2023-07-14_248b515bb91dad7d05c00fd17903ad71_ryuk

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General

Target

2023-07-14_248b515bb91dad7d05c00fd17903ad71_ryuk
Size

168KB
MD5

248b515bb91dad7d05c00fd17903ad71
SHA1

6ffb2cda34635e799f26b187456ee8bbef3547e4
SHA256

842c1fb392f85183f7f744a8007716719411fc5313442506111b075d5e4a95d0
SHA512

10f67b0a87d3c42f8537d6e2de7b6a493a6c6c08e357d9032eccb8212b839fbdd9241fd012ecd01e549f2cfa53a1098ff63a0bceb3ff9fe5f0a4bd65f9985a72
SSDEEP

3072:uvI829P8/Pw5LmWeyli3wjZfnU4MB86hoVKdXb5:OT2W/Pw5qjylH1/W

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2023-07-14_248b515bb91dad7d05c00fd17903ad71_ryuk

Files

2023-07-14_248b515bb91dad7d05c00fd17903ad71_ryuk
.exe windows x64

3d84250cdbe08a9921b4fb008881914b

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

OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
GetCurrentThread
LoadLibraryA
GlobalAlloc
DeleteFileW
Process32FirstW
GetModuleHandleA
CloseHandle
HeapAlloc
GetWindowsDirectoryW
GetProcAddress
VirtualAllocEx
LocalFree
GetProcessHeap
FreeLibrary
CreateRemoteThread
VirtualFreeEx
GetVersionExW
CreateFileW
GetModuleFileNameW
GetCurrentProcess
GetCommandLineW
SetLastError
HeapFree
GlobalFree
WriteConsoleW
SetFilePointerEx
HeapReAlloc
HeapSize
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RaiseException
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
LoadLibraryExW
EnterCriticalSection
LeaveCriticalSection
DeleteCriticalSection
ExitProcess
GetModuleHandleExW
GetStdHandle
WriteFile
GetModuleFileNameA
MultiByteToWideChar
WideCharToMultiByte
GetACP
LCMapStringW
GetFileType
FindClose
FindFirstFileExA
FindNextFileA
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
GetStringTypeW
FlushFileBuffers
GetConsoleCP
GetConsoleMode
WriteProcessMemory

advapi32

SystemFunction036
LookupPrivilegeValueW
AdjustTokenPrivileges
ImpersonateSelf
OpenProcessToken
OpenThreadToken
LookupAccountSidW
GetTokenInformation

shell32

CommandLineToArgvW
ShellExecuteW
ShellExecuteA

Sections

.text
Size: 88KB - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 43KB - Virtual size: 43KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 28KB - Virtual size: 48KB

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: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

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

3d84250cdbe08a9921b4fb008881914b

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

Sections

.text Size: 88KB - Virtual size: 88KB

.rdata Size: 43KB - Virtual size: 43KB

.data Size: 28KB - Virtual size: 48KB

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

.gfids Size: 512B - Virtual size: 168B

.rsrc Size: 512B - Virtual size: 480B

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

.text
Size: 88KB - Virtual size: 88KB

.rdata
Size: 43KB - Virtual size: 43KB

.data
Size: 28KB - Virtual size: 48KB

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

.gfids
Size: 512B - Virtual size: 168B

.rsrc
Size: 512B - Virtual size: 480B

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