MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7ee227d17a1a53dfd57291d98ed6f7037145146d3bff2b5e23ea9bfb84d9b2d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



RemcosRAT


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: f7ee227d17a1a53dfd57291d98ed6f7037145146d3bff2b5e23ea9bfb84d9b2d
SHA3-384 hash: 2d3453c3413b5c503e7f2c2459684e11568ef8aadd665617838fd6f463885fdc852127f09d5f7c28b56591a70c1a3de6
SHA1 hash: 92a71f230ff240e4d149061605a0388d1a10bec5
MD5 hash: f24d9308bb70ccb74bff2bfbcdd3b89e
humanhash: item-white-carbon-michigan
File name:CopilotDrivers.js
Download: download sample
Signature RemcosRAT
File size:4'043'536 bytes
First seen:2026-01-06 07:40:39 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:6ebce0Ke7ObRexOe7EbvexGe2ObEe0Ue6OeUeV5eGeb8e0Ke1EeleaBe2Ubue0KK:92
TLSH T1031691CB433CC6C7C6664566BACF2E14F843196B8F0E6006F5866BEC971D166A7F4838
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 base64 fingerprint obfuscated obfuscated overlay powershell repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-01-05T15:57:00Z UTC
Last seen:
2026-01-05T16:28:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen HEUR:Trojan.Script.Generic
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Creates processes via WMI
Detected Remcos RAT
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Unusual module load detection (module proxying)
Uses dynamic DNS services
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 Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1845342 Sample: CopilotDrivers.js Startdate: 06/01/2026 Architecture: WINDOWS Score: 100 26 hostphpwindowsdriversappssi.duckdns.org 2->26 28 systemcopilotdriver.ydns.eu 2->28 30 11 other IPs or domains 2->30 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 48 15 other signatures 2->48 8 wscript.exe 1 2->8         started        11 svchost.exe 1 1 2->11         started        signatures3 46 Uses dynamic DNS services 26->46 process4 dnsIp5 58 Suspicious powershell command line found 8->58 60 Wscript starts Powershell (via cmd or directly) 8->60 62 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->62 64 2 other signatures 8->64 14 powershell.exe 14 15 8->14         started        32 127.0.0.1 unknown unknown 11->32 signatures6 process7 dnsIp8 34 archive.org 207.241.224.2, 443, 49692 INTERNET-ARCHIVEUS United States 14->34 36 dn720300.ca.archive.org 64.71.129.157, 443, 49693 HURRICANEUS United States 14->36 38 systemcopilotdriver.ydns.eu 181.206.158.190, 3001, 49699, 49700 ColombiaMovilCO Colombia 14->38 66 Found Tor onion address 14->66 68 Writes to foreign memory regions 14->68 70 Injects a PE file into a foreign processes 14->70 72 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->72 18 MSBuild.exe 4 2 14->18         started        22 conhost.exe 14->22         started        signatures9 process10 file11 24 C:\ProgramData\remcos\registros.dat, data 18->24 dropped 50 Contains functionality to bypass UAC (CMSTPLUA) 18->50 52 Detected Remcos RAT 18->52 54 Contains functionalty to change the wallpaper 18->54 56 5 other signatures 18->56 signatures12
Verdict:
inconclusive
YARA:
1 match(es)
Result
Malware family:
Score:
  10/10
Tags:
family:remcos discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
systemcopilotdriver.ydns.eu:3001
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Java Script (JS) js f7ee227d17a1a53dfd57291d98ed6f7037145146d3bff2b5e23ea9bfb84d9b2d

(this sample)

  
Delivery method
Distributed via web download

Comments