MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 656194f219e95274e2a052d069b9f3863d1523ddc2ebe23c54df6a5de8149ba4. 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: 10
| SHA256 hash: | 656194f219e95274e2a052d069b9f3863d1523ddc2ebe23c54df6a5de8149ba4 |
|---|---|
| SHA3-384 hash: | 44f02f4f85c44f45e10041cbbdc49e46d9cf01ec6d1f99af26676533e1402573d9ddd90c6ba46f6a61a288606919906d |
| SHA1 hash: | 393e0a1fef5861c787d175cf80aa999caab8827f |
| MD5 hash: | ea51dc6e6bc623d025122a3c320c524a |
| humanhash: | purple-ink-carolina-magazine |
| File name: | ea51dc6e6bc623d025122a3c320c524a.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 61'462 bytes |
| First seen: | 2026-03-18 09:48:36 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | text/plain |
| ssdeep | 384:TQl7iG+RFZP7wB6DMTcfoCTDV6Qxve+q0ilL9iONpCLKO:TQl7iG+RXTwB6DMYfbTDV6Gvej5Y4pCn |
| TLSH | T1F8532ED7CA0588BBF5AA3F6CAC147BB63BC94C4545BC895995873C9F9EF86392324C00 |
| Magika | javascript |
| Reporter | |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
113
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
cryxos dwnldr virus agent
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Result
Gathering data
Verdict:
Malicious
File Type:
js
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Creates processes via WMI
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
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
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: Suspicious PowerShell IEX Execution Patterns
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 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 starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Trojan-Downloader.PowerShell.NanoShield
Threat name:
Script-JS.Trojan.Cryxos
Status:
Malicious
First seen:
2026-03-16 02:40:39 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 36 (36.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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