MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982. 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

SHA256 hash:	5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982
SHA3-384 hash:	904a0ad9168b1b6b0d9774657bc6f8dee65820dd53514ef910d3d92e586efc466d03b2c1775a71a344cf86fad7d007d9
SHA1 hash:	aef9cba099e27d4415bf67a6b602ca68b50f881e
MD5 hash:	bbd06ce4122ce49ae1a2e0a66ad05a96
humanhash:	music-charlie-papa-maryland
File name:	w4RVHQN7.js
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	1'112'601 bytes
First seen:	2026-09-24 10:34:39 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	3072:TQuXyJOZ8vR9v8CzObg1ymzBZ6UTp6Pj3LJJlV1JAthirnv6lxwD+m1vyI8HOtJ9:t
TLSH	T1D03551BC749A2D657F0AE2065F741606822F74722B0AC44B2566EFD03B13AADDF93533
Magika	txt
Reporter	lowmal3
Tags:	FormBook js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

157

Origin country :

DE

Vendor Threat Intelligence

ACCE Unknown

No detections

ClamAV Detected

Detection(s):

SecuriteInfo.com.JS.DownLoader.10853.24535.9201.UNOFFICIAL

Alert

Create hunting rule

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

anti-vm base64 evasive fingerprint obfuscated powershell repaired

Link:

https://www.filescan.io/uploads/6ab4fce7649d305d5ed8828d/reports/68c77cdb-47a5-4865-adeb-07e6f1c349b2/overview

Hybrid Analysis Trojan.Tr

Verdict:

Malicious

Labled as:

Trojan.Tr

Link:

https://www.hybrid-analysis.com/sample/5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2026-09-24T08:15:00Z UTC

Last seen:

2026-09-24T23:38:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982/results?tab=lookup

Joe Sandbox FormBook

Result

Threat name:

FormBook

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1977555

Signature

.NET source code contains method to dynamically call methods (often used by packers)

Bypasses PowerShell execution policy

Creates processes via WMI

Detected large data written to user environment variables, potentially indicating payload staging for fileless execution

Found direct / indirect Syscall (likely to bypass EDR)

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

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

Performs DNS queries to domains with low reputation

Queues an APC in another process (thread injection)

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Suspicious Environment Variable Has Been Registered

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 MSIL Injector

Yara detected Powershell decode and execute

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

96%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982/

ReversingLabs TitaniumCloud Script.Trojan.Multiverze

Threat name:

Script.Trojan.Multiverze

Alert

Create hunting rule

Status:

Malicious

First seen:

2026-09-24 10:35:25 UTC

File Type:

Text (JavaScript)

AV detection:

13 of 38 (34.21%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=l37ycr5gcanvzsvl2jqjku5gsyankhfoxlvt7iwqhqrroacgtgba._file

Hatching Triage formbook

Result

Malware family:

formbook

Alert

Create hunting rule

Score:

  10/10

Tags:

family:formbook execution rat spyware stealer trojan

Link:

https://tria.ge/reports/260924-mms95stvas/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Suspicious use of SetThreadContext

Badlisted process makes network request

Command and Scripting Interpreter: PowerShell

Family: Formbook

Formbook payload

Process spawned unexpected child process

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Legit

Threat name:

Legit

Score:

0.16

Link:

https://yomi.yoroi.company/submissions/5eff8147a6101b5ccaabd2609553a69600d51caebaeb3fa2d03c231700469982