MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582. 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:	f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582
SHA3-384 hash:	18742da2ebf58ae5038436a1801ab8b386f45e5e4e4e5fb671a7ae5b78073175b625f0dfd52d4a4b56185c5e706d4bb7
SHA1 hash:	3e1c1f1b68a6da52b9e96e2d8c83b4811db9332b
MD5 hash:	a6c419d18355bad7322bdb7cf4eb9e13
humanhash:	yellow-alaska-hot-berlin
File name:	PO.js
Download:	download sample
Signature	DarkCloud Alert Create hunting rule
File size:	2'357 bytes
First seen:	2025-07-08 08:49:20 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	48:52ibcE5H3LKpQuXK1Wm6TEe55cl5zXlcT9MQtSldslFTsSAk/SyBrgsB:5ZLKpc1WmSLu3qT9M8SnsrTsSAmSoHB
TLSH	T19B41A2CF2C04A0D2039E53FB3F5B980AC210DC89A25BE080E651B65C7E30B726D6BB20
Magika	javascript
Reporter	cocaman
Tags:	DarkCloud js

Intelligence

---

File Origin

# of uploads :

1

# of downloads :

30

Origin country :

CH

Vendor Threat Intelligence

CyberFortress Malicious

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=686cdb92900df8e7f868748f

Tags:

dropper extens spawn

FileScan.IO Malicious

Verdict:

Malicious

Threat level:

  10/10

Confidence:

100%

Tags:

base64 evasive obfuscated opendir opendir reconnaissance

Link:

https://www.filescan.io/uploads/686cdbe50737c4165a944c63/reports/839fc12c-c7b3-4f91-8e75-8e12e543a92c/overview

Hybrid Analysis SVM:TrojanDownloader/JS.Nemucod

Verdict:

Malicious

Labled as:

SVM:TrojanDownloader/JS.Nemucod

Link:

https://www.hybrid-analysis.com/sample/f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582

Joe Sandbox DarkCloud

Result

Threat name:

DarkCloud

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1730750

Signature

.NET source code contains very large strings

Allocates memory in foreign processes

Benign windows process drops PE files

Found malware configuration

Injects a PE file into a foreign processes

JavaScript file contains suspicious strings

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

JavaScript source code contains functionality to generate code involving HTTP requests or file downloads

Joe Sandbox ML detected suspicious sample

JScript performs obfuscated calls to suspicious functions

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

System process connects to network (likely due to code injection or exploit)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal Putty / WinSCP information (sessions, 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

Yara detected DarkCloud

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582

Malva.RE

Gathering data

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582/

Neiki Script-JS.Downloader.AgentTesla

Verdict:

Malicious

Threat:

Script-JS.Downloader.AgentTesla

Link:

https://tip.neiki.dev/file/f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582

ReversingLabs TitaniumCloud Script-JS.Downloader.AgentTesla

Threat name:

Script-JS.Downloader.AgentTesla

Alert

Create hunting rule

Status:

Malicious

First seen:

2025-07-08 05:12:30 UTC

File Type:

Text (JavaScript)

AV detection:

7 of 24 (29.17%)

Threat level:

  3/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6pbupcaxdqtc7tjy3mtp2ut335th4g6r7alsorexuy2wst4rewba._file

Threatray darkcloudstealer

Verdict:

malicious

Label(s):

darkcloudstealer

Alert

Create hunting rule

Similar samples:

error

DarkCloud

Hatching Triage darkcloud

Result

Malware family:

darkcloud

Alert

Create hunting rule

Score:

  10/10

Tags:

family:darkcloud discovery execution spyware stealer

Link:

https://tria.ge/reports/250708-kq77csvyct/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Command and Scripting Interpreter: JavaScript

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Executes dropped EXE

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Blocklisted process makes network request

DarkCloud

Darkcloud family

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/f3c34788171c262fcd38db26fd527bdf667e1bd1f817274497a635694f912582