MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1647ef778a94d0cd84ea714757b85c6f62ba9881a0403af8173227808d4a9aa3. 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:	1647ef778a94d0cd84ea714757b85c6f62ba9881a0403af8173227808d4a9aa3
SHA3-384 hash:	56f3ae1d8c5cf4157f9b5804af7774301638012ce59cf7386dbd5d8ebd606e0d7ff709e2b4e09d0f17e0d8a33dd6e386
SHA1 hash:	4237a4a6d70a8d4d6fb76df8a0fa4607c30c5f94
MD5 hash:	4316cb6940af0436a5713b84b3f24a1e
humanhash:	skylark-mars-twenty-london
File name:	doc09910320240328170544.pdf.js
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	124'640 bytes
First seen:	2025-05-30 11:06:07 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	192:koeELfcn9a8dfNGGtWGBj7Ywe7MpXf+jeRw+jeAdbb3Uiwq1X24GiPvadKpbzd8m:qDF
Threatray	245 similar samples on MalwareBazaar
TLSH	T15BC36B8C4FD585F14B8D6DF1A1209FDEE89C17BAA1A2C461A489DF99CDDC4D828EF103
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

411

Origin country :

NL

Vendor Threat Intelligence

ClamAV Detected

Detection(s):

SecuriteInfo.com.Other.Malware-gen.19839.17287.UNOFFICIAL

Alert

Create hunting rule

CyberFortress Malicious

Verdict:

Malicious

Score:

94.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68399285acf88f5815e8fd25

Tags:

obfuscate xtreme shell

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

base64 evasive masquerade obfuscated opendir opendir overlay powershell

Link:

https://www.filescan.io/uploads/68399145fd02ed5e059034fd/reports/524b3e98-6c25-42d1-9442-ed862f5c8d90/overview

Hybrid Analysis BZC.UGZ.Boxter.1

Verdict:

Malicious

Labled as:

BZC.UGZ.Boxter.1

Link:

https://www.hybrid-analysis.com/sample/1647ef778a94d0cd84ea714757b85c6f62ba9881a0403af8173227808d4a9aa3

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/1702260

Signature

Injects a PE file into a foreign processes

JavaScript source code contains functionality to generate code involving a shell, file or stream

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 Parent Double Extension File Execution

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)

Uses an obfuscated file name to hide its real file extension (double extension)

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 Powershell decode and execute

Yara detected Powershell download and execute

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/1647ef778a94d0cd84ea714757b85c6f62ba9881a0403af8173227808d4a9aa3

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1647ef778a94d0cd84ea714757b85c6f62ba9881a0403af8173227808d4a9aa3/

ReversingLabs TitaniumCloud Script-JS.Spyware.AsyncRAT

Threat name:

Script-JS.Spyware.AsyncRAT

Alert

Create hunting rule

Status:

Malicious

First seen:

2025-05-29 13:33:16 UTC

File Type:

Binary

AV detection:

8 of 24 (33.33%)

Threat level:

  2/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=czd6654kstim3bhkofdvpoc4n5rlvgebubadv6axgitybdkktkrq._file

Threatray formbook

Verdict:

malicious

Label(s):

formbook

Alert

Create hunting rule

Similar samples:

123ef9f91735fa6c4b35a8c68175db0c9be5a84d2ce21e9cd5c4aceec8b25f23

Formbook

3b86ae4254d8b3e83898bc865755421c120db20ead55ca13906b34e92a7401e5

Formbook

5331d1eadb8b8727b21f368f5c8edb92b368d88e70c4d76e33f46fe6b55ee0d7

Formbook

769789472da19bb0fe6b884c61e13d04909d5629491662ae1da6a34068ed5e86

Formbook

96bcd835d13f775f2e1157ba7f4030fabf7e60196b2f511bc67e80ee0e1b6cc0

Formbook

96c21f37b09bea691324579696c175d6a69b960e4010697c7ca1e012eb1300c4

Formbook

a432bcc6e9b898d5bd0d40f24e9c4cbf1b19c2d9de3b1179e5a86216132258d6

Formbook

b285dad42226c71af623cca37ee52675f265c227f5761033634e72186afc6c61

Formbook

ec35d1cc7941458cc79762055979eff1d904d3d420d8c63b2f7b660657723930

Formbook

error

Formbook

+ 235 additional samples on MalwareBazaar

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

execution

Link:

https://tria.ge/reports/250530-m7n6xsgl8z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

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/1647ef778a94d0cd84ea714757b85c6f62ba9881a0403af8173227808d4a9aa3