2023-04-24_a2e7f997bbde15a9ec78f23ec9ef5e5e_ryuk

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General

Target

2023-04-24_a2e7f997bbde15a9ec78f23ec9ef5e5e_ryuk
Size

168KB
MD5

a2e7f997bbde15a9ec78f23ec9ef5e5e
SHA1

b806a7aba206a4488ea48dfe4525761743ade33e
SHA256

cb747a144aafd1a0d319581285a4e1ac816cc695e4d42d1cff6b7f4d6274a328
SHA512

54c9e317a742543023fc653c7be9a6593efbe172446865074fef57576181610965ae1b4697441754559b1a278379c858af7d574eca36cb96f14e78e5c56177e4
SSDEEP

1536:LMF3yMOaDcnicDtJk7TdUPLkjchkyXRT9gCVbIPH3yLMah104EQXsVTsW+t8cd7M:40icakojNyXRTiCVbIv+pEzMrcjqt

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2023-04-24_a2e7f997bbde15a9ec78f23ec9ef5e5e_ryuk

Files

2023-04-24_a2e7f997bbde15a9ec78f23ec9ef5e5e_ryuk
.exe windows x86

01d4b8b92a8773177c920859f8f839a5

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

GetIpNetTable

kernel32

Sleep
SetFilePointer
CloseHandle
LoadLibraryA
SetLastError
GetTempPathW
CreateFileW
GetVersionExW
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
GetLastError
GetCurrentThread
CreateThread
ExitProcess
GetCurrentProcess
GetProcessHeap
HeapFree
HeapAlloc
VirtualFree
VirtualAlloc
GlobalAlloc
GetProcAddress
FreeLibrary
WriteConsoleW
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
GetModuleFileNameW
MultiByteToWideChar
WideCharToMultiByte
GetACP
GetStringTypeW
LCMapStringW
GetFileType
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetOEMCP
GetCPInfo
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
SetStdHandle
FlushFileBuffers
GetConsoleCP
GetConsoleMode
HeapSize
HeapReAlloc
SetFilePointerEx
DecodePointer

advapi32

OpenSCManagerW
EnumServicesStatusW
LookupPrivilegeValueW
AdjustTokenPrivileges
OpenThreadToken
ImpersonateSelf

shell32

ShellExecuteW

Sections

.text
Size: 72KB - Virtual size: 72KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 65KB - Virtual size: 2.7MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.gfids
Size: 512B - Virtual size: 172B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

01d4b8b92a8773177c920859f8f839a5

Headers

DLL Characteristics

File Characteristics

Imports

iphlpapi

kernel32

advapi32

shell32

Sections

.text Size: 72KB - Virtual size: 72KB

.rdata Size: 26KB - Virtual size: 26KB

.data Size: 65KB - Virtual size: 2.7MB

.gfids Size: 512B - Virtual size: 172B

.text
Size: 72KB - Virtual size: 72KB

.rdata
Size: 26KB - Virtual size: 26KB

.data
Size: 65KB - Virtual size: 2.7MB

.gfids
Size: 512B - Virtual size: 172B