MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb. 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


WSHRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb
SHA3-384 hash: fd3c9da67ad8f24843bda99356a71866eabde0e73ba610be7a6da1be0af6c70554ca00222aacdb77af3796c6d29e886c
SHA1 hash: 3d5d0a8ba024d969c61cdea6bdcbc8cf8db5a84e
MD5 hash: 8b2bab2a311fb6a725363e5c42188394
humanhash: colorado-california-kansas-golf
File name:oke.js
Download: download sample
Signature WSHRAT
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File size:313'037 bytes
First seen:2026-07-16 07:03:12 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:Zv4wu5h3VB4/HjheQzoJuQfKt3T3fVrC83e3G3aQD8wRJo5O+VPCWYN58Ypu3BgW:u
TLSH T11F640B846DFD22C70360F10F6FA1B33FC5BB6025B8A14DBB44866B9B9119D625A237DC
Magika javascript
Reporter abuse_ch
Tags:js RAT wshrat

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Trojan.NanoCore.15.2490.26072.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a588342b3055706bb556a91
Tags:
autorun houdini dunihi worm
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd evasive explorer fingerprint houdini lolbin nanocorerat obfuscated persistence reconnaissance repaired wscript
Link:
https://www.filescan.io/uploads/6a5882d0df70bd390489a365/reports/c83dd751-8222-46fd-bc52-2702c08acea6/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb
Verdict:
Malicious
File Type:
js
First seen:
2026-07-15T06:17:00Z UTC
Last seen:
2026-07-16T03:00:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb/results?tab=lookup
Result
Threat name:
WSHRat
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1943332
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected WSHRat
Drops script or batch files to the startup folder
Found malware configuration
JavaScript source code contains call to eval containing suspicious API calls
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected WSHRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1943332 Sample: oke.js Startdate: 16/07/2026 Architecture: WINDOWS Score: 100 33 wagosinga.ydns.eu 2->33 37 Sigma detected: Register Wscript In Run Key 2->37 39 Suricata IDS alerts for network traffic 2->39 41 Found malware configuration 2->41 43 15 other signatures 2->43 7 wscript.exe 2 5 2->7         started        11 wscript.exe 1 2->11         started        13 wscript.exe 2->13         started        15 wscript.exe 2->15         started        signatures3 process4 file5 23 C:\Users\user\...\oke.js:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Roaming\...\oke.js, ASCII 7->25 dropped 27 C:\Users\user\...\oke.js:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\Temp\oke.js, ASCII 7->29 dropped 45 Detected WSHRat 7->45 47 JScript performs obfuscated calls to suspicious functions 7->47 49 Drops script or batch files to the startup folder 7->49 57 2 other signatures 7->57 17 wscript.exe 22 7->17         started        51 WScript reads language and country specific registry keys (likely country aware script) 11->51 53 Wscript called in batch mode (surpress errors) 11->53 21 wscript.exe 11->21         started        55 System process connects to network (likely due to code injection or exploit) 13->55 signatures6 process7 dnsIp8 31 wagosinga.ydns.eu 109.122.18.70, 49717, 49718, 49719 PERFECT-INTERNATIONAL-PerfectInternationalIncUS United States 17->31 35 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->35 signatures9
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb/
Threat name:
Script-JS.Backdoor.NanoCore
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Status:
Malicious
First seen:
2026-07-15 12:56:15 UTC
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwolmrlttnfwxmur3tcmkopgh7k3m5hl7cn4sonr2a6f4autdtnq._file
Result
Malware family:
wshrat
Create hunting rule
Score:
  10/10
Tags:
family:wshrat execution persistence trojan
Link:
https://tria.ge/reports/260716-hxahkafs7l/
Behaviour
Modifies registry class
Script User-Agent
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Badlisted process makes network request
Family: WSHRAT
Malware Config
C2 Extraction:
http://wagosinga.ydns.eu:7045
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8d9cb645739b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb

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
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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

WSHRAT

Java Script (JS) js 8d9cb645739b4b6bb291dcc4c539e63fd5b674ebf89bc939b1d03c5e02931cdb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3886727/
  
Delivery method
Distributed via web download

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