Report - exclusion and run rat.bat

PWS Generic Malware Downloader Antivirus UPX Malicious Library Admin Tool (Sysinternals etc ...) Create Service DGA Socket DNS Steal credential Code injection HTTP Sniff Audio Http API Internet API ScreenShot Escalate priviledges P2P FTP KeyLogger AntiDe
ScreenShot
Created 2023.06.20 09:37 Machine s1_win7_x6402
Filename exclusion and run rat.bat
Type DOS batch file, ASCII text, with CRLF line terminators
AI Score Not founds Behavior Score
9.4
ZERO API file : clean
VT API (file)
md5 195ea5d64645f606cc382a43e1a5023c
sha256 273b7078c3fe99f068ee222303ba5b70e291c0092096bec179b46ad937c1eaca
ssdeep 6:hSG81R3KnMMQ75ieGgdEYluWHp2IeR3pOHCvWWJzRDaHvQ+OvGCbFHKyB/nz:0G81kMMQ7hu+THJeRECOWJzR0OeaFqyN
imphash
impfuzzy
  Network IP location

Signature (24cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch Creates a suspicious Powershell process
watch Drops a binary and executes it
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch The process powershell.exe wrote an executable file to disk
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice An executable file was downloaded by the process bz.exe
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice Creates executable files on the filesystem
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Uses Windows utilities for basic Windows functionality
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Command line console output was observed
info One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (38cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Antivirus Contains references to security software binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Network_Downloader File Downloader memory
watch UPX_Zero UPX packed file binaries (download)
notice Code_injection Code injection with CreateRemoteThread in a remote process memory
notice Create_Service Create a windows service memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice local_credential_Steal Steal credential memory
notice Network_DGA Communication using DGA memory
notice Network_DNS Communications use DNS memory
notice Network_FTP Communications over FTP memory
notice Network_HTTP Communications over HTTP memory
notice Network_P2P_Win Communications over P2P network memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio 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 antisb_threatExpert Anti-Sandbox checks for ThreatExpert memory
info Check_Dlls (no description) memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (no description) memory
info DebuggerException__ConsoleCtrl (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 (download)
info PE_Header_Zero PE File Signature binaries (download)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://51.79.49.73/crc/bz.exe CA OVH SAS 51.79.49.73 malware
http://51.79.49.73/crc/Play.exe CA OVH SAS 51.79.49.73 34275 malware
51.79.49.73 CA OVH SAS 51.79.49.73 malware

Suricata ids



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