Report - build.exe

Malicious Library PE32 PE File
ScreenShot
Created 2023.11.17 07:49 Machine s1_win7_x6403
Filename build.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
4
Behavior Score
1.2
ZERO API file : clean
VT API (file)
md5 8db522805e565ad411c8b713dd5558a1
sha256 b04caf3e505f0d1a6ed6348f82d5ff27de4a8ff134154c13b20c0409912bb12c
ssdeep 3072:cD8LMI/rMrVLIwaFqj2UAKDJ6xlnORuC5BHKsikfN:VLM2rMpLlaFq6UA7/S
imphash 1e4c03c8d316dc9d74593d2b0d247c9e
impfuzzy 24:mUXxkeBNAMckqOw3kriKCDg6BfuUOq6CCkTJZKbSJrvSG1tmwIbcfplyuOZyvnRz:vV1tNrT+vSG1thkcfpMuR+cQNFi
  Network IP location

Signature (4cnts)

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
info This executable has a PDB path

Rules (3cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
info IsPE32 (no description) 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
 0x401008 CreateFileA
 0x40100c FindResourceA
 0x401010 SetPriorityClass
 0x401014 GetNativeSystemInfo
 0x401018 UpdateResourceA
 0x40101c InterlockedIncrement
 0x401020 SetConsoleTextAttribute
 0x401024 GetConsoleAliasA
 0x401028 InitializeSListHead
 0x40102c GetModuleHandleW
 0x401030 GetWindowsDirectoryA
 0x401034 GetVolumePathNameW
 0x401038 LoadLibraryW
 0x40103c TerminateThread
 0x401040 ReadConsoleInputA
 0x401044 SizeofResource
 0x401048 GetSystemWindowsDirectoryA
 0x40104c GetConsoleAliasExesLengthW
 0x401050 DeleteVolumeMountPointW
 0x401054 EnumSystemCodePagesA
 0x401058 VerifyVersionInfoA
 0x40105c SetComputerNameExW
 0x401060 lstrcatA
 0x401064 GetConsoleAliasesW
 0x401068 FillConsoleOutputCharacterW
 0x40106c GetLastError
 0x401070 SetVolumeLabelA
 0x401074 lstrcmpiA
 0x401078 GetProcAddress
 0x40107c VirtualAlloc
 0x401080 PeekConsoleInputW
 0x401084 BackupWrite
 0x401088 CreateNamedPipeA
 0x40108c RemoveDirectoryA
 0x401090 SearchPathA
 0x401094 SetFileAttributesA
 0x401098 PrepareTape
 0x40109c LoadLibraryA
 0x4010a0 OpenWaitableTimerW
 0x4010a4 LocalAlloc
 0x4010a8 GetNumberFormatW
 0x4010ac FoldStringA
 0x4010b0 GlobalFindAtomW
 0x4010b4 QueryMemoryResourceNotification
 0x4010b8 FreeEnvironmentStringsW
 0x4010bc GetWindowsDirectoryW
 0x4010c0 GetCurrentProcessId
 0x4010c4 GlobalAddAtomW
 0x4010c8 AddConsoleAliasA
 0x4010cc SetLastError
 0x4010d0 LCMapStringW
 0x4010d4 LCMapStringA
 0x4010d8 Sleep
 0x4010dc ExitProcess
 0x4010e0 GetStartupInfoW
 0x4010e4 RaiseException
 0x4010e8 RtlUnwind
 0x4010ec TerminateProcess
 0x4010f0 GetCurrentProcess
 0x4010f4 UnhandledExceptionFilter
 0x4010f8 SetUnhandledExceptionFilter
 0x4010fc IsDebuggerPresent
 0x401100 HeapAlloc
 0x401104 HeapFree
 0x401108 TlsGetValue
 0x40110c TlsAlloc
 0x401110 TlsSetValue
 0x401114 TlsFree
 0x401118 GetCurrentThreadId
 0x40111c InterlockedDecrement
 0x401120 HeapSize
 0x401124 WriteFile
 0x401128 GetStdHandle
 0x40112c GetModuleFileNameA
 0x401130 DeleteCriticalSection
 0x401134 LeaveCriticalSection
 0x401138 EnterCriticalSection
 0x40113c InitializeCriticalSectionAndSpinCount
 0x401140 GetModuleFileNameW
 0x401144 GetEnvironmentStringsW
 0x401148 GetCommandLineW
 0x40114c SetHandleCount
 0x401150 GetFileType
 0x401154 GetStartupInfoA
 0x401158 HeapCreate
 0x40115c VirtualFree
 0x401160 QueryPerformanceCounter
 0x401164 GetTickCount
 0x401168 GetSystemTimeAsFileTime
 0x40116c HeapReAlloc
 0x401170 GetCPInfo
 0x401174 GetACP
 0x401178 GetOEMCP
 0x40117c IsValidCodePage
 0x401180 GetLocaleInfoA
 0x401184 WideCharToMultiByte
 0x401188 GetStringTypeA
 0x40118c MultiByteToWideChar
 0x401190 GetStringTypeW
USER32.dll
 0x401198 CharToOemBuffA
 0x40119c GetMessageExtraInfo
GDI32.dll
 0x401000 GetCharABCWidthsFloatW
WINHTTP.dll
 0x4011a4 WinHttpWriteData

EAT(Export Address Table) is none



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