popup

Report - .win32.exe

PWS[m] Downloader UPX Malicious Library Create Service DGA Socket ScreenShot DNS Internet API Code injection Hijack Network Sniff Audio HTTP Steal credential KeyLogger P2P Escalate priviledges persistence FTP Http API AntiDebug AntiVM MSOffice File OS Pro
  1. Resubmit analysis
  2. Detailed report
ScreenShot
Created 2023.03.05 03:54 Machine s1_win7_x6402
Filename .win32.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score Not founds Behavior Score
5.6
ZERO API file : malware
VT API (file)
md5 8c3c941efdc044a57a89a4163918acb2
sha256 1f973d307ac6766796e6abcaf1c71b8e506859ebf82d9d176fafc564383b2e20
ssdeep 3072:25mJMInhU7WuCr4VT+3HmDqg4Aa2oAnq5mnzL/:3PhCWuCryT+Wm8a5QP
imphash 27ccc1110d648cca84e0bb30f9afcab7
impfuzzy 24:Vw9b7rDIlOKxJMkWCb3kSwEbG2bFV4WPvytpOLZkKJtgcrIlyv9CFHOT4nsjMAd6:fOmmWZHHJtgcEK9C4cn8dAc4X
  Network IP location

Signature (13cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch Found URLs in memory pointing to an IP address rather than a domain (potentially indicative of Command & Control traffic)
watch Resumed a suspended thread in a remote process potentially indicative of process injection
notice Allocates read-write-execute memory (usually to unpack itself)
notice An application raised an exception which may be indicative of an exploit crash
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Performs some HTTP requests
notice Potentially malicious URLs were found in the process memory dump
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info One or more processes crashed

Rules (39cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Network_Downloader File Downloader memory
watch UPX_Zero UPX packed file binaries (download)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Create_Service Create a windows service memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Hijack_Network Hijack network configuration memory
notice KeyLogger Run a KeyLogger memory
notice local_credential_Steal Steal credential memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_FTP Communications over FTP memory
notice Network_HTTP Communications over HTTP memory
notice Network_P2P_Win Communications over P2P network memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice Persistence Install itself for autorun at Windows startup memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio memory
notice Str_Win32_Http_API Match Windows Http API call memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
info anti_dbg Checks if being debugged memory
info antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (no description) memory
info DebuggerException__SetConsoleCtrl (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info IsPE32 (no description) binaries (download)
info Microsoft_Office_File_Zero Microsoft Office File binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory

Network (2cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://195.133.40.108/googlespace/.win32.exe
whois
RU SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S. 195.133.40.108 malware
195.133.40.108
whois
RU SPDNet Telekomunikasyon Hizmetleri Bilgi Teknolojileri Taahhut Sanayi Ve Ticaret A.S. 195.133.40.108 malware

Suricata ids

SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET INFO Executable Download from dotted-quad Host
ET INFO TLS Handshake Failure
ET POLICY PE EXE or DLL Windows file download HTTP
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET INFO EXE IsDebuggerPresent (Used in Malware Anti-Debugging)

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x401000 LoadLibraryA
 0x401004 WriteConsoleInputW
 0x401008 GetWindowsDirectoryW
 0x40100c FindFirstVolumeMountPointW
 0x401010 FindFirstChangeNotificationW
 0x401014 WaitForMultipleObjects
 0x401018 ReadConsoleInputA
 0x40101c VerifyVersionInfoW
 0x401020 GetVersionExA
 0x401024 OpenEventA
 0x401028 SetLocaleInfoW
 0x40102c GetProcAddress
 0x401030 LocalAlloc
 0x401034 SetConsoleTitleW
 0x401038 DeleteFileA
 0x40103c EnumResourceTypesW
 0x401040 GetLongPathNameW
 0x401044 LoadLibraryW
 0x401048 GetBinaryTypeA
 0x40104c SetLastError
 0x401050 LocalShrink
 0x401054 WriteProfileStringA
 0x401058 GetComputerNameExA
 0x40105c GetConsoleAliasA
 0x401060 WriteProfileSectionW
 0x401064 GetModuleHandleA
 0x401068 GetSystemPowerStatus
 0x40106c GetModuleHandleW
 0x401070 EnumResourceLanguagesW
 0x401074 SetDefaultCommConfigA
 0x401078 EnumDateFormatsW
 0x40107c SetVolumeMountPointA
 0x401080 MoveFileExW
 0x401084 WritePrivateProfileStringW
 0x401088 GetSystemDirectoryW
 0x40108c GetStringTypeW
 0x401090 GetShortPathNameW
 0x401094 FindNextFileW
 0x401098 EnumCalendarInfoA
 0x40109c AddRefActCtx
 0x4010a0 GetLastError
 0x4010a4 HeapSize
 0x4010a8 WriteConsoleW
 0x4010ac MultiByteToWideChar
 0x4010b0 WideCharToMultiByte
 0x4010b4 HeapReAlloc
 0x4010b8 HeapFree
 0x4010bc GetCommandLineW
 0x4010c0 HeapSetInformation
 0x4010c4 GetStartupInfoW
 0x4010c8 EncodePointer
 0x4010cc DecodePointer
 0x4010d0 IsProcessorFeaturePresent
 0x4010d4 GetCPInfo
 0x4010d8 InterlockedIncrement
 0x4010dc InterlockedDecrement
 0x4010e0 GetACP
 0x4010e4 GetOEMCP
 0x4010e8 IsValidCodePage
 0x4010ec TlsAlloc
 0x4010f0 TlsGetValue
 0x4010f4 TlsSetValue
 0x4010f8 TlsFree
 0x4010fc GetCurrentThreadId
 0x401100 UnhandledExceptionFilter
 0x401104 SetUnhandledExceptionFilter
 0x401108 IsDebuggerPresent
 0x40110c TerminateProcess
 0x401110 GetCurrentProcess
 0x401114 SetFilePointer
 0x401118 EnterCriticalSection
 0x40111c LeaveCriticalSection
 0x401120 CloseHandle
 0x401124 HeapCreate
 0x401128 HeapAlloc
 0x40112c SetHandleCount
 0x401130 GetStdHandle
 0x401134 InitializeCriticalSectionAndSpinCount
 0x401138 GetFileType
 0x40113c DeleteCriticalSection
 0x401140 ExitProcess
 0x401144 WriteFile
 0x401148 GetModuleFileNameW
 0x40114c FreeEnvironmentStringsW
 0x401150 GetEnvironmentStringsW
 0x401154 QueryPerformanceCounter
 0x401158 GetTickCount
 0x40115c GetCurrentProcessId
 0x401160 GetSystemTimeAsFileTime
 0x401164 RaiseException
 0x401168 LCMapStringW
 0x40116c Sleep
 0x401170 SetStdHandle
 0x401174 GetConsoleCP
 0x401178 GetConsoleMode
 0x40117c FlushFileBuffers
 0x401180 RtlUnwind
 0x401184 CreateFileW
USER32.dll
 0x401194 LoadMenuA
SHELL32.dll
 0x40118c CommandLineToArgvW

EAT(Export Address Table) is none


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