MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4. 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: 13

Intelligence 13 IOCs YARA 22 File information Comments

SHA256 hash:	0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4
SHA3-384 hash:	dcffd5c3b69a021d979eb5e3cbc0755fa3fe991f3700507ee62a54b72569a541249fd6ae831c8fe5f88b37ce42808752
SHA1 hash:	0808f5d8935871ba3ff80f83cefad49437ff83ea
MD5 hash:	c1e8757f88d2b7b0449e6b965fcdb603
humanhash:	summer-harry-don-alpha
File name:	Order PO-25-012379REV001.js
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'467'565 bytes
First seen:	2026-04-01 15:31:27 UTC
Last seen:	Never
File type:	js
MIME type:	text/plain
ssdeep	24576:R/6hxXWUYdcK6gbr2YWatxa2bd43qjHcoXqzMTfhN44:t6vXWUmvx2wrbgqZoypNH
TLSH	T18F6502118AC82FB9CFDC5A1C80FE161EA3E04A8F5016B98AEF37BD46AFF75445107199
Magika	javascript
Reporter	abuse_ch
Tags:	AgentTesla js

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Gathering data

Detection(s):

Sanesecurity.Malware.25966.JsHeur.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69cd3a846363ca5d27f0a2c4

Tags:

virus shell lien sage

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 encrypted masquerade obfuscated repaired

Link:

https://www.filescan.io/uploads/69cd3a8190759d6205c0a96c/reports/c389b0e3-573d-41f3-a1dc-a4e18a73d6c3/overview

Verdict:

Malicious

Labled as:

JS/Agent.DRF

Link:

https://www.hybrid-analysis.com/sample/0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4

Result

Gathering data

Verdict:

Malicious

File Type:

First seen:

2026-03-31T08:30:00Z UTC

Last seen:

2026-04-01T12:33:00Z UTC

Hits:

~10000

Link:

https://opentip.kaspersky.com/0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4/results?tab=lookup

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

evad.troj.spyw.expl

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1892287

Signature

.NET source code contains method to dynamically call methods (often used by packers)

AI detected malicious Powershell script

Bypasses PowerShell execution policy

Found malware configuration

Injects a PE file into a foreign processes

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

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4

Gathering data

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4/

Verdict:

Malicious

Threat:

Family.AGENTTESLA

Link:

https://tip.neiki.dev/file/0257aa401044360bbb8c9e775d094b9bd8024ac8a6bb3140a7257fff51ea49f4

Threat name:

Script-JS.Spyware.Negasteal

Status:

Malicious

First seen:

2026-03-31 11:39:21 UTC

File Type:

Text (JavaScript)

AV detection:

9 of 36 (25.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ajl2uqaqiq3axo4mtz3v2ckltpmaeswiu25tcqfhev776upkjh2a._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/260401-syrhksdx3r/

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 Config

C2 Extraction:

https://api.telegram.org/bot8217230214:AAGOUmtbDck2-CNNGjuO3EXKCS54muh7-7E/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0257aa401044/report/overview.html

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:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
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 Create hunting rule
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 Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule
Author:	vietdx.mb

Rule name:	TelegramAPIMalware_PowerShell_EXE Create hunting rule
Author:	@polygonben
Description:	Hunting for pwsh malware using Telegram for C2

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

Rule name:	VECT_Ransomware Create hunting rule
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:	Windows_Generic_Threat_808f680e Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
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.

No further information available

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