MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8a669987d704143b37841e4ad831b8e8a6dff38f81b2b2c858b6cb3c71095efb. 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: | 8a669987d704143b37841e4ad831b8e8a6dff38f81b2b2c858b6cb3c71095efb |
|---|---|
| SHA3-384 hash: | ce481f6ce4db78e37d2c94b1abdfe72647dde45393e7dd3b1858787c4da7759a6004b7ffe99ce1dd27475ed935f09712 |
| SHA1 hash: | fe8b539c898ff89b998fbf4da68faf59cb149460 |
| MD5 hash: | 769de2f8c80b271e80b8cdad06fbc208 |
| humanhash: | autumn-hot-four-shade |
| File name: | PERMINTAAN HARGA - RFQ.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 3'681 bytes |
| First seen: | 2026-11-05 09:30:42 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | application/javascript |
| ssdeep | 48:cs2X83MUKy9ZvPtDtZXJWxO6WlF2fbOjDT35LGrPm8O/g:ccRbZYWF2fsPlGrud/g |
| TLSH | T12B71BECD5C85B0584D72B33A9B3F965AF79360D7060AC255B6ADD7801F3001642BDEEE |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
173
Origin country :
SEVendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
96.5%
Tags:
vmdetect proxy rapid java
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Creating synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
TrojanDownloader/JS.Agent
Verdict:
Malicious
File Type:
js
First seen:
2026-11-04T20:24:00Z UTC
Last seen:
2026-11-05T05:36:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
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)
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
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:
Score:
10%
Verdict:
Benign
File Type:
SCRIPT
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
PowerShell
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-11-04 23:18:56 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Family: Formbook
Formbook payload
Malware Family:
affk
Malicious:
True
Tags:
javascript
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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