MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552
SHA3-384 hash: b1621ffa128bca2bf33686242d3f43932b2905b05ed45de6e64d92d936f843052526a8f16793d84cc207e9d5a104ecd1
SHA1 hash: 68ec9f3d639ab4c047ecb33c360ed9d04cf08da5
MD5 hash: b9ee94299e506c3d079daaeca3f49dff
humanhash: vegan-cola-early-september
File name:WMIEventLogs.js
Download: download sample
File size:4'269'203 bytes
First seen:2025-10-22 12:55:48 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:UUNXa/tGsNG4mFrQR4+epzf0Le+J9YQwK0n52Z+Z/4mPfTWpeznPsY3PEc1XYamp:ttatGNNb+JXErWpIXPEc1obz
TLSH T1A51632D3B1D9605089683B7BDF2042CFF9054E8EFC4347D9B4A605E48BBD2217B61BA9
Magika javascript
Reporter abuse_ch
Tags:js

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27200.JsHeur.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.JS.Downloader-24.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.JS.Downloader-23.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f8d4b73edd081eba40bc5a
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 evasive fingerprint obfuscated powershell
Link:
https://www.filescan.io/uploads/68f8d4cd1384670fbd577d4e/reports/ad7836b1-bdb6-4fe4-b7e3-56954b6076ec/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552
Verdict:
Malicious
File Type:
js
First seen:
2025-10-21T15:27:00Z UTC
Last seen:
2025-10-23T10:08:00Z UTC
Hits:
~10
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1799805
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
Found Tor onion address
JavaScript file contains suspicious strings
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)
Multi AV Scanner detection for submitted file
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1799805 Sample: WMIEventLogs.js Startdate: 22/10/2025 Architecture: WINDOWS Score: 100 20 ia800603.us.archive.org 2->20 22 archive.org 2->22 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected Powershell download and execute 2->34 36 6 other signatures 2->36 8 wscript.exe 1 2->8         started        11 svchost.exe 1 1 2->11         started        signatures3 process4 dnsIp5 38 Suspicious powershell command line found 8->38 40 Wscript starts Powershell (via cmd or directly) 8->40 42 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->42 44 2 other signatures 8->44 14 powershell.exe 14 15 8->14         started        24 127.0.0.1 unknown unknown 11->24 signatures6 process7 dnsIp8 26 archive.org 207.241.224.2, 49681, 80 INTERNET-ARCHIVEUS United States 14->26 28 ia800603.us.archive.org 207.241.230.63, 49682, 80 INTERNET-ARCHIVEUS United States 14->28 46 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 14->46 48 Found Tor onion address 14->48 50 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 14->50 52 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->52 18 conhost.exe 14->18         started        signatures9 process10
Score:
19%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
PowerShell
Link:
https://app.malva.re/file/b9ee94299e506c3d079daaeca3f49dff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2025-10-22 10:12:25 UTC
File Type:
Binary
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwaqg7df4qzshlssfcvlt3qdajwxep5juijz5eadfylz2sslgvja._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
execution
Link:
https://tria.ge/reports/251022-p7bxpsdy6h/
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:
http://archive.org/download/optimized_msi_20251021_1350/optimized_MSI.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552

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 8581037c65e43323ae5228aab9ee03026d723fa9a2139e90032e179d4a4b3552

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597685/
  
Delivery method
Distributed via web download

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