MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 79940efa2306d8d62d7ec4b8a30e708682e3fcd198896d508990df2546d6447c. 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: | 79940efa2306d8d62d7ec4b8a30e708682e3fcd198896d508990df2546d6447c |
|---|---|
| SHA3-384 hash: | 07915e6460b7488271790545f1405f1921cca3748d9e1923c217a342102aa14774a2d0c68eae5fc1ad00dd063f453347 |
| SHA1 hash: | 74c2f159f4e73b0e0cf05d1ad631ff361a4e7a9a |
| MD5 hash: | 197164fb0a7b96aaaca092760f3ec419 |
| humanhash: | delta-lactose-hydrogen-football |
| File name: | 197164fb0a7b96aaaca092760f3ec419.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 61'515 bytes |
| First seen: | 2026-03-14 19:13:48 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 384:vOS11mX131GeBk/rxAnB/hN4f/DyBdl9JFWPjsaS0mOwVzL5:vTA6eYiuGzgw7h |
| Threatray | 2'669 similar samples on MalwareBazaar |
| TLSH | T12653EDF6E174CF8846B7BA705FCA286E34AFE41B42176F5D9DB124D9A9C250C2C047B8 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
167
Origin country :
SEVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Score:
94.1%
Tags:
ransomware
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Verdict:
Malicious
File Type:
js
Detections:
Trojan-Downloader.PowerShell.NanoShield.sb Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Connects to a pastebin service (likely for C&C)
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
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)
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
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Verdict:
Malicious
Threat:
Trojan-Downloader.PowerShell.NanoShield
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-03-13 16:52:48 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'659 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Suspicious use of SetThreadContext
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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