Report - build.exe

Malicious Library UPX PE File PE32 OS Processor Check
ScreenShot
Created 2023.11.09 07:37 Machine s1_win7_x6401
Filename build.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
7
Behavior Score
1.0
ZERO API file : clean
VT API (file)
md5 7159eea664e510fef8420b035fc94869
sha256 40cae14ba8cae377eea5ddc3730a96059826641ac6385d3a24ed0835dd5d6b05
ssdeep 3072:isGL1kY2Cbwu1WOjHG90/i89xRVuG6sgl4R7NZIYidoFFcbPgn9xAHsuj:i7KZCbvLjm90/iqvVkl41zI5Ml9eH
imphash fe49a4b1427ad59bc5196b8727a91159
impfuzzy 48:v4AJ1J9JIrS5lpcOzYbm+fcqu3GUgty30c9ZxSr:verS5vcfbm+fcqcGUgtykc3O
  Network IP location

Signature (3cnts)

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
info The file contains an unknown PE resource name possibly 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 FindFirstFileW
 0x401004 SetLocaleInfoA
 0x401008 WriteConsoleInputW
 0x40100c lstrlenA
 0x401010 GetConsoleAliasExesA
 0x401014 GetCPInfo
 0x401018 OpenJobObjectA
 0x40101c GetEnvironmentStringsW
 0x401020 WriteConsoleInputA
 0x401024 AddConsoleAliasW
 0x401028 OpenSemaphoreA
 0x40102c MoveFileWithProgressA
 0x401030 GetModuleHandleW
 0x401034 GetCommConfig
 0x401038 GetPrivateProfileStringW
 0x40103c ReadConsoleW
 0x401040 WaitNamedPipeW
 0x401044 CreateActCtxW
 0x401048 GlobalAlloc
 0x40104c LoadLibraryW
 0x401050 FatalAppExitW
 0x401054 ReadConsoleInputA
 0x401058 CopyFileW
 0x40105c _hread
 0x401060 GetSystemPowerStatus
 0x401064 GetFileAttributesA
 0x401068 HeapCreate
 0x40106c GetConsoleAliasW
 0x401070 ReplaceFileW
 0x401074 GetCompressedFileSizeA
 0x401078 GetTimeZoneInformation
 0x40107c FindNextVolumeMountPointW
 0x401080 GetTempPathW
 0x401084 EnumSystemLocalesA
 0x401088 GetPrivateProfileIntW
 0x40108c GetConsoleOutputCP
 0x401090 GetConsoleAliasesW
 0x401094 GetStartupInfoA
 0x401098 FindFirstFileA
 0x40109c GetLastError
 0x4010a0 GetCurrentDirectoryW
 0x4010a4 ReadConsoleOutputCharacterA
 0x4010a8 GetProcAddress
 0x4010ac RemoveDirectoryA
 0x4010b0 GlobalGetAtomNameA
 0x4010b4 LoadLibraryA
 0x4010b8 SetConsoleCtrlHandler
 0x4010bc GetTapeParameters
 0x4010c0 FoldStringA
 0x4010c4 GlobalFindAtomW
 0x4010c8 GetModuleHandleA
 0x4010cc CancelIo
 0x4010d0 GetProcessAffinityMask
 0x4010d4 FindNextFileW
 0x4010d8 VirtualProtect
 0x4010dc GetCurrentDirectoryA
 0x4010e0 CompareStringA
 0x4010e4 GetWindowsDirectoryW
 0x4010e8 FindFirstVolumeW
 0x4010ec DeleteFileW
 0x4010f0 AddConsoleAliasA
 0x4010f4 GetTempPathA
 0x4010f8 GetProfileSectionW
 0x4010fc AreFileApisANSI
 0x401100 ExpandEnvironmentStringsW
 0x401104 CloseHandle
 0x401108 CreateFileW
 0x40110c WriteConsoleW
 0x401110 InterlockedIncrement
 0x401114 InterlockedDecrement
 0x401118 EncodePointer
 0x40111c DecodePointer
 0x401120 Sleep
 0x401124 InitializeCriticalSection
 0x401128 DeleteCriticalSection
 0x40112c EnterCriticalSection
 0x401130 LeaveCriticalSection
 0x401134 MoveFileA
 0x401138 HeapFree
 0x40113c ExitProcess
 0x401140 HeapReAlloc
 0x401144 GetCommandLineW
 0x401148 HeapSetInformation
 0x40114c GetStartupInfoW
 0x401150 RaiseException
 0x401154 RtlUnwind
 0x401158 HeapAlloc
 0x40115c WideCharToMultiByte
 0x401160 LCMapStringW
 0x401164 MultiByteToWideChar
 0x401168 IsProcessorFeaturePresent
 0x40116c InitializeCriticalSectionAndSpinCount
 0x401170 GetLocaleInfoW
 0x401174 UnhandledExceptionFilter
 0x401178 SetUnhandledExceptionFilter
 0x40117c IsDebuggerPresent
 0x401180 TerminateProcess
 0x401184 GetCurrentProcess
 0x401188 TlsAlloc
 0x40118c TlsGetValue
 0x401190 TlsSetValue
 0x401194 TlsFree
 0x401198 SetLastError
 0x40119c GetCurrentThreadId
 0x4011a0 WriteFile
 0x4011a4 GetStdHandle
 0x4011a8 GetModuleFileNameW
 0x4011ac FreeEnvironmentStringsW
 0x4011b0 SetHandleCount
 0x4011b4 GetFileType
 0x4011b8 QueryPerformanceCounter
 0x4011bc GetTickCount
 0x4011c0 GetCurrentProcessId
 0x4011c4 GetSystemTimeAsFileTime
 0x4011c8 HeapSize
 0x4011cc GetACP
 0x4011d0 GetOEMCP
 0x4011d4 IsValidCodePage
 0x4011d8 GetUserDefaultLCID
 0x4011dc GetLocaleInfoA
 0x4011e0 IsValidLocale
 0x4011e4 GetStringTypeW
 0x4011e8 SetFilePointer
 0x4011ec GetConsoleCP
 0x4011f0 GetConsoleMode
 0x4011f4 FlushFileBuffers
 0x4011f8 SetStdHandle
USER32.dll
 0x401200 CharUpperW
 0x401204 CharToOemBuffA

EAT(Export Address Table) is none



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