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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856f5af381207f919117dee8ae86bac00d22acb391bc4bb8d38ea5cc18295489. 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 File information Comments

SHA256 hash: 856f5af381207f919117dee8ae86bac00d22acb391bc4bb8d38ea5cc18295489
SHA3-384 hash: 3a4e80abce8f3b9bfcf3ba3a096890500e8cda7ee5019c2c34da5da7a53dbf97fa99aa3ac0b8a88a60fa24f001d39ad9
SHA1 hash: 990b200db6221baa9ed47a059cb0fb343ee45297
MD5 hash: 64e808bfb6a220cc1e5162d14d375e15
humanhash: aspen-twelve-video-table
File name:Order 90126.JS
Download: download sample
Signature AgentTesla
File size:3'347'762 bytes
First seen:2026-09-15 12:57:38 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 98304:uYgCHEiqL04ERWPmOn5SKnyS8gzAC/N2R+BvR7gAdMn8eao/m/a:AYRORn5XnyS8opVc4SjaoL
TLSH T1CEF5C3902F8582B67332E7AC427A8931D41E652395C5DF85B67ED2083F7CC0B5B1CAE6
Magika javascript
Reporter abuse_ch
Tags:AgentTesla js


Avatar
abuse_ch
AgentTesla FTP exfil server:
ftp.piovau.com:21

Intelligence


File Origin
# of uploads :
1
# of downloads :
174
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-09-14T13:38:00Z UTC
Last seen:
2026-09-17T10:48:00Z UTC
Hits:
~1000
Result
Threat name:
AgentTesla, DonutLoader
Detection:
malicious
Classification:
troj.spyw.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)
Contains functionality to log keystrokes (.Net Source)
Detected Windows Script Host debugger hammering
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
JavaScript source code contains functionality to generate code involving a shell, file or stream
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)
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
Behaviour
Behavior Graph:
Gathering data
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2026-09-14 23:42:07 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:agenttesla family:donutloader collection discovery execution keylogger loader spyware stealer trojan
Behaviour
Modifies registry class
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
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.

Comments