MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592. 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: 39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592
SHA3-384 hash: d8f7733dad5baf598de71e34e61375edf8ef26db8c7258193a71d1c2ad061511d52780e4ce70adbb1de770cef6a542a9
SHA1 hash: 849f4c980ff041eebd4db83eee8fc32a9e7d03fe
MD5 hash: 770d163e79607293632aaa8b0c45a6c7
humanhash: hamper-coffee-music-vegan
File name:CopilotDrivers.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:951'094 bytes
First seen:2025-08-08 16:45:54 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:GEonFXUqCl6WbHUoYF0Kuwx/toAHvrrpMABFHRUfJqbpDVVsDz+fzSKUz5+jBplj:M
Threatray 1'293 similar samples on MalwareBazaar
TLSH T182156FB3250950D2AA364FEB9B5BD0CE584407258775E0F5D763CC6AC6DEE80E1B8B38
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689629fb1e8a59ee04e78a0b
Tags:
obfuscate xtreme spawn
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753171
Signature
Bypasses PowerShell execution policy
Creates processes via WMI
Found Tor onion address
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: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
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 PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
33%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-08-07 18:50:00 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hha64qiznudh273ozsotb2atvrmun6gghxcbowkio4ewpr2luwja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0780b511b4413c846adda72e7ede6afb0398a084112bf0399d2d4041f952cfa4
RemcosRAT
36f0e0b31d5b901268c65a2d5dd8b48a0e9c9b00a329c10be9a7be625fe5d84d
RemcosRAT
58f594c518e9fdb8834536ca003f068ef18cd17dfa7638651631f22713fa9041
RemcosRAT
68ff3ce1de760e7c481902c645f21eb683c386df14cc29b4365931eed481e26b
RemcosRAT
6c8bf9af8efbeab08c75ab3a00492e0a60c490362265726064bcfa633228f48b
RemcosRAT
89b5724cc6f47227d806e6383d1da6534f28e1d3be5a914c89d3fe2689c6a1f8
RemcosRAT
a541c263938c611b0b22ad6c47524e879046091a802c9bcf7f985f893b9c31bd
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d25591f0627f988edceb12fdadef30e4a856b1fa016f10043cdf2379ac234b2c
RemcosRAT
error
RemcosRAT
+ 1'283 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution rat
Link:
https://tria.ge/reports/250808-vaaahazrv6/
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
Blocklisted 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.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592

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 39c1ee41196d067d7f6ecc9d30e813ac5946f8c63dc4175948770967c74ba592

(this sample)

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

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