MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3b364ae8f741a44914b46fd544cae5213a82328e3ccacfcd1fe52dbe4a6cdc84. 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: | 3b364ae8f741a44914b46fd544cae5213a82328e3ccacfcd1fe52dbe4a6cdc84 |
|---|---|
| SHA3-384 hash: | d538a53effa21f131a9f7001c85da2a745227b5a585e2f9dc530b6010d16bb7e8e0a00ef716b2f704004ad6e85d679e2 |
| SHA1 hash: | 59ef1f370ccd451585df39a85d6a9a587b0d7426 |
| MD5 hash: | d2b6b4e059fbcde7b0e3fd89167428f0 |
| humanhash: | white-friend-virginia-blossom |
| File name: | IREM - Richiesta d'offerta A294.js |
| Download: | download sample |
| Signature | Formbook |
| File size: | 587'106 bytes |
| First seen: | 2026-08-26 13:25:24 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 6144:rVwd9tGnGoNR0GWhsQxdBLOPM82pWWIx32AJgxlEA:549tINR0GU7B90px32AJOlEA |
| TLSH | T1F3C4332167FE5119F2F3AF54AEF825A58D7EBEA22E36D45C1150024E0A72E80DDB0737 |
| TrID | 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1) 33.3% (.MP3) MP3 audio (1000/1) |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | FormBook js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
173
Origin country :
SEVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
aes base64 conhost crypto evasive lolbin obfuscated persistence powershell repaired wscript
Verdict:
Malicious
Labled as:
JS/LausivLoader.J trojan
Verdict:
Malicious
File Type:
js
First seen:
2026-08-25T20:59:00Z UTC
Last seen:
2026-08-28T11:11:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Signature
DNS related to crypt mining pools
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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
Potential evasive JS / VBS script found (domain check)
Queues an APC in another process (thread injection)
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Encoded And Obfuscated Reflection Assembly Load Function Call
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious PowerShell Encoded Command Patterns
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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 called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
PowerShell
Threat name:
Script-JS.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2026-08-25 23:12:09 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
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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