2024-04-21_830098547ead21ada852102002fa7918_ryuk

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General

Target

2024-04-21_830098547ead21ada852102002fa7918_ryuk
Size

1.0MB
MD5

830098547ead21ada852102002fa7918
SHA1

882410f48632fa0b8638a65808b64cf5cd94c93c
SHA256

7df14fa9deab036e6baa5059a1329a1471d37f0bf8e67ee9ce491001f07874da
SHA512

d4bed34b3a937339883d6faa6a248e9797cf0d35caca5133c2b0c6823d4309ff0b126783eacf6cd4f763228236ac1512a68fb427a00363acd61a9890082855b6
SSDEEP

24576:bv46agTjA09bGeEnt/sBlDqgZQd6XKtiMJYiPU:k6/T5SeW/snji6attJM

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-21_830098547ead21ada852102002fa7918_ryuk

Files

2024-04-21_830098547ead21ada852102002fa7918_ryuk
.exe windows:5 windows x64 arch:x64

04d4bb28aff7ca41d7ab5ffbe778d7b2

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

ie_to_edge_stub.exe.pdb

Imports

advapi32

RegCloseKey
RegCreateKeyExW
RegGetValueW
RegOpenKeyExW
RegQueryValueExW
RegSetValueExW

oleaut32

SysFreeString
SysStringLen

shell32

CommandLineToArgvW
SHGetKnownFolderPath
SHGetSpecialFolderPathW
ShellExecuteW

shlwapi

PathCombineW
PathFileExistsW
StrChrW

user32

CharLowerBuffW

wininet

DeleteUrlCacheContainerW
GetUrlCacheEntryBinaryBlob
UrlCacheCreateContainer

kernel32

AcquireSRWLockExclusive
CloseHandle
CompareStringW
CreateDirectoryW
CreateEventW
CreateFileW
CreateProcessW
DebugBreak
DeleteCriticalSection
EncodePointer
EnterCriticalSection
EnumSystemLocalesW
ExitProcess
FindClose
FindFirstFileExW
FindNextFileW
FlushFileBuffers
FreeEnvironmentStringsW
FreeLibrary
GetACP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetConsoleMode
GetConsoleOutputCP
GetCurrentProcess
GetCurrentProcessId
GetCurrentThreadId
GetDateFormatW
GetEnvironmentStringsW
GetExitCodeProcess
GetFileSizeEx
GetFileType
GetLastError
GetLocalTime
GetLocaleInfoW
GetModuleFileNameW
GetModuleHandleExW
GetModuleHandleW
GetOEMCP
GetProcAddress
GetProcessHeap
GetStartupInfoW
GetStdHandle
GetStringTypeW
GetSystemTimeAsFileTime
GetTimeFormatW
GetTimeZoneInformation
GetUserDefaultLCID
GetVersionExW
HeapAlloc
HeapFree
HeapReAlloc
HeapSize
InitializeCriticalSectionAndSpinCount
InitializeCriticalSectionEx
InitializeSListHead
IsDebuggerPresent
IsProcessorFeaturePresent
IsValidCodePage
IsValidLocale
LCMapStringW
LeaveCriticalSection
LoadLibraryExW
LocalFree
MultiByteToWideChar
OutputDebugStringW
QueryPerformanceCounter
RaiseException
ReadConsoleW
ReadFile
ReleaseSRWLockExclusive
ResetEvent
RtlCaptureContext
RtlLookupFunctionEntry
RtlPcToFileHeader
RtlUnwind
RtlUnwindEx
RtlVirtualUnwind
SetEndOfFile
SetEnvironmentVariableW
SetEvent
SetFilePointerEx
SetLastError
SetStdHandle
SetUnhandledExceptionFilter
SleepConditionVariableSRW
TerminateProcess
TlsAlloc
TlsFree
TlsGetValue
TlsSetValue
UnhandledExceptionFilter
WaitForSingleObject
WaitForSingleObjectEx
WakeAllConditionVariable
WideCharToMultiByte
WriteConsoleW
WriteFile

ole32

CoInitializeEx
CoTaskMemFree

urlmon

CreateUri

Sections

.text
Size: 334KB - Virtual size: 333KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 93KB - Virtual size: 93KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 7KB - Virtual size: 18KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.00cfg
Size: 512B - Virtual size: 40B

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

_RDATA
Size: 512B - Virtual size: 244B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 568KB - Virtual size: 572KB

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

04d4bb28aff7ca41d7ab5ffbe778d7b2

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

advapi32

oleaut32

shell32

shlwapi

user32

wininet

kernel32

ole32

urlmon

Sections

.text Size: 334KB - Virtual size: 333KB

.rdata Size: 93KB - Virtual size: 93KB

.data Size: 7KB - Virtual size: 18KB

.pdata Size: 16KB - Virtual size: 15KB

.00cfg Size: 512B - Virtual size: 40B

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

_RDATA Size: 512B - Virtual size: 244B

.rsrc Size: 3KB - Virtual size: 3KB

.reloc Size: 568KB - Virtual size: 572KB

.text
Size: 334KB - Virtual size: 333KB

.rdata
Size: 93KB - Virtual size: 93KB

.data
Size: 7KB - Virtual size: 18KB

.pdata
Size: 16KB - Virtual size: 15KB

.00cfg
Size: 512B - Virtual size: 40B

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

_RDATA
Size: 512B - Virtual size: 244B

.rsrc
Size: 3KB - Virtual size: 3KB

.reloc
Size: 568KB - Virtual size: 572KB