Windows
Analysis Report
Pagamento Processado.js
Overview
General Information
Detection
Remcos
Score: | 100 |
Range: | 0 - 100 |
Confidence: | 100% |
Signatures
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Contains functionality to bypass UAC (CMSTPLUA)
Detected Remcos RAT
Found malware configuration
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Found evasive API chain checking for user administrative privileges
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JavaScript source code contains functionality to generate code involving a shell, file or stream
Maps a DLL or memory area into another process
PE file contains section with special chars
PE file has nameless sections
Potential obfuscated javascript found
Powershell drops PE file
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected WebBrowserPassView password recovery tool
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Contains functionality for read data from the clipboard
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check the parent process ID (often done to detect debuggers and analysis systems)
Contains functionality to download and launch executables
Contains functionality to dynamically determine API calls
Contains functionality to enumerate process and check for explorer.exe or svchost.exe (often used for thread injection)
Contains functionality to enumerate running services
Contains functionality to launch a control a shell (cmd.exe)
Contains functionality to modify clipboard data
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Extensive use of GetProcAddress (often used to hide API calls)
Found WSH timer for Javascript or VBS script (likely evasive script)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found decision node followed by non-executed suspicious APIs
Found inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
Java / VBScript file with very long strings (likely obfuscated code)
May sleep (evasive loops) to hinder dynamic analysis
PE file contains sections with non-standard names
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Browser Execution In Headless Mode
Sigma detected: Browser Started with Remote Debugging
Sigma detected: Script Initiated Connection
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Suricata IDS alerts with low severity for network traffic
Uses Microsoft's Enhanced Cryptographic Provider
Uses code obfuscation techniques (call, push, ret)
Yara detected Keylogger Generic
Yara signature match
Classification
- System is w10x64
wscript.exe (PID: 6216 cmdline:
C:\Windows \System32\ WScript.ex e "C:\User s\user\Des ktop\Pagam ento Proce ssado.js" MD5: A47CBE969EA935BDD3AB568BB126BC80) powershell.exe (PID: 7336 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -NoProfile -Executio nPolicy Re moteSigned -File "C: \Temp\WTRT RWFSHS.ps1 " MD5: 04029E121A0CFA5991749937DD22A1D9) conhost.exe (PID: 7344 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) JXCJKXCJHKJHXCJHKXCXCJHK.exe (PID: 7460 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\JXCJKX CJHKJHXCJH KXCXCJHK.e xe" MD5: 83AD102EBF7A8FF7859C781C0DF45BE8) JXCJKXCJHKJHXCJHKXCXCJHK.exe (PID: 7564 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\JXCJKX CJHKJHXCJH KXCXCJHK.e xe" MD5: 83AD102EBF7A8FF7859C781C0DF45BE8) chrome.exe (PID: 7684 cmdline:
--user-dat a-dir=C:\U sers\user\ AppData\Lo cal\Temp\T mpUserData --headles s --remote -debugging -port=9222 --profile -directory ="Default" MD5: E81F54E6C1129887AEA47E7D092680BF) chrome.exe (PID: 7992 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\Chrome .exe" --ty pe=utility --utility -sub-type= network.mo jom.Networ kService - -lang=en-U S --servic e-sandbox- type=none --noerrdia logs --no- pre-read-m ain-dll -- field-tria l-handle=2 068,i,1087 4666967590 452469,222 4900250606 111256,262 144 --disa ble-featur es=PaintHo lding --va riations-s eed-versio n --mojo-p latform-ch annel-hand le=2616 /p refetch:3 MD5: E81F54E6C1129887AEA47E7D092680BF) recover.exe (PID: 7744 cmdline:
C:\Windows \SysWOW64\ recover.ex e /stext " C:\Users\u ser\AppDat a\Local\Te mp\ufrigxe xiotsicyjm edmitblhoq mmy" MD5: D38B657A068016768CA9F3B5E100B472) recover.exe (PID: 7752 cmdline:
C:\Windows \SysWOW64\ recover.ex e /stext " C:\Users\u ser\AppDat a\Local\Te mp\ehwagpp qwwlwtqmnw opflynbivh vfjnzk" MD5: D38B657A068016768CA9F3B5E100B472) recover.exe (PID: 7768 cmdline:
C:\Windows \SysWOW64\ recover.ex e /stext " C:\Users\u ser\AppDat a\Local\Te mp\pcjthi" MD5: D38B657A068016768CA9F3B5E100B472) msedge.exe (PID: 4924 cmdline:
--user-dat a-dir=C:\U sers\user\ AppData\Lo cal\Temp\T mpUserData --headles s --remote -debugging -port=9222 --profile -directory ="Default" MD5: BF154738460E4AB1D388970E1AB13FAB) msedge.exe (PID: 8100 cmdline:
"C:\Progra m Files (x 86)\Micros oft\Edge\A pplication \msedge.ex e" --type= utility -- utility-su b-type=net work.mojom .NetworkSe rvice --la ng=en-GB - -service-s andbox-typ e=none --u se-angle=s wiftshader -webgl --u se-gl=angl e --headle ss --mojo- platform-c hannel-han dle=2132 - -field-tri al-handle= 1572,i,510 4455906519 316198,710 8619280464 206914,262 144 --disa ble-featur es=PaintHo lding /pre fetch:3 MD5: BF154738460E4AB1D388970E1AB13FAB)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Remcos, RemcosRAT | Remcos (acronym of Remote Control & Surveillance Software) is a commercial Remote Access Tool to remotely control computers.Remcos is advertised as legitimate software which can be used for surveillance and penetration testing purposes, but has been used in numerous hacking campaigns.Remcos, once installed, opens a backdoor on the computer, granting full access to the remote user.Remcos is developed by the cybersecurity company BreakingSecurity. |
{"Host:Port:Password": ["196.251.69.63:2721:1"], "Assigned name": "Brazil", "Connect interval": "1", "Install flag": "Disable", "Setup HKCU\\Run": "Enable", "Setup HKLM\\Run": "Enable", "Install path": "Application path", "Copy file": "remcos.exe", "Startup value": "Disable", "Hide file": "Disable", "Mutex": "Rmc-U6XQL5", "Keylog flag": "0", "Keylog path": "Application path", "Keylog file": "logs.dat", "Keylog crypt": "Disable", "Hide keylog file": "Disable", "Screenshot flag": "Disable", "Screenshot time": "1", "Take Screenshot option": "Disable", "Take screenshot title": "", "Take screenshot time": "5", "Screenshot path": "AppData", "Screenshot file": "Screenshots", "Screenshot crypt": "Disable", "Mouse option": "Disable", "Delete file": "Disable", "Audio record time": "5", "Audio folder": "MicRecords", "Connect delay": "0", "Copy folder": "Remcos", "Keylog folder": "remcos"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_Remcos_b296e965 | unknown | unknown |
|
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_WebBrowserPassView | Yara detected WebBrowserPassView password recovery tool | Joe Security | ||
JoeSecurity_Remcos | Yara detected Remcos RAT | Joe Security | ||
JoeSecurity_Keylogger_Generic | Yara detected Keylogger Generic | Joe Security | ||
JoeSecurity_Remcos | Yara detected Remcos RAT | Joe Security | ||
JoeSecurity_UACBypassusingCMSTP | Yara detected UAC Bypass using CMSTP | Joe Security | ||
Click to see the 24 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_WebBrowserPassView | Yara detected WebBrowserPassView password recovery tool | Joe Security | ||
JoeSecurity_WebBrowserPassView | Yara detected WebBrowserPassView password recovery tool | Joe Security | ||
JoeSecurity_WebBrowserPassView | Yara detected WebBrowserPassView password recovery tool | Joe Security | ||
JoeSecurity_WebBrowserPassView | Yara detected WebBrowserPassView password recovery tool | Joe Security | ||
JoeSecurity_Keylogger_Generic | Yara detected Keylogger Generic | Joe Security | ||
Click to see the 22 entries |
System Summary |
---|
Source: | Author: Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: frack113, Florian Roth: |
Source: | Author: Margaritis Dimitrios (idea), Florian Roth (Nextron Systems), oscd.community: |
Source: | Author: Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: pH-T (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: frack113: |
Source: | Author: Michael Haag: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Stealing of Sensitive Information |
---|
Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-14T19:50:23.552911+0100 | 2036594 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49698 | 196.251.69.63 | 2721 | TCP |
2025-03-14T19:50:24.927895+0100 | 2036594 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49701 | 196.251.69.63 | 2721 | TCP |
2025-03-14T19:50:25.012869+0100 | 2036594 | 1 | Malware Command and Control Activity Detected | 192.168.2.6 | 49700 | 196.251.69.63 | 2721 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-14T19:50:18.386488+0100 | 2018856 | 1 | A Network Trojan was detected | 176.65.144.3 | 80 | 192.168.2.6 | 49695 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-03-14T19:50:25.489094+0100 | 2803304 | 3 | Unknown Traffic | 192.168.2.6 | 49702 | 178.237.33.50 | 80 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
---|
Source: | Avira: |
Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: |
Source: | ReversingLabs: |
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Source: | Code function: | 11_2_00433B64 |
Source: | Binary or memory string: | memstr_350bf6b6-5 |
Exploits |
---|
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: | ||
Source: | File source: |
Privilege Escalation |
---|
Source: | Code function: | 11_2_00406ABC |
Source: | Binary string: | ||
Source: | Binary string: | ||
Source: | Binary string: |
Source: | Code function: | 11_2_004090DC | |
Source: | Code function: | 11_2_0040B6B5 | |
Source: | Code function: | 11_2_0041C7E5 | |
Source: | Code function: | 11_2_0040B8BA | |
Source: | Code function: | 11_2_0044E989 | |
Source: | Code function: | 11_2_00408CDE | |
Source: | Code function: | 11_2_00419CEE | |
Source: | Code function: | 11_2_00407EDD | |
Source: | Code function: | 11_2_00406F13 | |
Source: | Code function: | 11_2_040B10F1 | |
Source: | Code function: | 11_2_040B6580 | |
Source: | Code function: | 11_2_10005B50 | |
Source: | Code function: | 11_2_10007E40 | |
Source: | Code function: | 11_2_10019083 | |
Source: | Code function: | 11_2_10007510 | |
Source: | Code function: | 13_2_0040B477 | |
Source: | Code function: | 14_2_00407EF8 | |
Source: | Code function: | 15_2_00407898 |
Source: | Code function: | 11_2_00407357 |
Software Vulnerabilities |
---|
Source: | Argument value : | Go to definition | ||
Source: | Argument value : | Go to definition |
Source: | Child: |
Source: | Code function: | 9_2_008A5188 |
Source: | Memory has grown: |
Networking |
---|
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: |
Source: | Network Connect: | Jump to behavior |
Source: | IPs: |
Source: | Return value : | Go to definition | ||
Source: | Argument value : | Go to definition | ||
Source: | Argument value : | Go to definition | ||
Source: | Argument value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Argument value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Argument value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Argument value : | Go to definition | ||
Source: | Return value : | Go to definition | ||
Source: | Argument value : | Go to definition |
Source: | TCP traffic: |
Source: | HTTP traffic detected: |