2024-02-17_f4910a14254ba5e6c0d0700823f8cbdd_ryuk

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General

Target

2024-02-17_f4910a14254ba5e6c0d0700823f8cbdd_ryuk
Size

205KB
MD5

f4910a14254ba5e6c0d0700823f8cbdd
SHA1

5148f993f8907f260e41b8196a158515fb05077a
SHA256

0e08cfe1ca0207e77140131b2e8c46d89078480542a69b02b1c7b601652c4b5e
SHA512

44a0fe637e98404ddee0a25934450ef2f1e36914a7d36943fb33bd3e53c6631f225b5ae0f07422a4d36016410c9b838aa24781dc832f8aeb603059a16be001dd
SSDEEP

3072:k1gI8hDs3m4dxAWe4m3VLAWlJcdjKs+2751xGMI4Ue+VG+:lIgorgomB9Jcaej+

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-02-17_f4910a14254ba5e6c0d0700823f8cbdd_ryuk

Files

2024-02-17_f4910a14254ba5e6c0d0700823f8cbdd_ryuk
.exe windows:5 windows x86 arch:x86

a2fcc8c60ffc0c77dd9c1e83b6b75d3e

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

iphlpapi

IcmpCloseHandle
IcmpCreateFile
GetAdaptersAddresses
IcmpSendEcho
GetIpNetTable

kernel32

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

advapi32

OpenProcessToken
OpenThreadToken
GetTokenInformation
AdjustTokenPrivileges
LookupAccountSidW
OpenSCManagerW
EnumServicesStatusW
LookupPrivilegeValueW
ImpersonateSelf
DeleteService

shell32

ShellExecuteW
CommandLineToArgvW

ws2_32

socket
setsockopt
sendto
WSAStartup
htonl
closesocket
bind
WSACleanup
htons
inet_addr

ntoskrnl.exe

RtlCharToInteger

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 29KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 72KB - Virtual size: 1.3MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 220B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.textqR?
Size: 512B - Virtual size: 6B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.l1
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.l1
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Hk3dFC
Size: 512B - Virtual size: 128B

.textqR?
Size: 512B - Virtual size: 6B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a2fcc8c60ffc0c77dd9c1e83b6b75d3e

Headers

DLL Characteristics

File Characteristics

Imports

iphlpapi

kernel32

advapi32

shell32

ws2_32

ntoskrnl.exe

Sections

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

.rdata Size: 29KB - Virtual size: 28KB

.data Size: 72KB - Virtual size: 1.3MB

.gfids Size: 512B - Virtual size: 220B

.textqR? Size: 512B - Virtual size: 6B

.l1 Size: 5KB - Virtual size: 5KB

.l1 Size: 5KB - Virtual size: 5KB

Hk3dFC Size: 512B - Virtual size: 128B

.textqR? Size: 512B - Virtual size: 6B

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

.rdata
Size: 29KB - Virtual size: 28KB

.data
Size: 72KB - Virtual size: 1.3MB

.gfids
Size: 512B - Virtual size: 220B

.textqR?
Size: 512B - Virtual size: 6B

.l1
Size: 5KB - Virtual size: 5KB

.l1
Size: 5KB - Virtual size: 5KB

Hk3dFC
Size: 512B - Virtual size: 128B

.textqR?
Size: 512B - Virtual size: 6B