MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4d45e6159569390833906aed6c49e7078f528ccf3bc6ca5f333111e1c76fe762. 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: 12
| SHA256 hash: | 4d45e6159569390833906aed6c49e7078f528ccf3bc6ca5f333111e1c76fe762 |
|---|---|
| SHA3-384 hash: | 48b770277457891b6846e09a55ea46dc4efab5b5002dfacbff72f922f2c3647d447d628662fe3ab984339106d2b13b38 |
| SHA1 hash: | c5c00aa9ee06b4879145d2375ed48206ece9f963 |
| MD5 hash: | 331493b5bb24887f161c074243c0d8ad |
| humanhash: | early-triple-winner-three |
| File name: | factura de pago.js |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 97'869 bytes |
| First seen: | 2026-11-05 16:29:34 UTC |
| Last seen: | 2026-11-09 07:43:22 UTC |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 1536:OecAqrbVG86M52pZ2meIxhjkw1jbcXuPIHCymvoY6b/cj0Qxy4lurh1IZfnMbzM3:RcAqHVG86hpZ2meIxZkwhbOCy06SySum |
| TLSH | T163A34A74D92205B74F87AB8CBCA506B1C9BDC20D812654B0F6EE870D540A9ECF77D29A |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | AgentTesla js |
Intelligence
File Origin
# of uploads :
2
# of downloads :
204
Origin country :
ATVendor Threat Intelligence
No detections
Verdict:
Clean
Score:
99.9%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Deleting a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Launching a service
Creating a file in the Windows directory
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
masquerade obfuscated repaired
Verdict:
Malicious
File Type:
js
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Powershell connects to network
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain 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)
Unusual module load detection (module proxying)
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 GuLoader
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
PowerShell T1059.001
Detection:
agenttesla
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2026-11-05 15:39:49 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection defense_evasion discovery execution keylogger privilege_escalation spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Badlisted process makes network request
Family: AgentTesla
Process spawned unexpected child process
Malware Family:
gen3
Malicious:
True
Tags:
javascript
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: | 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.
No further information available
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