2024-05-15_dfd6177cd181f2c8cd9b2bd088a192ba_ryuk

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General

Target

2024-05-15_dfd6177cd181f2c8cd9b2bd088a192ba_ryuk
Size

363KB
MD5

dfd6177cd181f2c8cd9b2bd088a192ba
SHA1

67c93b7f0dbaa2e93b89b297095efa64a84cb448
SHA256

38f0750cbe49b30db326b53b9f752b66c4f5e23cc3bbbd6d1844e2878a19b9a7
SHA512

a2acf72fae1f091729a630a43cc937bf79fd9635caa57538ec930fc091f50b75a5ba15a9060c5e390bfa61d645c4e3e25aa0060ced26875a9bc2a8fb25a35e9e
SSDEEP

6144:w2CpH78AcyKHaXopnaS23kZcL9QhF4nW6cM2X29nAF4imK4NaHRrmW/:w2WbcyguopC30cL9Q74BcM8GndaxrmW/

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-05-15_dfd6177cd181f2c8cd9b2bd088a192ba_ryuk

Files

2024-05-15_dfd6177cd181f2c8cd9b2bd088a192ba_ryuk
.exe windows:5 windows x64 arch:x64

fd44a49b94d936b09e0dd46fe28ff6e0

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

GetLastError
lstrcatW
GlobalAlloc
lstrcpyA
GlobalFree
CloseHandle
CreateThread
GlobalLock
lstrcpyW
CreateFileMappingW
MapViewOfFile
GetTickCount
GlobalUnlock
AreFileApisANSI
GetConsoleAliasExesLengthW
GetLogicalDrives
GetOEMCP
GetSystemDefaultLCID
HeapFree
GetCommandLineW
GetCurrentProcess
GetConsoleOutputCP
GetSystemDefaultUILanguage
TerminateProcess
GetUserDefaultLangID
GetSystemTimes
GetConsoleCP
GetThreadLocale
GetUserDefaultUILanguage
CreateMutexW
GetLargePageMinimum
lstrlenA
GetCurrentThreadId
UnregisterApplicationRecoveryCallback
IsSystemResumeAutomatic
GetSystemDefaultLangID
GetACP
GetVersion
Sleep
GetTickCount64
GetMaximumProcessorGroupCount
GetThreadUILanguage
GetUserDefaultLCID
SetEvent
GetCurrentThread
TlsAlloc
GetSystemDEPPolicy
SetFileAttributesW
CreateThreadpoolCleanupGroup
HeapAlloc
SwitchToThread
IsThreadAFiber
GetCurrentProcessorNumber
GetErrorMode
UnregisterApplicationRestart
SetFileApisToOEM
WTSGetActiveConsoleSessionId
ExitProcess
GetCurrentProcessId
GetProcessHeap
GetConsoleWindow
ConvertFiberToThread
SetFileApisToANSI
GetEnvironmentStringsW
GetConsoleAliasExesLengthA
GetDriveTypeW
IsDebuggerPresent
CreateTimerQueue
SizeofResource
LockResource
LoadResource
FindResourceW
GetModuleHandleW
WriteConsoleW
SetFilePointerEx
ReadConsoleW
RaiseException
SetEndOfFile
GetConsoleMode
FlushFileBuffers
HeapReAlloc
ExitThread
UnmapViewOfFile
CreateFileW
WaitForSingleObject
FindClose
SetFilePointer
SetErrorMode
VirtualAlloc
WriteFile
FindNextFileW
HeapSize
GetStringTypeW
SetStdHandle
LCMapStringW
FreeEnvironmentStringsW
GetCommandLineA
GetCPInfo
IsValidCodePage
FindFirstFileExW
VirtualFree
FindFirstFileW
ReadFile
GetFileType
GetModuleHandleExW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsProcessorFeaturePresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead
GetStartupInfoW
RtlUnwindEx
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
GetStdHandle
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte

user32

CloseClipboard
GetForegroundWindow
wsprintfW
CharUpperW
GetDesktopWindow
GetFocus

advapi32

SetServiceStatus
RegDisablePredefinedCacheEx
CryptAcquireContextW
CryptEncrypt

shell32

SHGetSpecialFolderPathW

mpr

WNetOpenEnumW
WNetEnumResourceW
WNetCloseEnum

shlwapi

StrStrW
PathFindFileNameW

crypt32

CryptStringToBinaryA
CryptDecodeObjectEx
CryptImportPublicKeyInfo

Sections

.text
Size: 213KB - Virtual size: 212KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gfids
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 97KB - Virtual size: 96KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fd44a49b94d936b09e0dd46fe28ff6e0

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

advapi32

shell32

mpr

shlwapi

crypt32

Sections

.text Size: 213KB - Virtual size: 212KB

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

.data Size: 3KB - Virtual size: 15KB

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

.gfids Size: 512B - Virtual size: 160B

.rsrc Size: 97KB - Virtual size: 96KB

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

.text
Size: 213KB - Virtual size: 212KB

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

.data
Size: 3KB - Virtual size: 15KB

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

.gfids
Size: 512B - Virtual size: 160B

.rsrc
Size: 97KB - Virtual size: 96KB

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