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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7. 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
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SHA256 hash: 3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7
SHA3-384 hash: 431fdfff8d480e9a728820bb70cfca7374343abaf8f7d4cb3949b2bb6ca84d77a1b9f72d9668651c0f364e2ccbf467cb
SHA1 hash: 81fc3fb39c634ce7f560deea603c2c373a9b60bb
MD5 hash: 9ac1365d08ddb62c0f159d53a8286228
humanhash: helium-saturn-friend-lion
File name:SHSRPSCAN_20261015_140030.js
Download: download sample
Signature Formbook
Create hunting rule
File size:35'952 bytes
First seen:2026-10-15 06:11:59 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 768:rZFmWrA9hmbkjFCZqpm1MzJGv9VovMvtMgA2QHUOCmQ0VLk5+pn6jdGQ6KF6UvRp:VF3+oKHE9GOCKU0h5
TLSH T193F20944068578849733AB3FAA1698E4FB7B067701884503B87CB894EFF2D18DEE4DB1
Magika javascript
Reporter lowmal3
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
206
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad199db6f551121ba1672f5
Tags:
virus shell spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
encrypted evasive obfuscated powershell repaired
Link:
https://www.filescan.io/uploads/6ad06ec31be85035e85ea090/reports/b2aecc57-2f5f-4d70-8300-907af760cf7d/overview
Verdict:
Malicious
Labled as:
JS/Packed.Agent
Link:
https://www.hybrid-analysis.com/sample/3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7
Verdict:
Malicious
File Type:
js
First seen:
2026-10-15T02:59:00Z UTC
Last seen:
2026-10-17T04:35:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7/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/1987381
Signature
AI detected malicious Powershell script
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
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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: 1987381 Sample: SHSRPSCAN_20261015_140030.js Startdate: 15/10/2026 Architecture: WINDOWS Score: 100 35 www.4526611.xyz 2->35 37 www.kgigwwlosan.pl 2->37 39 20 other IPs or domains 2->39 61 Suricata IDS alerts for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 69 10 other signatures 2->69 8 wscript.exe 21 2->8         started        13 G4wCCEUoK7F.exe 2->13 injected 15 CMPTHY1usSnDMI.exe 2->15 injected signatures3 67 Performs DNS queries to domains with low reputation 35->67 process4 dnsIp5 41 goldmastersoft.ir 130.193.77.100, 443, 49722 MOBINONEMobinOneKishIR Iran 8->41 33 C:\Temp\JDU1NOLU.ps1, ASCII 8->33 dropped 83 System process connects to network (likely due to code injection or exploit) 8->83 85 JScript performs obfuscated calls to suspicious functions 8->85 87 Wscript starts Powershell (via cmd or directly) 8->87 93 4 other signatures 8->93 17 powershell.exe 16 8->17         started        89 Maps a DLL or memory area into another process 13->89 91 Found direct / indirect Syscall (likely to bypass EDR) 13->91 20 w32tm.exe 13 13->20         started        43 www.kgigwwlosan.pl 172.67.216.38, 49765, 49766, 49767 CLOUDFLARENET-CloudflareIncUS Canada 15->43 45 uixie.porkbun.com 207.207.210.50, 49729, 49730, 49731 NETCARRIER-NetCarrierIncUS United States 15->45 47 8 other IPs or domains 15->47 file6 signatures7 process8 signatures9 49 Writes to foreign memory regions 17->49 51 Injects a PE file into a foreign processes 17->51 22 aspnet_compiler.exe 17->22         started        25 aspnet_compiler.exe 17->25         started        27 conhost.exe 17->27         started        31 31 other processes 17->31 53 Tries to steal Mail credentials (via file / registry access) 20->53 55 Tries to harvest and steal browser information (history, passwords, etc) 20->55 57 Modifies the context of a thread in another process (thread injection) 20->57 59 3 other signatures 20->59 29 firefox.exe 20->29         started        process10 signatures11 71 Modifies the context of a thread in another process (thread injection) 22->71 73 Maps a DLL or memory area into another process 22->73 75 Queues an APC in another process (thread injection) 22->75 77 Found direct / indirect Syscall (likely to bypass EDR) 22->77 79 Unusual module load detection (module proxying) 25->79 81 Switches to a custom stack to bypass stack traces 25->81
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-15 06:12:39 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 22 (22.73%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gucggw3x4jpj5v7ibav3ezgez2gmjozuet57jpcee57usrvdpw3q._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/ae6d142a-6121-41e2-99e8-5a17a5e39d3e
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/261015-gyc5eafz21/
Behaviour
Command and Scripting Interpreter: JavaScript
Reads the TCP/IP host and domain name from the registry
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/3504635b77e25e9ed7e8082bb264c4ce8cc4bb3424fbf4bc44277f4946a37db7

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