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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51c35d576c037a5479a89da8fc6f94e3d3c0c24343fd9686ef6f75eae4ca8e65. 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 File information Comments

SHA256 hash: 51c35d576c037a5479a89da8fc6f94e3d3c0c24343fd9686ef6f75eae4ca8e65
SHA3-384 hash: 7e6fe4f3d82d22fec2b62adc7a45955b9623535e2a92a0ca6610cf7a2cbb54f0c73b8497c25c98cd8223e87183bd2b63
SHA1 hash: 5452d22f28f71b69ec954b3387c04ec22e5877d1
MD5 hash: 555c995df75379f17fae42f1485f94cc
humanhash: tango-ack-eighteen-ten
File name:Purchase Order Quote_Confirmation_November07-2025_pdf.js
Download: download sample
Signature PureLogsStealer
File size:2'109'818 bytes
First seen:2026-06-30 06:56:39 UTC
Last seen:2026-07-03 18:01:52 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:bjvmC8QKHoR3X41ZBzAf+Xy2QKsNzp5MZp1N:/KHO8b
Threatray 67 similar samples on MalwareBazaar
TLSH T149A561289B65605F3674B7D099E001CA422EFE97D3EB494901784CDE87374292B7ABFC
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika lisp
Reporter lowmal3
Tags:js PureLogsStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
165
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
96.5%
Tags:
stration trojan virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 conhost downloader encrypted evasive lolbin masquerade obfuscated powershell repaired wscript
Verdict:
Malicious
File Type:
js
First seen:
2026-06-29T19:19:00Z UTC
Last seen:
2026-07-02T05:38:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Generic
Result
Threat name:
PureLogs Stealer
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Powershell scriptblock execution from environment variable
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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)
Yara detected AntiVM3
Yara detected MSIL Injector
Yara detected PureLogs Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1935398 Sample: Purchase Order Quote_Confir... Startdate: 30/06/2026 Architecture: WINDOWS Score: 100 27 royalcare-sy.com 2->27 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected PureLogs Stealer 2->53 55 5 other signatures 2->55 10 wscript.exe 1 1 2->10         started        signatures3 process4 signatures5 57 JScript performs obfuscated calls to suspicious functions 10->57 59 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->59 61 Suspicious execution chain found 10->61 63 2 other signatures 10->63 13 conhost.exe 10->13         started        process6 process7 15 powershell.exe 15 20 13->15         started        dnsIp8 37 royalcare-sy.com 65.108.100.105, 49702, 80 HETZNER-ASDE Finland 15->37 39 5.101.84.202, 49704, 49708, 49733 AS-GLOBALTELEHOST-GTHostUS Netherlands 15->39 41 Creates an undocumented autostart registry key 15->41 43 Tries to steal Mail credentials (via file / registry access) 15->43 45 Found many strings related to Crypto-Wallets (likely being stolen) 15->45 47 5 other signatures 15->47 19 chrome.exe 1 15->19         started        22 chrome.exe 2 15->22 injected signatures9 process10 dnsIp11 29 192.168.2.5, 138, 443, 49697 unknown unknown 19->29 24 chrome.exe 19->24         started        process12 dnsIp13 31 www.google.com 142.251.155.119, 443, 49713, 49718 GOOGLE-GoogleLLCUS United States 24->31 33 mobile-gtalk.l.google.com 142.251.163.188, 49732, 5228 GOOGLE-GoogleLLCUS United States 24->33 35 5 other IPs or domains 24->35
Gathering data
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-06-29 22:23:09 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution persistence
Behaviour
Enumerates system info in registry
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
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Time Discovery
Drops file in Windows directory
Accesses Microsoft Outlook profiles
Checks computer location settings
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

PureLogsStealer

Java Script (JS) js 51c35d576c037a5479a89da8fc6f94e3d3c0c24343fd9686ef6f75eae4ca8e65

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments