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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8564a2b3645ec26e4333ae0d291ad854b3e06d4a87df133a3d2bd1a32d8fdcff. 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 2 File information Comments

SHA256 hash: 8564a2b3645ec26e4333ae0d291ad854b3e06d4a87df133a3d2bd1a32d8fdcff
SHA3-384 hash: 8510f6b9573d4f1a68170ceddef7a2122c2e2cc77c03613b868be828c8089025a2ef7c1b255578f13aa90ef60718a8b0
SHA1 hash: c6ef8158a283a5635b05704c22d6d4ec401e89b7
MD5 hash: b1dea2fc1c358a04e78ab8693a84c062
humanhash: iowa-juliet-angel-uncle
File name:8564a2b3645ec26e.ps1
Download: download sample
Signature AgentTesla
File size:1'087'644 bytes
First seen:2026-10-20 01:16:33 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:poqZXmzTCGNDw93/XPEH5Nhyq0Jj8CzxC7XNpOgh2q+fO:j2nCiMvXPe5AJPmPOK
TLSH T190352368525D0ADC062591A63A5ABD0534AD23C35D4A130A73FC82B53BFD5A4EFA3CB3
Magika powershell
Reporter whack_sh
Tags:AgentTesla ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
US US
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
93.3%
Tags:
vmdetect
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook loader
Verdict:
Malicious
File Type:
ps1
First seen:
2026-10-11T23:53:00Z UTC
Last seen:
2026-10-19T23:35:00Z UTC
Hits:
~10
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected malicious Powershell script
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
Joe Sandbox ML detected suspicious sample
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
PowerShell T1059.001
Threat name:
Script-PowerShell.Backdoor.FormBook
Status:
Malicious
First seen:
2026-10-12 04:57:31 UTC
File Type:
Text (PowerShell)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
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: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Family: AgentTesla
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: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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

PowerShell (PS) ps1 8564a2b3645ec26e4333ae0d291ad854b3e06d4a87df133a3d2bd1a32d8fdcff

(this sample)

  
Delivery method
Distributed via web download

Comments