MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8163363141e4466928fdeb219fda2d099ac4d55c5e0b7a626e53300511d0ce8a. 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: 15


Intelligence 15 IOCs YARA 22 File information Comments

SHA256 hash: 8163363141e4466928fdeb219fda2d099ac4d55c5e0b7a626e53300511d0ce8a
SHA3-384 hash: 8f8e6e1f23fd07891fa6964965f3a25278e4c404dc1c8b4bf438caa9b4aedd84cccd6bb13d7a29b76eb89c17b547f086
SHA1 hash: 5e3f7136b16326bd0a364b903d7bd0ea77cbd46e
MD5 hash: 6940ed7d74ff0c25bc5b89ffe82c48a4
humanhash: kansas-low-nevada-mississippi
File name:PO G2605-3445.js
Download: download sample
Signature AgentTesla
File size:1'516'998 bytes
First seen:2026-03-27 16:36:07 UTC
Last seen:2026-03-31 10:45:04 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:MqLCueJrjKtEGXv3xedbKNxSuc6+Sn/F6wo6LO:MKJF9+T
Threatray 3'477 similar samples on MalwareBazaar
TLSH T1BD65020589C87FB9CFBC162950BE160EA3F04D8A5119698AEB73FD4BFFE760051171A8
Magika javascript
Reporter lowmal3
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
2
# of downloads :
173
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.1%
Tags:
vmdetect lien
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-03-27T04:45:00Z UTC
Last seen:
2026-03-29T14:34:00Z UTC
Hits:
~1000
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic HEUR:Trojan-Downloader.Script.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb Trojan-PSW.MSIL.Agensla.d Trojan.PowerShell.Cobalt.sb
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Found malware configuration
Injects a PE file into a foreign processes
JavaScript file contains Antivirus product strings
Joe Sandbox ML detected suspicious sample
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)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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 Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1890357 Sample: PO G2605-3445.js Startdate: 27/03/2026 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 7 wscript.exe 3 2->7         started        process3 file4 27 C:\Temp\ps_Gq7h1XJ3Js0U_1774630214564.ps1, ASCII 7->27 dropped 47 JScript performs obfuscated calls to suspicious functions 7->47 49 Suspicious powershell command line found 7->49 51 Wscript starts Powershell (via cmd or directly) 7->51 53 4 other signatures 7->53 11 powershell.exe 16 7->11         started        14 taskkill.exe 1 7->14         started        signatures5 process6 signatures7 55 Writes to foreign memory regions 11->55 57 Injects a PE file into a foreign processes 11->57 16 aspnet_compiler.exe 2 11->16         started        19 aspnet_compiler.exe 11->19         started        21 conhost.exe 11->21         started        25 4 other processes 11->25 23 conhost.exe 14->23         started        process8 signatures9 29 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->29 31 Tries to steal Mail credentials (via file / registry access) 16->31 33 Tries to harvest and steal ftp login credentials 16->33 35 Tries to harvest and steal browser information (history, passwords, etc) 16->35 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->37
Gathering data
Threat name:
Script-JS.Trojan.AgentTesla
Status:
Malicious
First seen:
2026-03-27 08:07:39 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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 8163363141e4466928fdeb219fda2d099ac4d55c5e0b7a626e53300511d0ce8a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments