MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11
SHA3-384 hash: eee2e8fa338fc89547ab89e089cd5e522e0969bbdc6f10a7b5abdfe43dd0cf3b5db86dd61cd08c9ecef7755264a5b236
SHA1 hash: ad95097bc3db7d880f434c5693cb9ff1d1b946a7
MD5 hash: bf8340d9d1ea93e08410fd09fadf2b71
humanhash: wisconsin-sixteen-west-potato
File name:CopilotDrivers.js
Download: download sample
File size:2'265'610 bytes
First seen:2025-09-25 07:41:45 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:Eiz3gehLaHzjbXoLoVK/pRQiz3gehLaHzjbXoLoVK/pAiz3gehLaHzjbXoLoVK/0:R3R0/b4r/B3R0/b4r/n3R0/b4r/0
Threatray 216 similar samples on MalwareBazaar
TLSH T1FBA5CB638F30770588062C3BC769A7B3B3C48A3750AFF65A7D97B61DA03C645C4A9B46
Magika txt
Reporter abuse_ch
Tags:js

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d54cde1e4783989051eda7
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated obfuscated powershell
Link:
https://www.filescan.io/uploads/68d4f2726c140e5b35fe1a4d/reports/c9ea9e7f-90af-42b9-8667-a8f1a8405445/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11
Verdict:
Malicious
File Type:
js
First seen:
2025-09-25T04:48:00Z UTC
Last seen:
2025-09-25T04:48:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen
Link:
https://opentip.kaspersky.com/39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1783767
Signature
Creates processes via WMI
Found Tor onion address
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
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
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:
86%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11/
Verdict:
Malicious
Threat:
Trojan.Script.SAgent
Link:
https://tip.neiki.dev/file/39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-09-25 07:42:20 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgwi5o7efzlmjkb3gvyrdfjkwbykkw2cuzktd7axbaccb2z4j4iq._file
Verdict:
malicious
Label(s):
katzstealer
Create hunting rule
Similar samples:
373ca2f299acaf012ed9dfbae70579e10f49d881f669ef215e6d611faa78c818
413b2af361ffa56b560b8eb5f666388117eb2d3ec5cffe22f2c4258376a0a563
6f5670882b83421ad7ed4d3348c4389a4fded6f1625b42eabf9d671383055b0c
7b37e8bb233c33fbcf93a2edbe88653be60651ff55a965c694d990015e693399
a44f87a7e95409b0403eb626bd0afdb304a583a9da98c9fb6338cbdfb988c2e5
d9fe09a4c63d64a5adf1bdd5a04034401831f76b7330547a991fe4bf29cf419f
dccde739186bcc2b12daae93ada247895c811ec080cf06fd4d431d2caecdc196
error
fd842c505db96c6967b882917002e649df2d889043686c1e0664ee95839660a7
+ 206 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/250925-jjy5fadq4y/
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
Malware Config
Dropper Extraction:
https://archive.org/download/optimized_msi_20250917/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/39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11

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

Java Script (JS) js 39ac8ebbe42e56c4a83b357111952ab070a55b42a65531fc17080420eb3c4f11

(this sample)

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

Comments