MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47cf8deac585b838fe099e469370c7e0ed3f04a5e6f8e240d9d83da6d9624a19. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments

SHA256 hash: 47cf8deac585b838fe099e469370c7e0ed3f04a5e6f8e240d9d83da6d9624a19
SHA3-384 hash: a2d497a2bbbde33dd1e9493855d226651c24040edf203fc83eb000bbefe3a0b569d8d5a732e919338340bd621a8ce2e8
SHA1 hash: feda65109797ac28f4d8c417e0367ccc4eb928ee
MD5 hash: bca369c9295a3b29cfc25ac8963da281
humanhash: dakota-venus-south-king
File name:CopilotDrivers.js
Download: download sample
Signature RemcosRAT
File size:196'847 bytes
First seen:2026-01-15 06:27:12 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:25yP5TNaLqs6ROplN9nhF92+4tqBysbP0RQlTlTDsdWU3r1pkiKl:bhwzeOx9nhFxxTodWU71KiKl
TLSH T1F41495BC79B23BF42885D27E18E4CB11F4225FD2E0756B2269075EE09D4B5900E1F6EB
Magika javascript
Reporter abuse_ch
Tags:js RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
158
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:
2026-01-15T01:29:00Z UTC
Last seen:
2026-01-15T12:48:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
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)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Reflective Assembly Load
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Text.Trojan.Generic
Status:
Suspicious
First seen:
2026-01-15 06:27:27 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.

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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

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 47cf8deac585b838fe099e469370c7e0ed3f04a5e6f8e240d9d83da6d9624a19

(this sample)

  
Delivery method
Distributed via web download

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