MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91baa6693a7101a106695f9eac9ecbbf6d6da66fd9a64f619ef3b18b268140a6. 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: 12
| SHA256 hash: | 91baa6693a7101a106695f9eac9ecbbf6d6da66fd9a64f619ef3b18b268140a6 |
|---|---|
| SHA3-384 hash: | 2ac1cb44f41c94bdf5c7b4ae47a0cb23b92cd2e24b28cbe2a46a4276a6b681531f4d878c3dbcd9ced8d023a9f2e74b9d |
| SHA1 hash: | 9b9633c62e37fcd71ef06794fb684c7f00bb0089 |
| MD5 hash: | a47c5891e019a9ac690781fdc2802588 |
| humanhash: | avocado-uranus-neptune-black |
| File name: | CopilotDrivers.js |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 9'064'094 bytes |
| First seen: | 2026-02-16 08:46:03 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 192:M1VUe+OziF5bRwRbNUkauTVKfTQfTTD1JrOTI81n8nHhhvbasflErNohgzsRoAwo:/e/taHWabn+n |
| Threatray | 1'043 similar samples on MalwareBazaar |
| TLSH | T13796128ABFF0A488D5CD2C1C09B2BCC7DE757ABF968E18D92F0065CF87A141A9490F55 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
134
Origin country :
SEVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme shell
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell repaired
Verdict:
Malicious
Labled as:
GT:JS.ObfPadding.1
Verdict:
Malicious
File Type:
js
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
Remcos
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 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
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: PowerShell Base64 Encoded FromBase64String Cmdlet
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
Uses known network protocols on non-standard ports
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:
Verdict:
inconclusive
YARA:
1 match(es)
Verdict:
Malicious
Threat:
Family.REVERSELOADER
Threat name:
Script-JS.Trojan.ObfPadding
Status:
Malicious
First seen:
2026-02-14 01:31:31 UTC
AV detection:
9 of 23 (39.13%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'033 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:tar1 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:
systemcopilotdrivers.ydns.eu:3001
Dropper Extraction:
http://hostphpwindowsapps.ydns.eu:8011/data/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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