MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3. 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: 10


Intelligence 10 IOCs YARA File information Comments
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SHA256 hash: f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3
SHA3-384 hash: 4f318fc4ffd775a7fe57221cb8705c9ae24db55182b8cae1fdec4a63e89e69dada78c3d737fed7c988b1fe13ed6682bd
SHA1 hash: 8cb85898c0f39a2e2e85cba0af78444e6f37919e
MD5 hash: 2f4f171f462856936201e50297de1ac7
humanhash: virginia-lithium-finch-nitrogen
File name:Doc-759201638054-_rN5F4XGCVqQjmFkBYvWl.js
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:25'368'851 bytes
First seen:2026-02-23 11:56:37 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:8TRUBJVIfNn5oHBwR3iWKpLTM0b+ZNm8RL47yESQyD97Df89oMhWlFjyt/qrKZyP:k
TLSH T1DD4712641215FDD3C4120E17DC3B3A34BE526B8E2D79BAEAB61C93D6C6C758497C23A0
Magika javascript
Reporter abuse_ch
Tags:js PureLogsStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.VBS.Obfus-152.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=699c40a1c950ab5d9ab0c9c1
Tags:
obfuscate xtreme blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/699c409e9eaae846593ded3e/reports/95d89342-ccfa-422a-8339-7651c311d0f2/overview
Verdict:
Malicious
Labled as:
GT:JS.ObfPadding.1
Link:
https://www.hybrid-analysis.com/sample/f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3
Verdict:
Malicious
File Type:
js
Detections:
Trojan-Downloader.MSIL.Agent.c Trojan.MSIL.DOTHETUK.sb Trojan.MSIL.Crypt.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan-Downloader.MSIL.Seraph.d
Link:
https://opentip.kaspersky.com/f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3/results?tab=lookup
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1873345
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Creates processes via WMI
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal Bitcoin Wallet information
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 starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1873345 Sample: Doc-759201638054-_rN5F4XGCV... Startdate: 23/02/2026 Architecture: WINDOWS Score: 100 42 ia600506.us.archive.org 2->42 44 shed.dual-low.part-0012.t-0009.t-msedge.net 2->44 46 4 other IPs or domains 2->46 66 Suricata IDS alerts for network traffic 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus detection for URL or domain 2->70 72 10 other signatures 2->72 10 wscript.exe 1 2->10         started        13 MSBuild.exe 1 2->13         started        signatures3 process4 signatures5 82 Suspicious powershell command line found 10->82 84 Wscript starts Powershell (via cmd or directly) 10->84 86 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->86 88 2 other signatures 10->88 15 powershell.exe 14 16 10->15         started        20 conhost.exe 1 13->20         started        process6 dnsIp7 58 ia600506.us.archive.org 207.241.227.186, 443, 49724 INTERNET-ARCHIVEUS United States 15->58 60 raw.githubusercontent.com 185.199.111.133, 443, 49725 FASTLYUS Netherlands 15->60 40 C:\Users\Public\Downloads40ame_File, JPEG 15->40 dropped 62 Writes to foreign memory regions 15->62 64 Injects a PE file into a foreign processes 15->64 22 MSBuild.exe 15 6 15->22         started        26 conhost.exe 15->26         started        file8 signatures9 process10 dnsIp11 54 38.180.242.203, 49726, 49727, 49728 COGENT-174US United States 22->54 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal browser information (history, passwords, etc) 22->76 78 Writes to foreign memory regions 22->78 80 4 other signatures 22->80 28 chrome.exe 1 22->28         started        31 chrome.exe 22->31 injected 33 chrome.exe 22->33 injected 35 4 other processes 22->35 signatures12 process13 dnsIp14 56 192.168.2.4, 138, 443, 49403 unknown unknown 28->56 37 chrome.exe 28->37         started        process15 dnsIp16 48 www.google.com 142.250.217.4, 443, 49733, 49734 GOOGLEUS United States 37->48 50 googlehosted.l.googleusercontent.com 142.250.65.65, 443, 49742 GOOGLEUS United States 37->50 52 clients2.googleusercontent.com 37->52
Score:
3%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/2f4f171f462856936201e50297de1ac7
Gathering data
Verdict:
Malicious
Threat:
Family.PUREHVNC
Link:
https://tip.neiki.dev/file/f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3
Threat name:
Script-JS.Trojan.ObfPadding
Create hunting rule
Status:
Malicious
First seen:
2026-02-23 11:57:30 UTC
File Type:
Binary
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6tx4xzgdm52rlmf6el27muvvwpi5ikpegqru3v2oastw3hqtkpbq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery execution
Link:
https://tria.ge/reports/260223-n4ptqagz4f/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
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
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://ia600506.us.archive.org/11/items/amd_msi/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/f4efcbe4c3677515b0be22f5f652b5b3d1d429e434234dd74e04a76d9e1353c3

File information

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

Comments