Report - build.exe

UPX Malicious Library OS Processor Check PE File PE32
ScreenShot
Created 2023.06.22 08:59 Machine s1_win7_x6403
Filename build.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
7
Behavior Score
2.0
ZERO API file : malware
VT API (file) 29 detected (AIDetectMalware, Windows, Smokeloader, Save, malicious, score, Yakes, PWSX, Obfuscated, high, Krypt, Static AI, Malicious PE, Wacatac, Detected, unsafe, CLASSIC, susgen, confidence, 100%)
md5 53c3c141b89b777bb8d9827e31e59802
sha256 da5f869e09c374e7a3a31d7144750081b676b68aeed4a71b277c089a271ab4a6
ssdeep 6144:bs5KkT2RQgQhGlq5OrofyNAhL5eWjO+ZD0hSPn:bsYkTwShGl7hNATNq+ZDOSP
imphash 7e2f40dcf3d81681fb786c02378f9f78
impfuzzy 24:jO+RkP8k4zQCF/Vd+V4WSSP5zFDN4nouNDdQBSwQDpoFO/0xvjcOHOovAKX9J3J4:CQ9t0lmZdRwkpuO/u4OutgJtQHK9w9+q
  Network IP location

Signature (5cnts)

Level Description
warning File has been identified by 29 AntiVirus engines on VirusTotal as malicious
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 executable contains unknown PE section names indicative of a packer (could be a false positive)
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 GetCommandLineW
 0x401004 SetPriorityClass
 0x401008 GetConsoleAliasExesLengthA
 0x40100c InterlockedIncrement
 0x401010 InterlockedDecrement
 0x401014 GlobalSize
 0x401018 FreeEnvironmentStringsA
 0x40101c GetTickCount
 0x401020 GetCurrentThread
 0x401024 FindNextVolumeMountPointA
 0x401028 GetWindowsDirectoryA
 0x40102c WaitNamedPipeW
 0x401030 EnumTimeFormatsA
 0x401034 GlobalAlloc
 0x401038 GetSystemDirectoryW
 0x40103c SetFileShortNameW
 0x401040 GetPrivateProfileStructW
 0x401044 GetSystemPowerStatus
 0x401048 GetCalendarInfoW
 0x40104c FreeConsole
 0x401050 GetFileAttributesA
 0x401054 TerminateProcess
 0x401058 GetVolumePathNameA
 0x40105c FindNextVolumeMountPointW
 0x401060 GetShortPathNameA
 0x401064 GetCPInfoExW
 0x401068 GetLastError
 0x40106c GetCurrentDirectoryW
 0x401070 GetProcAddress
 0x401074 BeginUpdateResourceW
 0x401078 MoveFileW
 0x40107c SetComputerNameA
 0x401080 EnterCriticalSection
 0x401084 SearchPathA
 0x401088 SetFileAttributesA
 0x40108c GetTempFileNameA
 0x401090 LoadLibraryA
 0x401094 OpenThread
 0x401098 WriteConsoleA
 0x40109c InterlockedExchangeAdd
 0x4010a0 OpenWaitableTimerW
 0x4010a4 SetCalendarInfoW
 0x4010a8 MoveFileA
 0x4010ac GetNumberFormatW
 0x4010b0 SetFileApisToANSI
 0x4010b4 AddAtomA
 0x4010b8 OpenJobObjectW
 0x4010bc FindNextFileA
 0x4010c0 GetModuleHandleA
 0x4010c4 CreateMailslotA
 0x4010c8 CompareStringA
 0x4010cc GetShortPathNameW
 0x4010d0 GetVolumeNameForVolumeMountPointW
 0x4010d4 DeleteFileW
 0x4010d8 GetCurrentProcessId
 0x4010dc OpenFileMappingA
 0x4010e0 EnumCalendarInfoExA
 0x4010e4 EnumSystemLocalesW
 0x4010e8 DeleteFileA
 0x4010ec MultiByteToWideChar
 0x4010f0 GetCommandLineA
 0x4010f4 HeapSetInformation
 0x4010f8 GetStartupInfoW
 0x4010fc RaiseException
 0x401100 HeapAlloc
 0x401104 HeapFree
 0x401108 IsProcessorFeaturePresent
 0x40110c EncodePointer
 0x401110 DecodePointer
 0x401114 GetCPInfo
 0x401118 GetACP
 0x40111c GetOEMCP
 0x401120 IsValidCodePage
 0x401124 TlsAlloc
 0x401128 TlsGetValue
 0x40112c TlsSetValue
 0x401130 TlsFree
 0x401134 GetModuleHandleW
 0x401138 SetLastError
 0x40113c GetCurrentThreadId
 0x401140 UnhandledExceptionFilter
 0x401144 SetUnhandledExceptionFilter
 0x401148 IsDebuggerPresent
 0x40114c GetCurrentProcess
 0x401150 LeaveCriticalSection
 0x401154 SetHandleCount
 0x401158 GetStdHandle
 0x40115c InitializeCriticalSectionAndSpinCount
 0x401160 GetFileType
 0x401164 DeleteCriticalSection
 0x401168 CloseHandle
 0x40116c ExitProcess
 0x401170 WriteFile
 0x401174 GetModuleFileNameW
 0x401178 GetModuleFileNameA
 0x40117c FreeEnvironmentStringsW
 0x401180 WideCharToMultiByte
 0x401184 GetEnvironmentStringsW
 0x401188 HeapCreate
 0x40118c QueryPerformanceCounter
 0x401190 GetSystemTimeAsFileTime
 0x401194 LCMapStringW
 0x401198 GetStringTypeW
 0x40119c Sleep
 0x4011a0 SetFilePointer
 0x4011a4 GetConsoleCP
 0x4011a8 GetConsoleMode
 0x4011ac RtlUnwind
 0x4011b0 SetStdHandle
 0x4011b4 FlushFileBuffers
 0x4011b8 HeapSize
 0x4011bc LoadLibraryW
 0x4011c0 HeapReAlloc
 0x4011c4 WriteConsoleW
 0x4011c8 CreateFileW

EAT(Export Address Table) is none



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