PostQuitMessage
GetMenuItemInfoA
EnableMenuItem
CheckMenuItem
DestroyMenu
SetMenuDefaultItem

advapi32

CryptAcquireContextW
RegisterServiceCtrlHandlerExW
SetServiceStatus
CreateServiceW
CloseServiceHandle
OpenSCManagerW
ChangeServiceConfig2W
OpenSCManagerA
DeleteService
StartServiceCtrlDispatcherW
OpenServiceW
GetUserNameW
CryptDestroyKey
CryptGenKey
CryptReleaseContext

shell32

Shell_NotifyIconW
CommandLineToArgvW

ole32

CoInitializeSecurity
CoSetProxyBlanket
CoCreateInstance
CoInitializeEx
CoUninitialize

oleaut32

VariantInit
SysFreeString
SysAllocString
VariantClear
CreateErrorInfo
GetErrorInfo
VariantChangeType
SetErrorInfo

ws2_32

WSAIoctl
socket
setsockopt
WSAStartup
WSAStringToAddressW
WSAAddressToStringW
WSAGetLastError
closesocket
getsockopt
bind
WSASend
shutdown
listen
WSASocketA
WSARecv
WSAStringToAddressA

version

VerQueryValueW
GetFileVersionInfoW
GetFileVersionInfoSizeW

dbghelp

MiniDumpWriteDump

psapi

GetModuleBaseNameW

pcre

pcre_compile
pcre_malloc
pcre_exec
pcre_fullinfo
pcre_free
pcre_study

Sections

.text
Size: 756KB - Virtual size: 756KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 261KB - Virtual size: 261KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 10KB - Virtual size: 67KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 42KB - Virtual size: 42KB

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

.gfids
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

88bbdd4411cd8b386683f504dd91f66e

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

ipc-engine

secur32

crypt32

libxml2

kernel32

user32

advapi32

shell32

ole32

oleaut32

ws2_32

version

dbghelp

psapi

pcre

Sections

.text Size: 756KB - Virtual size: 756KB

.rdata Size: 261KB - Virtual size: 261KB

.data Size: 10KB - Virtual size: 67KB

.pdata Size: 42KB - Virtual size: 42KB

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

.gfids Size: 2KB - Virtual size: 2KB

.rsrc Size: 5KB - Virtual size: 5KB

.reloc Size: 5KB - Virtual size: 4KB

.text
Size: 756KB - Virtual size: 756KB

.rdata
Size: 261KB - Virtual size: 261KB

.data
Size: 10KB - Virtual size: 67KB

.pdata
Size: 42KB - Virtual size: 42KB

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

.gfids
Size: 2KB - Virtual size: 2KB

.rsrc
Size: 5KB - Virtual size: 5KB

.reloc
Size: 5KB - Virtual size: 4KB