MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a49388831b59889e4ef8e73a28c502e357a1a943a63ae2d44bae6637aff796a. 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:	0a49388831b59889e4ef8e73a28c502e357a1a943a63ae2d44bae6637aff796a
SHA3-384 hash:	e4773a0e6bf4b9d076120f59ed4a6db0d67926b8254254e0903948328635ff57003da5e2126554be043ffd3a2432167f
SHA1 hash:	42606f03dc5f7ef6d62dce3616ba92ba2e731e08
MD5 hash:	3a6854e8c49d1c705e376f569fce2ba4
humanhash:	iowa-oranges-bulldog-victor
File name:	dokument wysyÅ kowy faktury nr 52-FK-25.js
Download:	download sample
Signature	Formbook Alert Create hunting rule
File size:	1'565 bytes
First seen:	2025-03-20 07:06:20 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	48:2b5HhHD5h4CCcD5V65dVdVcDt5VCpYppdVSdVYt/X8D/cDir:2b5HfOCCcDbsdVdVcDtbCpYppdVSdVYs
TLSH	T16E31C835E40DEEEC3602D6B2D0A140A571EA7B26E73800E75CFA956CBD484E511DDF2B
Magika	javascript
Reporter	abuse_ch
Tags:	FormBook js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

171

Origin country :

NL

Vendor Threat Intelligence

CyberFortress Malicious

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67dbbe81115e7b48b48efeb3

Tags:

spawn

Hybrid Analysis Unknown

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/0a49388831b59889e4ef8e73a28c502e357a1a943a63ae2d44bae6637aff796a

InQuest UNKNOWN

Result

Verdict:

UNKNOWN

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/1643892

Signature

Antivirus detection for URL or domain

Connects to a pastebin service (likely for C&C)

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

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: Script Initiated Connection to Non-Local Network

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

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)

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

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Susipicious

Score:

69%

Verdict:

Susipicious

File Type:

SCRIPT

Link:

https://malprob.io/report/0a49388831b59889e4ef8e73a28c502e357a1a943a63ae2d44bae6637aff796a

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/0a49388831b59889e4ef8e73a28c502e357a1a943a63ae2d44bae6637aff796a/

ReversingLabs TitaniumCloud Script.Trojan.Generic

Threat name:

Script.Trojan.Generic

Alert

Create hunting rule

Status:

Suspicious

First seen:

2025-03-20 07:06:29 UTC

File Type:

Binary

AV detection:

7 of 24 (29.17%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=bjetrcbrwwmitzhprzz2fdcqfy2xuguuhjr24lkexltgg6x7pfva._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  8/10

Tags:

execution

Link:

https://tria.ge/reports/250320-hxa44azq12/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

Suspicious use of SetThreadContext

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Blocklisted process makes network request

VirusTotal

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

YOROI YOMI Suspicious File

Threat name:

Suspicious File

Score:

0.51

Link:

https://yomi.yoroi.company/submissions/0a49388831b59889e4ef8e73a28c502e357a1a943a63ae2d44bae6637aff796a