Report - build.exe

Malicious Library UPX PE32 PE File OS Processor Check
ScreenShot
Created 2023.11.21 07:55 Machine s1_win7_x6401
Filename build.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
8
Behavior Score
2.6
ZERO API file : malware
VT API (file) 30 detected (AIDetectMalware, Stop, Lockbit, Save, malicious, Attribute, HighConfidence, high confidence, Kryptik, HVIB, score, Mokes, SmokeLoader, CLASSIC, high, Krypt, Static AI, Malicious PE, Sabsik, Detected, R621908, unsafe, Obfuscated, StopCrypt, confidence, 100%)
md5 aa90f740f20462601a90fafdf37a4b82
sha256 3d6f60107b831b2c10f7788c2c47f9ca6c3804b42f83e77c6e5e9993b7392378
ssdeep 3072:tDO17emGta474RR+LJu0QFwyJXI6eWNrGIXm5Vs2aCNGBQZXXv/xs:oemqa47wRwJutFty6nrGGAN9N5R
imphash 225c0a302d7e57a1c8187a7075db5d12
impfuzzy 48:IH97Og2j3gVSpxH+fcgwGSJtnSc+ZCAUr:Ltrg0xH+fcgwGSJtnScmK
  Network IP location

Signature (5cnts)

Level Description
danger File has been identified by 30 AntiVirus engines on VirusTotal as malicious
watch Tries to unhook Windows functions monitored by Cuckoo
notice Allocates read-write-execute memory (usually to unpack itself)
notice The binary likely contains encrypted or compressed data indicative of a packer
info One or more processes crashed

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 GetVolumeNameForVolumeMountPointA
 0x401004 GetCommandLineW
 0x401008 SetProcessAffinityMask
 0x40100c CreateFileA
 0x401010 FindFirstFileW
 0x401014 WriteConsoleOutputCharacterW
 0x401018 InterlockedIncrement
 0x40101c InterlockedDecrement
 0x401020 GetSystemWindowsDirectoryW
 0x401024 GetNamedPipeHandleStateA
 0x401028 WriteConsoleInputA
 0x40102c _lclose
 0x401030 MoveFileWithProgressA
 0x401034 GetModuleHandleW
 0x401038 LocalFlags
 0x40103c GetPrivateProfileStringW
 0x401040 ReadConsoleW
 0x401044 GetWindowsDirectoryA
 0x401048 GetCompressedFileSizeW
 0x40104c SetCommState
 0x401050 CreateActCtxW
 0x401054 ActivateActCtx
 0x401058 GlobalAlloc
 0x40105c LoadLibraryW
 0x401060 ReadConsoleInputA
 0x401064 SetConsoleCP
 0x401068 DeleteVolumeMountPointW
 0x40106c GlobalFlags
 0x401070 GetConsoleAliasW
 0x401074 SetSystemPowerState
 0x401078 TerminateProcess
 0x40107c GetTimeZoneInformation
 0x401080 ReplaceFileA
 0x401084 DisconnectNamedPipe
 0x401088 GetTempPathW
 0x40108c GlobalUnfix
 0x401090 FindFirstFileA
 0x401094 GetProcAddress
 0x401098 RemoveDirectoryA
 0x40109c VerLanguageNameW
 0x4010a0 GetProcessId
 0x4010a4 OpenWaitableTimerW
 0x4010a8 GetConsoleScreenBufferInfo
 0x4010ac GetFileType
 0x4010b0 BuildCommDCBAndTimeoutsW
 0x4010b4 AddAtomW
 0x4010b8 GlobalGetAtomNameW
 0x4010bc GetCurrentConsoleFont
 0x4010c0 FoldStringA
 0x4010c4 GlobalFindAtomW
 0x4010c8 GetProcessShutdownParameters
 0x4010cc WriteProfileStringW
 0x4010d0 VirtualProtect
 0x4010d4 SetProcessShutdownParameters
 0x4010d8 GetWindowsDirectoryW
 0x4010dc AddConsoleAliasA
 0x4010e0 ReadConsoleOutputCharacterW
 0x4010e4 GetVolumeInformationW
 0x4010e8 CloseHandle
 0x4010ec WriteConsoleW
 0x4010f0 SetStdHandle
 0x4010f4 EncodePointer
 0x4010f8 DecodePointer
 0x4010fc Sleep
 0x401100 InitializeCriticalSection
 0x401104 DeleteCriticalSection
 0x401108 EnterCriticalSection
 0x40110c LeaveCriticalSection
 0x401110 GetLastError
 0x401114 WideCharToMultiByte
 0x401118 HeapFree
 0x40111c HeapAlloc
 0x401120 ExitProcess
 0x401124 HeapSetInformation
 0x401128 GetStartupInfoW
 0x40112c RaiseException
 0x401130 RtlUnwind
 0x401134 LCMapStringW
 0x401138 MultiByteToWideChar
 0x40113c GetCPInfo
 0x401140 IsProcessorFeaturePresent
 0x401144 GetACP
 0x401148 GetOEMCP
 0x40114c IsValidCodePage
 0x401150 TlsAlloc
 0x401154 TlsGetValue
 0x401158 TlsSetValue
 0x40115c TlsFree
 0x401160 SetLastError
 0x401164 GetCurrentThreadId
 0x401168 UnhandledExceptionFilter
 0x40116c SetUnhandledExceptionFilter
 0x401170 IsDebuggerPresent
 0x401174 GetCurrentProcess
 0x401178 HeapCreate
 0x40117c SetHandleCount
 0x401180 GetStdHandle
 0x401184 InitializeCriticalSectionAndSpinCount
 0x401188 WriteFile
 0x40118c GetModuleFileNameW
 0x401190 HeapSize
 0x401194 GetLocaleInfoW
 0x401198 FreeEnvironmentStringsW
 0x40119c GetEnvironmentStringsW
 0x4011a0 QueryPerformanceCounter
 0x4011a4 GetTickCount
 0x4011a8 GetCurrentProcessId
 0x4011ac GetSystemTimeAsFileTime
 0x4011b0 GetUserDefaultLCID
 0x4011b4 GetLocaleInfoA
 0x4011b8 EnumSystemLocalesA
 0x4011bc IsValidLocale
 0x4011c0 GetStringTypeW
 0x4011c4 HeapReAlloc
 0x4011c8 SetFilePointer
 0x4011cc GetConsoleCP
 0x4011d0 GetConsoleMode
 0x4011d4 FlushFileBuffers
 0x4011d8 CreateFileW
USER32.dll
 0x4011e0 CharUpperA
 0x4011e4 CharToOemBuffA

EAT(Export Address Table) is none



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