MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2. 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


Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2
SHA3-384 hash: 25cca31189b3967ec97ffb28166303b02f60943ad10671cc5ac8af30a8f33d9e744aef425d539313a227e18bff0d1f84
SHA1 hash: 92cbcdea014d0360f992ba346bed2aa588c9f1d2
MD5 hash: e9db60b53afcf920ae00cc8eb74e6854
humanhash: alabama-hamper-single-orange
File name:CopilotDrivers.js
Download: download sample
File size:2'307'443 bytes
First seen:2025-08-23 09:29:33 UTC
Last seen:2025-08-24 08:01:27 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:eqSoXtZc6fsGcAPVhsXVIi73aTZDU1OqOhCwSvvJD4+9g9iR1tyDzYqV9u7390jp:eqSottcsGO9CwSLUa8qW
TLSH T12DB5AE0DD5B33E1F990098AF8206628A73CDD54ED6A1E17DE33ED1A9E31602CE1B55B3
Magika javascript
Reporter abuse_ch
Tags:js systemcopilotdriver-ydns-eu

Intelligence

File Origin
# of uploads :
2
# of downloads :
55
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a98a076eed937d746d3183
Tags:
obfuscate xtreme spawn
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2
Verdict:
Malicious
File Type:
js
First seen:
2025-08-23T02:01:00Z UTC
Last seen:
2025-08-23T02:01:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1763564
Signature
Creates processes via WMI
Found Tor onion address
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: WScript or CScript Dropper
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)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-08-23 01:00:30 UTC
File Type:
Text (VBS)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwuljweuz67kker4vxyv4qbactktkj4b6jihovi3dbolqgqt7gza._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion execution
Link:
https://tria.ge/reports/250823-lf9g4stsbt/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://archive.org/download/optimized_msi_20250821/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/85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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)
Rule name:Warp
Create hunting rule
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Create hunting rule
Author:Seth Hardy
Description:Warp Identifying Strings

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Java Script (JS) js 85a8b4d894cfbea5123cadf15e402014d5352781f25077551b185cb81a13f9b2

(this sample)

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

Comments