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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdb0561ed3d706047ca75809e2ef7754cd36d99b40856d044b8c1174ba657f7f. 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



PureLogsStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: bdb0561ed3d706047ca75809e2ef7754cd36d99b40856d044b8c1174ba657f7f
SHA3-384 hash: e1d0e55f46eef4d48c1e4692a82e7bd093625a607a37cbe3f091d98e60287d779dccab9d81f7f84b50042c1ed7cc829c
SHA1 hash: 7e006d030d01f09c7ec12e489781b59d790f3936
MD5 hash: f5d3fcb8a8a7a5f74cef3765a3c2f3ed
humanhash: fifteen-one-beryllium-louisiana
File name:avtar.js
Download: download sample
Signature PureLogsStealer
File size:6'108'954 bytes
First seen:2026-10-27 16:07:15 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 98304:R3eIIaQCz1hKrsBd2Cj6DKFNxZR90tIy3Dc7kYfsZSGPrIHMYOelnjMhFOq0AWCI:NM99hssPJXe3udq96aEuHfDk9wQCAH5s
TLSH T12D567D490357E6C2B0EC3A18C91AEEE57A1D644BAF61DE39763C95AF9748E03330C761
Magika javascript
Reporter abuse_ch
Tags:js PureLogsStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
190
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
infosteal shell sage
Gathering data
Verdict:
Malicious
File Type:
js
First seen:
2026-10-26T15:19:00Z UTC
Last seen:
2026-10-29T11:55:00Z UTC
Hits:
~10
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Signature
Creates a thread in another existing process (thread injection)
Executes Lua script
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1993012 Sample: avtar.js Startdate: 27/10/2026 Architecture: WINDOWS Score: 100 30 JavaScript source code contains functionality to generate code involving a shell, file or stream 2->30 32 Sigma detected: Potentially Suspicious Malware Callback Communication 2->32 34 Sigma detected: WScript or CScript Dropper 2->34 7 wscript.exe 1 4 2->7         started        process3 signatures4 36 Windows Scripting host queries suspicious COM object (likely to drop second stage) 7->36 38 WScript reads language and country specific registry keys (likely country aware script) 7->38 40 Executes Lua script 7->40 10 WVLOXFEVKOANNASA.exe 14 5 7->10         started        14 cmd.exe 1 7->14         started        process5 dnsIp6 26 38.49.213.170, 2443, 49723, 49724 RICAWEBSERVICES-RicaWebServicesCA Canada 10->26 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->42 44 Tries to steal Mail credentials (via file / registry access) 10->44 46 Tries to harvest and steal browser information (history, passwords, etc) 10->46 48 6 other signatures 10->48 17 chrome.exe 2 10->17         started        20 conhost.exe 10->20         started        24 C:\Users\user\...\avtar.js:Zone.Identifier, ASCII 14->24 dropped 22 conhost.exe 14->22         started        file7 signatures8 process9 signatures10 28 Found many strings related to Crypto-Wallets (likely being stolen) 17->28
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated Javascript JS Emulation Trace PowerShell PowerShell Call Scripting.FileSystemObject T1027 T1059.001 T1059.007 WScript.Shell
Threat name:
Script-JS.Downloader.ModiLdr
Status:
Malicious
First seen:
2026-10-26 16:17:43 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 37 (29.73%)
Threat level:
  3/5
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:donutloader collection discovery execution loader spyware stealer
Behaviour
Enumerates system info in registry
Modifies registry class
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Time Discovery
Accesses Microsoft Outlook profiles
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Detects DonutLoader
Family: DonutLoader
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)
Rule name:SUSP_VBS_Randomized_ActiveX_Downloader
Author:Marjoriefort
Description:Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:Veille fraicheur 2026-09-14 / grappe VBS randomisee

File information


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

Web download

PureLogsStealer

Java Script (JS) js bdb0561ed3d706047ca75809e2ef7754cd36d99b40856d044b8c1174ba657f7f

(this sample)

  
Delivery method
Distributed via web download

Comments