MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 39d4b2c2f232d51c44e28e77ef48a8f57803f053f7ab864de307f6a45fe5705e. 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: 12
| SHA256 hash: | 39d4b2c2f232d51c44e28e77ef48a8f57803f053f7ab864de307f6a45fe5705e |
|---|---|
| SHA3-384 hash: | f126086729a0338dc8c57c08dc108df5285c7a11e778c97d95ca0ef3bafe239c73d67377e20f552947c84c831d045666 |
| SHA1 hash: | 18356f3d4b4791b4afe369bde8ef25fb469a15cf |
| MD5 hash: | bd114768aa1bacea1c5f54ff8c66d021 |
| humanhash: | mountain-orange-freddie-carpet |
| File name: | Generalii-SB456365.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 64'063 bytes |
| First seen: | 2026-02-11 10:57:22 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 384:oRzWfdSZimtLZMtoBLha8NIDcuqYWMMwoDqK19ZrTXt8pJRQK/lkITJoDR+z2f3Q:oRfFNIDcuLGvEQA7okUt+ |
| Threatray | 2'686 similar samples on MalwareBazaar |
| TLSH | T17F533E6081F505BB3770377099EFD6731BF9AE80EF51894827C63C9B8DCC6390A86A94 |
| Magika | javascript |
| Reporter | Anonymous |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
131
Origin country :
CHVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Score:
97.4%
Tags:
obfuscate xtreme shell
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Verdict:
Malicious
Labled as:
JS/TrojanDownloader.Agent
Verdict:
Malicious
File Type:
js
First seen:
2026-02-10T06:41:00Z UTC
Last seen:
2026-02-10T07:06:00Z UTC
Hits:
~10
Detections:
Trojan-Downloader.PowerShell.NanoShield.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Family.REVERSELOADER
Threat name:
Script-JS.Backdoor.FormBook
Status:
Malicious
First seen:
2026-02-10 02:31:35 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 38 (28.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'676 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
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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