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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4. 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


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4
SHA3-384 hash: 29bf78bc1397b53e663ba9dc487999212b401f688074c28f1a17155e8a055bf0d34501600105210be8f997aef50789ad
SHA1 hash: ef1a4289533478dfcb68c6a43f58877f849ee588
MD5 hash: 49dda0d952a5fd590903a62b9e73695a
humanhash: blue-bacon-angel-paris
File name:Technical Parameters Polyvalcoatings.js
Download: download sample
Signature Formbook
Create hunting rule
File size:30'518 bytes
First seen:2026-09-24 13:29:19 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:3LDQ0JuS2Lv0nREyhjtUYlcQVHSDOU72krwlB9ynHnvU6/3USmZqnZcdW:bxbuA0xLH
TLSH T105D20B405982749093336B7AA726A8E8F77B067B01948943B83CB494EFF1D08DFE5DB5
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6acde08a853d431abd4dc630
Tags:
virus agent
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 encrypted evasive evasive lolbin obfuscated obfuscated opendir powershell reconnaissance repaired
Link:
https://www.filescan.io/uploads/6ab525ec29cc1e5601257f38/reports/ca4e4f02-e975-4fc0-aa1a-54c200be2d00/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4
Verdict:
Malicious
File Type:
js
First seen:
2026-09-24T07:17:00Z UTC
Last seen:
2026-09-26T11:31:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Script.Generic Backdoor.Agent.HTTP.C&C Trojan-Spy.Noon.HTTP.ServerRequest Trojan-Downloader.Agent.HTTP.C&C Trojan.JS.SAgent.sb Trojan-Downloader.JS.SLoad.sb HEUR:Trojan.PowerShell.Agent.gen HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1977683
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, 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)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1977683 Sample: Technical Parameters Polyva... Startdate: 24/09/2026 Architecture: WINDOWS Score: 100 41 www.wokbuddy.cn 2->41 43 www.trailstreamnst.asia 2->43 45 8 other IPs or domains 2->45 59 Suricata IDS alerts for network traffic 2->59 61 Antivirus detection for URL or domain 2->61 63 Yara detected Generic JS Downloader 2->63 65 9 other signatures 2->65 11 wscript.exe 21 2->11         started        signatures3 process4 dnsIp5 53 hjha.ao 94.46.180.118, 443, 49704 ALMOUROLTECPT Portugal 11->53 39 C:\TempL0HVREM.ps1, ASCII 11->39 dropped 83 System process connects to network (likely due to code injection or exploit) 11->83 85 JScript performs obfuscated calls to suspicious functions 11->85 87 Wscript starts Powershell (via cmd or directly) 11->87 89 4 other signatures 11->89 16 powershell.exe 16 11->16         started        file6 signatures7 process8 signatures9 55 Writes to foreign memory regions 16->55 57 Injects a PE file into a foreign processes 16->57 19 aspnet_compiler.exe 16->19         started        22 aspnet_compiler.exe 16->22         started        24 conhost.exe 16->24         started        26 19 other processes 16->26 process10 signatures11 67 Modifies the context of a thread in another process (thread injection) 19->67 69 Maps a DLL or memory area into another process 19->69 71 Queues an APC in another process (thread injection) 19->71 73 Found direct / indirect Syscall (likely to bypass EDR) 19->73 28 PUIgOwkMPBzYV.exe 19->28 injected 75 Unusual module load detection (module proxying) 22->75 77 Switches to a custom stack to bypass stack traces 22->77 process12 signatures13 79 Maps a DLL or memory area into another process 28->79 81 Found direct / indirect Syscall (likely to bypass EDR) 28->81 31 newdev.exe 13 28->31         started        process14 signatures15 91 Tries to steal Mail credentials (via file / registry access) 31->91 93 Tries to harvest and steal browser information (history, passwords, etc) 31->93 95 Modifies the context of a thread in another process (thread injection) 31->95 97 3 other signatures 31->97 34 W9WxEVpMdZ.exe 31->34 injected 37 firefox.exe 31->37         started        process16 dnsIp17 47 sahanicoolpoint.com 15.235.54.156, 49712, 80 OVHFR Canada 34->47 49 www.johnstefanini.com 156.241.89.238, 49713, 49717, 49718 MYCLOUD-AS-APLUOGELANGFRANCELIMITEDHK Hong Kong SAR China 34->49 51 3 other IPs or domains 34->51
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-09-24 09:49:41 UTC
AV detection:
5 of 38 (13.16%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6ccfjthjeoxjahotk3arid3qf7ut4vsn3s6egqjmrn24lyq57sa._file
Verdict:
malicious
Label(s):
FantomCrypt
Create hunting rule
Formbook
Create hunting rule
Link:
https://reports.threatray.com/914305a9-629c-42d6-bf24-429017111dee
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/260924-qrybfaee36/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Checks computer location settings
Badlisted process makes network request
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/5f8422a667491d7480ee9ab608a07b817f49f2b26ee5e21a09645bae2f10efe4

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:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
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.

Comments