MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 821f9b019ac21f81b607e39ef4bd07993ac46e2a604b2a969928f32ff76094dc. 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



AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 821f9b019ac21f81b607e39ef4bd07993ac46e2a604b2a969928f32ff76094dc
SHA3-384 hash: 88a03dca3ec4214305c67d97c7373ba3548606a5014845f37211ae909ba4b7c467ab7b6d88052cfe129394e56c9c2892
SHA1 hash: a0956f625cd9690637b80ec883632a87e1ca441e
MD5 hash: 20a01bcc6d81539b2e4d98680c4fb3aa
humanhash: september-bulldog-crazy-potato
File name:PO_3049.js
Download: download sample
Signature AgentTesla
File size:4'455 bytes
First seen:2025-08-11 06:38:18 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/x-c
ssdeep 96:kmMlup4WnKX+hwdak9cV+ALH8x55Xy9nExQ:KlupBnKX+49QL8x55XnQ
TLSH T15491E78C3B4270D18F5163E31D1D661787B6EA61A03DDA1CD0A5F1FC7E04B98BA4B970
Magika javascript
Reporter lowmal3
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
virus spawn micro
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
80 / 100
Signature
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Multi AV Scanner detection for submitted file
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2025-08-11 04:42:49 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Behaviour
Command and Scripting Interpreter: JavaScript
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Java Script (JS) js 821f9b019ac21f81b607e39ef4bd07993ac46e2a604b2a969928f32ff76094dc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments