MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26
SHA3-384 hash: 9486d530be130f71af7264a5bae1c3e4d07d651271781305e5a72759d994ed1e7a9bf2f1af0e2804261be44e469fd6f1
SHA1 hash: b3e7f8f581dbf8cce252687ade0237cc35b688b3
MD5 hash: 102edc9c15f3f95794106525cfc54a25
humanhash: pluto-chicken-nuts-sad
File name:CopilotDrivers.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:13'865'027 bytes
First seen:2025-11-05 16:31:24 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:f2gvdgz7eIU4OduSVQUz2YjIizu7NLCm5Vgc:ugvdqLUxuSVQ2zjIizu7Nbp
TLSH T152D65B6B1D9177EA33A01EAA53AF8342D8356D13D85202CE0F6D27966FBD7C33A9011D
Magika javascript
Reporter abuse_ch
Tags:js RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690b7c19ea0f3e915c23328f
Tags:
obfuscate xtreme spawn
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
repaired
Link:
https://www.filescan.io/uploads/690b7c164425b0b1fd164ca5/reports/78706402-709f-47b5-86c1-5cc1a3556f29/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26
Verdict:
Unknown
File Type:
js
First seen:
2025-11-04T16:39:00Z UTC
Last seen:
2025-11-04T16:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
evad.rans.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1808718
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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 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: 1808718 Sample: CopilotDrivers.js Startdate: 05/11/2025 Architecture: WINDOWS Score: 100 23 hostphpwindowsdriversappsos.duckdns.org 2->23 25 systemcopilotdriver.ydns.eu 2->25 27 ia601501.us.archive.org 2->27 41 Suricata IDS alerts for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 49 10 other signatures 2->49 8 wscript.exe 1 2->8         started        signatures3 47 Uses dynamic DNS services 23->47 process4 signatures5 51 Suspicious powershell command line found 8->51 53 Wscript starts Powershell (via cmd or directly) 8->53 55 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->55 57 2 other signatures 8->57 11 powershell.exe 14 16 8->11         started        process6 dnsIp7 29 systemcopilotdriver.ydns.eu 181.206.158.190, 3001, 49763, 49764 ColombiaMovilCO Colombia 11->29 31 ia601501.us.archive.org 207.241.227.111, 49762, 80 INTERNET-ARCHIVEUS United States 11->31 59 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 63 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->63 15 MSBuild.exe 4 3 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 file10 21 C:\ProgramData\remcos\registros.dat, data 15->21 dropped 33 Contains functionality to bypass UAC (CMSTPLUA) 15->33 35 Detected Remcos RAT 15->35 37 Contains functionalty to change the wallpaper 15->37 39 4 other signatures 15->39 signatures11
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26/
Verdict:
Malicious
Threat:
Family.PHANTOMVAI
Link:
https://tip.neiki.dev/file/15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26
Threat name:
Script-JS.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2025-11-05 09:02:24 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 23 (30.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cxig6d33np37g36vcllymzd6yubpp47fxa4367oh574giwlybuta._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:phantomvai family:remcos discovery execution loader rat
Link:
https://tria.ge/reports/251105-t14flawmcn/
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://ia601501.us.archive.org/18/items/optimized_msi_20251031_1640/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26

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 15d06f0f7b6bf7f36fd512d786647ec502f7f3e5b839bf7dc7eff86459780d26

(this sample)

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

Comments