MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b. 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


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b
SHA3-384 hash: f2744fd0b5b61e6566f76bb76e82a84b95fe0ef9f7120e4358c07c8bd0d7c585d243f087d94c92f8a24efe88bacfed59
SHA1 hash: 43a53a2dddba4239c8c22fce1df1475636a43a82
MD5 hash: 4da8a2477833c840f479e1c0c2fd5d96
humanhash: hydrogen-burger-massachusetts-zebra
File name:CopilotDrivers.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:6'718'197 bytes
First seen:2025-11-08 08:01:33 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:0XFTw+llobKe+EK3x4s/az3Wj/mAT6qhFMP:nqrW
Threatray 1'776 similar samples on MalwareBazaar
TLSH T1986612620A8A3BDA4211CBE15F00D6CA73A995CFCF915E3DB41878EC5F53D11E0BAC69
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690ef92b30bacec888c9b78d
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/690ef90445d0218fdf1e722d/reports/6d698bd6-8f80-4823-a94a-01b6743b8372/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b
Verdict:
Malicious
File Type:
js
First seen:
2025-11-07T04:02:00Z UTC
Last seen:
2025-11-08T20:13:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen
Link:
https://opentip.kaspersky.com/c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b/results?tab=lookup
Result
Threat name:
Remcos, Caminho Loader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1810400
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
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: 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
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 Caminho Loader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810400 Sample: CopilotDrivers.js Startdate: 08/11/2025 Architecture: WINDOWS Score: 100 23 sitioseguroswpersonasapp.duckdns.org 2->23 25 systemcopilotdriver.ydns.eu 2->25 27 5 other IPs or domains 2->27 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 51 15 other signatures 2->51 8 wscript.exe 1 2->8         started        signatures3 49 Uses dynamic DNS services 23->49 process4 signatures5 53 Suspicious powershell command line found 8->53 55 Wscript starts Powershell (via cmd or directly) 8->55 57 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->57 59 2 other signatures 8->59 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 29 systemcopilotdriver.ydns.eu 181.206.158.190, 3001, 49693, 49695 ColombiaMovilCO Colombia 11->29 31 archive.org 207.241.224.2, 49690, 80 INTERNET-ARCHIVEUS United States 11->31 33 ia600202.us.archive.org 207.241.227.222, 49691, 80 INTERNET-ARCHIVEUS United States 11->33 61 Found Tor onion address 11->61 63 Writes to foreign memory regions 11->63 65 Injects a PE file into a foreign processes 11->65 15 MSBuild.exe 4 2 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 file10 21 C:\ProgramData\remcos\registros.dat, data 15->21 dropped 35 Contains functionality to bypass UAC (CMSTPLUA) 15->35 37 Detected Remcos RAT 15->37 39 Contains functionalty to change the wallpaper 15->39 41 4 other signatures 15->41 signatures11
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b
Threat name:
Binary.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-11-07 08:58:45 UTC
File Type:
Binary
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeynbsmw6xmdxfrltbwcx6n3hqp46v3bgqp45bobenox7kfujfvq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0408a0ee74343b9fb9f0e4d28cdb19ba22f7eb17cfc008380067cd4efe720f0a
RemcosRAT
0780b511b4413c846adda72e7ede6afb0398a084112bf0399d2d4041f952cfa4
RemcosRAT
259a4ac57f8484acd58a5c354bf74d677a8676e27ba38222862c45f0e95aa323
RemcosRAT
36f0e0b31d5b901268c65a2d5dd8b48a0e9c9b00a329c10be9a7be625fe5d84d
RemcosRAT
dacfee8b1805f6536369bf401c7104946429f2e68c4e7143b60d9153b23c7c76
RemcosRAT
e72ac0721aa51541d09b605b6e1d91c723ab37f463d06f18dffe78941537c54d
RemcosRAT
ec5b91ad14060b955dec4c1fcd63be9d63d66185d463ea785e5f888eee460f0b
RemcosRAT
error
RemcosRAT
+ 1'766 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:phantomvai family:remcos discovery execution loader rat
Link:
https://tria.ge/reports/251108-jxblaswlck/
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
Detects PhantomVAI loader aka VMDetectLoader, CaminhoLoader
PhantomVAI, VMDetectLoader, CaminhoLoader
Phantomvai family
Process spawned unexpected child process
Remcos
Remcos family
Malware Config
C2 Extraction:
systemcopilotdriver.ydns.eu:3001
Dropper Extraction:
http://archive.org/download/optimized_msi_20251104/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
Link:
https://yomi.yoroi.company/submissions/c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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 c930d0c996f5d83b962b986c2bf9bb3c1fcf5761341fce85c1235d7fa8b4496b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597686/
  
Delivery method
Distributed via web download

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