Report - pdf.ps1

Client SW User Data Stealer Backdoor RemcosRAT browser info stealer Hide_EXE Generic Malware Google Chrome User Data Downloader Malicious Library .NET framework(MSIL) Antivirus Create Service Socket ScreenShot Escalate priviledges PWS Sniff Audio DNS Inte
ScreenShot
Created 2025.03.31 12:24 Machine s1_win7_x6401
Filename pdf.ps1
Type ASCII text, with very long lines, with CRLF line terminators
AI Score Not founds Behavior Score
17.4
ZERO API file : malware
VT API (file) 8 detected (Malcode, gdn34, Kryptik, ANKQ, AgentTesla, Noon, Bujl, Encpe, RBS2XJC)
md5 642647cf863119977d7bd52e848e0cfe
sha256 7eb324d64219307096ea286640458671dc964fb218395d775dc5fe5e7f339e00
ssdeep 24576:9/OLuXkd8CEp3qX7+72VjDacVozozgfvugmBxOv1uC:IHd6qXakmiBKV
imphash
impfuzzy
  Network IP location

Signature (39cnts)

Level Description
danger Executed a process and injected code into it
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Communicates with host for which no DNS query was performed
watch Creates a windows hook that monitors keyboard input (keylogger)
watch Drops a binary and executes it
watch Harvests credentials from local email clients
watch Harvests information related to installed instant messenger clients
watch Installs itself for autorun at Windows startup
watch One or more non-whitelisted processes were created
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 The process powershell.exe wrote an executable file to disk
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice A process attempted to delay the analysis task.
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
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 Drops an executable to the user AppData folder
notice File has been identified by 8 AntiVirus engines on VirusTotal as malicious
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 Queries for potentially installed applications
notice Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation
notice Searches running processes potentially to identify processes for sandbox evasion
notice Steals private information from local Internet browsers
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (31cnts)

Level Name Description Collection
danger Client_SW_User_Data_Stealer Client_SW_User_Data_Stealer memory
danger Win_Backdoor_RemcosRAT Win Backdoor RemcosRAT memory
warning Generic_Malware_Zero Generic Malware binaries (download)
warning hide_executable_file Hide executable file binaries (upload)
warning infoStealer_browser_Zero browser info stealer memory
watch Antivirus Contains references to security software binaries (download)
watch Chrome_User_Data_Check_Zero Google Chrome User Data Check memory
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch Network_Downloader File Downloader memory
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
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 Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio 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 DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Is_DotNET_EXE (no description) binaries (download)
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 (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://geoplugin.net/json.gp NL Schuberg Philis B.V. 178.237.33.50 clean
geoplugin.net NL Schuberg Philis B.V. 178.237.33.50 clean
103.28.89.34 HK Amarutu Technology Ltd 103.28.89.34 clean
178.237.33.50 NL Schuberg Philis B.V. 178.237.33.50 clean

Suricata ids



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