MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a. 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:	8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a
SHA3-384 hash:	e4a98b3d12166b7db412c8d8b0a7f558b83c2aae2466822aedfa37387a73f800bfb7e3bf48cdbfb5488dffaa2f467a7d
SHA1 hash:	638fbd86dd578c9599d243f42b314031b0c8ee8a
MD5 hash:	b04449c45d078b71e3350e943bca238e
humanhash:	moon-oscar-double-saturn
File name:	remittance.js
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	244'407 bytes
First seen:	2025-09-02 08:22:36 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	384:ELbDTcQ7LHF45LYiLY+4fmRwLyF7VbFgMECLITtnROLLYSRMEL6vLjdCLj0VD4fX:ELvTc/i3rLj+XII5uXK4y
Threatray	131 similar samples on MalwareBazaar
TLSH	T19234BA4BCE66F31141F2BE4B95D5478AF4F496E3180180AABEFDC3207F739648259E98
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

69

Origin country :

SE

Vendor Threat Intelligence

ClamAV Detected

Detection(s):

SecuriteInfo.com.Script.SNH-gen.11995452.UNOFFICIAL

Alert

Create hunting rule

CyberFortress Malicious

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68b6a98beb163e0ec1841ea9

Tags:

obfuscate xtreme spawn

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

anti-vm powershell

Link:

https://www.filescan.io/uploads/68b6aa7f39a6221faa7a12a2/reports/cfadddeb-d52b-475b-bd71-cdd0cce43851/overview

Hybrid Analysis VBS/Agent.TKB trojan

Verdict:

Malicious

Labled as:

VBS/Agent.TKB trojan

Link:

https://www.hybrid-analysis.com/sample/8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a

Kaspersky OpenTIP Malicious

Verdict:

Malicious

File Type:

js

First seen:

2025-09-01T21:23:00Z UTC

Last seen:

2025-09-01T21:23:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a/results?tab=lookup

Joe Sandbox malicious

Result

Threat name:

n/a

Detection:

malicious

Classification:

expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1769356

Signature

Creates processes via WMI

Found Tor onion address

Javascript file is likely language aware (will only work on specific systems)

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: PowerShell Base64 Encoded FromBase64String Cmdlet

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 download and execute

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Benign

Score:

27%

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a/

ReversingLabs TitaniumCloud Win32.Trojan.Kepavll

Threat name:

Win32.Trojan.Kepavll

Alert

Create hunting rule

Status:

Malicious

First seen:

2025-09-02 00:26:57 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=ry5msqw7a4rfnk6pshspdzohnieqsm3uvh23tf4qlx6fvc4utyva._file

Threatray formbook

Verdict:

malicious

Label(s):

formbook

Alert

Create hunting rule

Similar samples:

37c810d524a8db830dbb9d12d5d918802d3c85619d58810d04fc95232ec393ce

Formbook

664272d1c9d15f1747c86d06066467ccdc54ce0062e1d201950a5a95478f1d99

Formbook

6bc677ac4c36cb99e3170edb2b29b8e8b47399a2896f8f0c6fa998b4337bcf35

Formbook

8c2bf37543f505883716f27429754461c61c2b259a882942e59b4ecd0f279b80

Formbook

c219396bdbe5ecedd6f6edd308734920f6a52b6cdbefafc16916f07dadffc1c8

Formbook

d58ef7f6352296a5f9052e5bb522a0556037f373b27dd1bf4c53a521f0f7a0a8

Formbook

dccde739186bcc2b12daae93ada247895c811ec080cf06fd4d431d2caecdc196

Formbook

e119c6c5485307075a1e5d0950a77f978f7f17e23c315ed8c38cc1259b8af26f

Formbook

error

Formbook

+ 121 additional samples on MalwareBazaar

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/250902-kcn7bsfm4s/

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

Formbook payload

Formbook

Formbook family

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://archive.org/download/optimized_msi_20250821/optimized_MSI.png

VirusTotal

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

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/8e3ac942df072256abcf91e4f1e5c76a09093374a9f5b997905dfc5a8b949e2a