Report - putty.exe

Malicious Library UPX PE File PE32 OS Processor Check
ScreenShot
Created 2023.11.07 07:51 Machine s1_win7_x6401
Filename putty.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
9
Behavior Score
0.8
ZERO API file : malware
VT API (file)
md5 cf3bc964f791ee22366b3277ee099329
sha256 668f20177dfc8cf5f78710624464f58054847c27bbeb4ae46680691f1ec2e3d9
ssdeep 3072:csDWKvImD0Mr2m7RpXkfL2SHcozgBtNnfnB4gE35idYl/dv59udtRH:N9I95OpXkfL2lozwNfdM+6/dvre
imphash 1c8010f1f4f56ad775e1487631ff77b0
impfuzzy 48:ar2x4tJgqr97w2TwlpVUPOqs+fcW3GA9tRKrvlZmC:ar2GgqnwvVOfs+fcUGA9tRKv/9
  Network IP location

Signature (2cnts)

Level Description
notice Allocates read-write-execute memory (usually to unpack itself)
notice The binary likely contains encrypted or compressed data indicative of a packer

Rules (5cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x401000 GetSystemDefaultLangID
 0x401004 FindFirstFileW
 0x401008 WriteConsoleInputW
 0x40100c lstrlenA
 0x401010 GetConsoleAliasExesA
 0x401014 OpenJobObjectA
 0x401018 ReadConsoleA
 0x40101c GetConsoleAliasA
 0x401020 WaitNamedPipeA
 0x401024 SetConsoleScreenBufferSize
 0x401028 WriteConsoleInputA
 0x40102c AddConsoleAliasW
 0x401030 MoveFileWithProgressA
 0x401034 ConvertFiberToThread
 0x401038 ExpandEnvironmentStringsA
 0x40103c GetPrivateProfileStringW
 0x401040 GetWindowsDirectoryA
 0x401044 GetCompressedFileSizeW
 0x401048 CreateActCtxW
 0x40104c GetEnvironmentStrings
 0x401050 GetPrivateProfileIntA
 0x401054 LoadLibraryW
 0x401058 SetCommConfig
 0x40105c FatalAppExitW
 0x401060 _hread
 0x401064 GetSystemPowerStatus
 0x401068 HeapDestroy
 0x40106c GetFileAttributesW
 0x401070 ReplaceFileW
 0x401074 IsDBCSLeadByte
 0x401078 GetTimeZoneInformation
 0x40107c FindNextVolumeMountPointW
 0x401080 VirtualUnlock
 0x401084 GetShortPathNameA
 0x401088 EnumSystemLocalesA
 0x40108c GetConsoleOutputCP
 0x401090 GetConsoleAliasesW
 0x401094 GetStartupInfoA
 0x401098 GetLastError
 0x40109c SetLastError
 0x4010a0 GetProcAddress
 0x4010a4 WriteProfileSectionA
 0x4010a8 RemoveDirectoryA
 0x4010ac CopyFileA
 0x4010b0 GlobalGetAtomNameA
 0x4010b4 SetFileApisToOEM
 0x4010b8 LocalAlloc
 0x4010bc SetConsoleCtrlHandler
 0x4010c0 CreateEventW
 0x4010c4 GetTapeParameters
 0x4010c8 FoldStringA
 0x4010cc GlobalFindAtomW
 0x4010d0 GetModuleHandleA
 0x4010d4 SetLocaleInfoW
 0x4010d8 FindNextFileW
 0x4010dc GetStringTypeW
 0x4010e0 VirtualProtect
 0x4010e4 GetCurrentDirectoryA
 0x4010e8 CompareStringA
 0x4010ec OpenSemaphoreW
 0x4010f0 ReadConsoleInputW
 0x4010f4 FindFirstVolumeW
 0x4010f8 GetCurrentProcessId
 0x4010fc MoveFileWithProgressW
 0x401100 ReadConsoleOutputCharacterW
 0x401104 EnumSystemLocalesW
 0x401108 DeleteFileA
 0x40110c ExpandEnvironmentStringsW
 0x401110 CreateFileW
 0x401114 WriteConsoleW
 0x401118 InterlockedIncrement
 0x40111c InterlockedDecrement
 0x401120 EncodePointer
 0x401124 DecodePointer
 0x401128 Sleep
 0x40112c InitializeCriticalSection
 0x401130 DeleteCriticalSection
 0x401134 EnterCriticalSection
 0x401138 LeaveCriticalSection
 0x40113c HeapFree
 0x401140 GetCommandLineW
 0x401144 HeapSetInformation
 0x401148 GetStartupInfoW
 0x40114c RaiseException
 0x401150 RtlUnwind
 0x401154 HeapAlloc
 0x401158 WideCharToMultiByte
 0x40115c LCMapStringW
 0x401160 MultiByteToWideChar
 0x401164 GetCPInfo
 0x401168 IsProcessorFeaturePresent
 0x40116c HeapCreate
 0x401170 HeapSize
 0x401174 GetModuleHandleW
 0x401178 ExitProcess
 0x40117c UnhandledExceptionFilter
 0x401180 SetUnhandledExceptionFilter
 0x401184 IsDebuggerPresent
 0x401188 TerminateProcess
 0x40118c GetCurrentProcess
 0x401190 SetFilePointer
 0x401194 WriteFile
 0x401198 GetStdHandle
 0x40119c GetModuleFileNameW
 0x4011a0 FreeEnvironmentStringsW
 0x4011a4 GetEnvironmentStringsW
 0x4011a8 SetHandleCount
 0x4011ac InitializeCriticalSectionAndSpinCount
 0x4011b0 GetFileType
 0x4011b4 TlsAlloc
 0x4011b8 TlsGetValue
 0x4011bc TlsSetValue
 0x4011c0 TlsFree
 0x4011c4 GetCurrentThreadId
 0x4011c8 QueryPerformanceCounter
 0x4011cc GetTickCount
 0x4011d0 GetSystemTimeAsFileTime
 0x4011d4 GetLocaleInfoW
 0x4011d8 GetACP
 0x4011dc GetOEMCP
 0x4011e0 IsValidCodePage
 0x4011e4 GetUserDefaultLCID
 0x4011e8 GetLocaleInfoA
 0x4011ec IsValidLocale
 0x4011f0 HeapReAlloc
 0x4011f4 SetStdHandle
 0x4011f8 GetConsoleCP
 0x4011fc GetConsoleMode
 0x401200 FlushFileBuffers
 0x401204 CloseHandle
USER32.dll
 0x40120c CharUpperA

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure