MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c91fb41b11d29f24f7fc5b21b791bfaafbc37afce2525be9835679e8334a18da. 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
| SHA256 hash: | c91fb41b11d29f24f7fc5b21b791bfaafbc37afce2525be9835679e8334a18da |
|---|---|
| SHA3-384 hash: | 00432783753046b25899ffd34b44b507e77c1df6dc31ef4c45dbd541eb91512b589c0ead1dd018e6196761dc2abe1764 |
| SHA1 hash: | 5e244d487bdf6f92e806b5c7736a21c7380ee96b |
| MD5 hash: | 51daba7c136688e613b59ee908873a43 |
| humanhash: | alabama-fanta-romeo-zulu |
| File name: | September_Overpayment_Adjustment_Details.pdf.js |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 20'677 bytes |
| First seen: | 2026-10-05 09:01:45 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | application/javascript |
| ssdeep | 384:d/HpXuRuhYmU+5gZJilbBOZZzFsrXFFnnBi9DVCLFJXPOQDxfH3qcLVgtVnkq:d/HZuRuhYmU+yZElbBOZZzFsrXF9nBiF |
| TLSH | T1B892A9404681789497776B79AB2BA8D4F37B49AB0194490BB82CB440AFF5E1CDFE4DF0 |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | AgentTesla js |
Intelligence
File Origin
# of uploads :
1
# of downloads :
176
Origin country :
SEVendor Threat Intelligence
No detections
Gathering data
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Verdict:
Malicious
File Type:
js
First seen:
2026-10-05T05:05:00Z UTC
Last seen:
2026-10-07T07:22:00Z UTC
Hits:
~10000
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected malicious Powershell script
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Parent Double Extension File Execution
Sigma detected: Suspicious PowerShell Parameter Substring
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Score:
82%
Verdict:
Malware
File Type:
SCRIPT
Gathering data
Detection:
agenttesla
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-10-05 08:14:19 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 38 (28.95%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
AgentTesla
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection discovery execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Enumerates connected drives
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
Family: AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | SUSP_JS_HexObfuscated_ActiveX_Launcher |
|---|---|
| Author: | Marjoriefort |
| Description: | JS obfusque (identifiants _0x) instanciant ActiveX sous WScript - dropper JScript frais |
| Reference: | Veille fraicheur 2026-09-14 / cluster JS _0x |
| Rule name: | SUSP_obfuscated_JS_obfuscatorio |
|---|---|
| Author: | @imp0rtp3 |
| Description: | Detect JS obfuscation done by the js obfuscator (often malicious) |
| Reference: | https://obfuscator.io |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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