2024-02-01_4b856a1955455820d78ff42a58a77cd8_ryuk

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General

Target

2024-02-01_4b856a1955455820d78ff42a58a77cd8_ryuk
Size

212KB
MD5

4b856a1955455820d78ff42a58a77cd8
SHA1

738ac3a6503620634fe841aac9a3bdff44efe8db
SHA256

2d90f3ce2c9cb5e3cb5365e5f618e96c80a08133839ff6b29fc4808fe70ddf41
SHA512

d017e766a3ca6f4ef71f137c3b8acd9e4b764ab47c3b5436113c08f1df0e33604b4f2954555edbcd1f3c38d64795a007a627656178c5827661773c45b162ab6f
SSDEEP

3072:skoemwJEECCvcVbQQFrUoR19V6To0Hqs3WvSp:ZEECCElQk3wqFu

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
2024-02-01_4b856a1955455820d78ff42a58a77cd8_ryuk

Files

2024-02-01_4b856a1955455820d78ff42a58a77cd8_ryuk
.exe windows:5 windows x64 arch:x64

7392bf63e0480c44b4cad34b59be5fdc

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

GetModuleHandleA
OpenProcess
CreateToolhelp32Snapshot
Sleep
GetLastError
Process32NextW
GetCurrentThread
LoadLibraryA
GlobalAlloc
DeleteFileW
Process32FirstW
GetVersionExW
CloseHandle
CreateThread
HeapAlloc
GetWindowsDirectoryW
GetProcAddress
VirtualAllocEx
LocalFree
GetProcessHeap
FreeLibrary
CreateRemoteThread
VirtualFreeEx
CreateFileW
GetModuleFileNameW
VirtualAlloc
GetCurrentProcess
GetCommandLineW
VirtualFree
SetLastError
HeapFree
GlobalFree
WriteConsoleW
SetFilePointerEx
HeapReAlloc
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
MultiByteToWideChar
WideCharToMultiByte
GetACP
LCMapStringW
GetStringTypeW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
WriteProcessMemory

advapi32

SystemFunction036
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenSCManagerW
ImpersonateSelf
OpenProcessToken
EnumServicesStatusW
OpenThreadToken
LookupAccountSidW
GetTokenInformation

shell32

ShellExecuteW
CommandLineToArgvW

Sections

.text
Size: 90KB - Virtual size: 90KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 41KB - Virtual size: 41KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 69KB - Virtual size: 3.4MB

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

7392bf63e0480c44b4cad34b59be5fdc

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

Sections

.text Size: 90KB - Virtual size: 90KB

.rdata Size: 41KB - Virtual size: 41KB

.data Size: 69KB - Virtual size: 3.4MB

.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: 90KB - Virtual size: 90KB

.rdata
Size: 41KB - Virtual size: 41KB

.data
Size: 69KB - Virtual size: 3.4MB

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

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

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

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