MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f4b370a2d97e33e7cce55d224cf607ca49ce63a65459cb67b2d58c6b6eff528. 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


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 1f4b370a2d97e33e7cce55d224cf607ca49ce63a65459cb67b2d58c6b6eff528
SHA3-384 hash: 8ea9899033e46e159e6a2524749ab0f497199d23bfcc79526a928f378e332b252d10e22944f77357af2753e04e3f8819
SHA1 hash: 0cc3e80385385b8fe81a55990d98c38d6805126f
MD5 hash: a7ebce745eefcde2e331b01b7e60a459
humanhash: autumn-seven-video-four
File name:DHL SHIPMENTS NOTIFICATION 39952312 ARRIVAL NOTICE DATED 06012026_PDF.JS
Download: download sample
Signature AgentTesla
File size:7'198'846 bytes
First seen:2026-06-08 06:34:19 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 196608:ZpP/0OnJXftbSNI1KvoWg3ZtsXL54qChZ:Z18OCNIYoRJtsl4qC3
Threatray 194 similar samples on MalwareBazaar
TLSH T1797675300354C6B1D2585EE62AAA7168640D4DCF98F5FB027A6F87F5027A932E37B770
Magika typescript
Reporter lowmal3
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dropper evasive masquerade obfuscated obfuscated packed repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-06-07T20:55:00Z UTC
Last seen:
2026-06-09T04:55:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Win32.Stealer.sb HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan-Downloader.Script.Generic Trojan.Win32.Shellcode.sb Trojan.Win32.Agent.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan.Script.Generic
Result
Threat name:
AgentTesla, DonutLoader
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
Benign windows process drops PE files
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 API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected AgentTesla
Yara detected DonutLoader
Yara detected Lua decrypt and execute
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:agenttesla family:donutloader collection execution keylogger loader spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects DonutLoader
Family: AgentTesla
Family: DonutLoader
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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 1f4b370a2d97e33e7cce55d224cf607ca49ce63a65459cb67b2d58c6b6eff528

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments