Report - buildz.exe

Suspicious_Script_Bin Malicious Library UPX Socket DGA Http API ScreenShot PWS DNS Internet API AntiDebug AntiVM PE File PE32 OS Processor Check
ScreenShot
Created 2024.07.15 16:42 Machine s1_win7_x6403
Filename buildz.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
4
Behavior Score
8.2
ZERO API file : malware
VT API (file)
md5 a849c8e77640b84fb11c61c2caeaef24
sha256 50e6f55976a9523622a8800986307d009cfcb437b5c3d1cd16af01bc80f14778
ssdeep 12288:JiLZhlSvNp0B6oswKscYIiKAsp7VrXMA2FXaIuzmM7Kzd6lVG9NdzX:qWvNpBVw1Tnjszr8lF5YmMA6lyPzX
imphash 1bf8ebf879fee654fc9a3ea11df395e2
impfuzzy 48:wqFagJDnNtYcpe7C0ca3BBKAQfCQGAFNt:wqFagJDNtYcpe7Hca3NzU
  Network IP location

Signature (17cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to create or modify system certificates
watch Installs itself for autorun at Windows startup
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
watch Uses suspicious command line tools or Windows utilities
notice Allocates read-write-execute memory (usually to unpack itself)
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Potentially malicious URLs were found in the process memory dump
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Yara rule detected in process memory
info Checks if process is being debugged by a debugger
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)

Rules (22cnts)

Level Name Description Collection
warning Suspicious_Obfuscation_Script_2 Suspicious obfuscation script (e.g. executable files) binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot 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 DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (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 (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (6cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://cajgtus.com/lancer/get.php?pid=06280D9CD13939E9B7E95CDCAA6A83CC&first=true PY Telecel S.A. 181.123.219.23 clean
https://api.2ip.ua/geo.json US CLOUDFLARENET 172.67.139.220 clean
cajgtus.com PY Telecel S.A. 181.123.219.23 malware
api.2ip.ua US CLOUDFLARENET 172.67.139.220 clean
172.67.139.220 US CLOUDFLARENET 172.67.139.220 clean
131.255.215.165 BR Netiz Internet & Telecom 131.255.215.165 clean

Suricata ids

PE API

IAT(Import Address Table) Library

KERNEL32.dll
 0x4a1008 SetEndOfFile
 0x4a100c LocalCompact
 0x4a1010 CreateHardLinkA
 0x4a1014 LoadLibraryW
 0x4a1018 ReadConsoleInputA
 0x4a101c FreeConsole
 0x4a1020 IsBadCodePtr
 0x4a1024 IsBadStringPtrA
 0x4a1028 GlobalUnlock
 0x4a102c GetLastError
 0x4a1030 SetLastError
 0x4a1034 GetProcAddress
 0x4a1038 CreateJobSet
 0x4a103c LoadLibraryA
 0x4a1040 LocalAlloc
 0x4a1044 AddAtomW
 0x4a1048 CreateEventW
 0x4a104c HeapLock
 0x4a1050 HeapCompact
 0x4a1054 GetModuleFileNameA
 0x4a1058 GetOEMCP
 0x4a105c GetCurrentDirectoryA
 0x4a1060 GetFileTime
 0x4a1064 Module32NextW
 0x4a1068 GetDiskFreeSpaceExW
 0x4a106c TerminateJobObject
 0x4a1070 DebugBreak
 0x4a1074 CloseHandle
 0x4a1078 CreateFileW
 0x4a107c FlushFileBuffers
 0x4a1080 GetStringTypeW
 0x4a1084 LCMapStringW
 0x4a1088 EnumResourceTypesW
 0x4a108c EnumResourceNamesW
 0x4a1090 WriteConsoleW
 0x4a1094 SetStdHandle
 0x4a1098 HeapAlloc
 0x4a109c GetModuleHandleW
 0x4a10a0 ExitProcess
 0x4a10a4 DecodePointer
 0x4a10a8 GetCommandLineW
 0x4a10ac HeapSetInformation
 0x4a10b0 GetStartupInfoW
 0x4a10b4 IsProcessorFeaturePresent
 0x4a10b8 UnhandledExceptionFilter
 0x4a10bc SetUnhandledExceptionFilter
 0x4a10c0 IsDebuggerPresent
 0x4a10c4 EncodePointer
 0x4a10c8 TerminateProcess
 0x4a10cc GetCurrentProcess
 0x4a10d0 HeapFree
 0x4a10d4 WriteFile
 0x4a10d8 GetStdHandle
 0x4a10dc GetModuleFileNameW
 0x4a10e0 HeapCreate
 0x4a10e4 ReadFile
 0x4a10e8 EnterCriticalSection
 0x4a10ec LeaveCriticalSection
 0x4a10f0 InitializeCriticalSectionAndSpinCount
 0x4a10f4 DeleteCriticalSection
 0x4a10f8 TlsAlloc
 0x4a10fc TlsGetValue
 0x4a1100 TlsSetValue
 0x4a1104 TlsFree
 0x4a1108 InterlockedIncrement
 0x4a110c GetCurrentThreadId
 0x4a1110 InterlockedDecrement
 0x4a1114 FreeEnvironmentStringsW
 0x4a1118 GetEnvironmentStringsW
 0x4a111c SetHandleCount
 0x4a1120 GetFileType
 0x4a1124 QueryPerformanceCounter
 0x4a1128 GetTickCount
 0x4a112c GetCurrentProcessId
 0x4a1130 GetSystemTimeAsFileTime
 0x4a1134 Sleep
 0x4a1138 SetFilePointer
 0x4a113c WideCharToMultiByte
 0x4a1140 GetConsoleCP
 0x4a1144 GetConsoleMode
 0x4a1148 GetCPInfo
 0x4a114c GetACP
 0x4a1150 IsValidCodePage
 0x4a1154 MultiByteToWideChar
 0x4a1158 RtlUnwind
 0x4a115c HeapSize
 0x4a1160 HeapReAlloc
 0x4a1164 RaiseException
USER32.dll
 0x4a116c GetMessageTime
 0x4a1170 GetKeyboardLayout
 0x4a1174 CharUpperBuffA
 0x4a1178 SetCursorPos
 0x4a117c LoadMenuW
 0x4a1180 GetSysColorBrush
 0x4a1184 GetSystemMetrics
 0x4a1188 SetCaretPos
GDI32.dll
 0x4a1000 GetCharWidthW
ole32.dll
 0x4a1190 CoUnmarshalHresult

EAT(Export Address Table) is none



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