2024-04-11_28ef8fd3aa517233670cc00e312b00dd_ryuk

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General

Target

2024-04-11_28ef8fd3aa517233670cc00e312b00dd_ryuk
Size

111KB
MD5

28ef8fd3aa517233670cc00e312b00dd
SHA1

dbfb9a99b90e9dea9689b3bdf64f147af4de5cad
SHA256

bea5547d6e07d7d5154fb6912c3a7ff7c6e147b7adf4f4a662881b1f2b1216e1
SHA512

5789bbb208b2e2851cdc57cecc6730b117d2492b6470cf82c52a58092bd7300493353bd8646eb6fec934bf0631d1c1d6f894eeb8f6ecabc35b1b28afb7106793
SSDEEP

1536:zivc3U6Z3vJj5pQ+rgMoV61+z2+SSV5AFpOPGJ8Df+kQFCbsW0dv9dlILTWEQ1JL:zS03vJWL0162ryWFUPAkf8FlPqLTWD

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-04-11_28ef8fd3aa517233670cc00e312b00dd_ryuk

Files

2024-04-11_28ef8fd3aa517233670cc00e312b00dd_ryuk
.exe windows:6 windows x64 arch:x64

607a3c678914418028b2cbe8861f14e8

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

VirtualAlloc
HeapWalk
GetModuleHandleA
Sleep
GetProcessHeap
CloseHandle
CreateFileW
SetFilePointerEx
GetConsoleMode
GetConsoleOutputCP
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlPcToFileHeader
EncodePointer
RaiseException
RtlUnwindEx
GetLastError
SetLastError
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameW
GetCommandLineA
GetCommandLineW
HeapFree
HeapAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCPInfo
MultiByteToWideChar
WideCharToMultiByte
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetEnvironmentVariableW
SetStdHandle
GetFileType
GetStringTypeW
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
CompareStringW
LCMapStringW
HeapSize
HeapReAlloc
FlushFileBuffers
WriteConsoleW

winhttp

WinHttpReceiveResponse
WinHttpOpen
WinHttpOpenRequest
WinHttpCloseHandle
WinHttpSendRequest
WinHttpConnect
WinHttpQueryDataAvailable

Sections

.text
Size: 58KB - Virtual size: 58KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 7KB

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: 212B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.gehcont
Size: 512B - Virtual size: 12B

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

607a3c678914418028b2cbe8861f14e8

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

winhttp

Sections

.text Size: 58KB - Virtual size: 58KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 3KB - Virtual size: 7KB

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

.gfids Size: 512B - Virtual size: 212B

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

.gehcont Size: 512B - Virtual size: 12B

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

.text
Size: 58KB - Virtual size: 58KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 3KB - Virtual size: 7KB

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

.gfids
Size: 512B - Virtual size: 212B

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

.gehcont
Size: 512B - Virtual size: 12B

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