MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d
SHA3-384 hash: 1448f0473a01a95df0fc82e14287fd6af88254a29f2bf92a519035086f72ffffa42ad2854a92fec68af12dd1ee331757
SHA1 hash: d291d31dc95bb3ebe374c28fc61a64a892b022bb
MD5 hash: 08efacb4a1f581c64491a4fffe439103
humanhash: earth-lake-illinois-pasta
File name:Solicitud Actualizacion Datos_Bancarios_Pago_Devuelto 2026-07-13.wsf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:210'615 bytes
First seen:2026-07-21 06:28:50 UTC
Last seen:2026-07-21 06:36:50 UTC
File type:
MIME type:text/xml
ssdeep 3072:pgm3bwz1rfq4UgOfujKKvn0JGg7R29oz8Ep2bv:0q45rjKKvn4Gg7uv
TLSH T1E52456C5A6E8AC4403976F7B375FB0E9FF6B0AD978444607C598F860B0A4A03F9E1935
Magika html
Reporter lowmal3
Tags:AgentTesla wsf

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a5f11d6bcffb2c48cb7a9da
Tags:
virus shell agent
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive obfuscated
Link:
https://www.filescan.io/uploads/6a5f11d52703044d8e594cd2/reports/ecf5e01e-d019-4260-a8f3-6c49beb91c9b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d
Verdict:
Malicious
File Type:
wsf
First seen:
2026-07-14T08:22:00Z UTC
Last seen:
2026-07-23T04:32:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d/results?tab=lookup
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1945656
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected malicious Powershell script
Bypasses PowerShell execution policy
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious execution chain found
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1945656 Sample: Solicitud Actualizacion Dat... Startdate: 21/07/2026 Architecture: WINDOWS Score: 100 27 ip-api.com 2->27 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 9 other signatures 2->37 8 wscript.exe 21 2->8         started        signatures3 process4 file5 25 C:\Temp\ZS0HXLQY.ps1, ASCII 8->25 dropped 39 Wscript starts Powershell (via cmd or directly) 8->39 41 Bypasses PowerShell execution policy 8->41 43 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->43 45 2 other signatures 8->45 12 powershell.exe 16 8->12         started        signatures6 process7 signatures8 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->47 49 Writes to foreign memory regions 12->49 51 Injects a PE file into a foreign processes 12->51 15 aspnet_compiler.exe 12->15         started        18 aspnet_compiler.exe 15 2 12->18         started        21 conhost.exe 12->21         started        23 4 other processes 12->23 process9 dnsIp10 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->55 57 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 15->57 29 ip-api.com 208.95.112.1, 49713, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 18->29 59 Tries to steal Mail credentials (via file / registry access) 18->59 61 Tries to harvest and steal browser information (history, passwords, etc) 18->61 signatures11
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d
Verdict:
Malware
YARA:
3 match(es)
Tags:
Html Javascript T1059.007 WSF File
Link:
https://app.malva.re/file/08efacb4a1f581c64491a4fffe439103
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d/
Threat name:
Script-JS.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2026-07-14 11:28:07 UTC
File Type:
Text (XML)
Extracted files:
1
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jme3vivlcu5othk54u3lhmwhudu6m72kmvtjjt6l2esahs5g4aoq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/260721-g8tj5sav7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Badlisted process makes network request
Family: AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d

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:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io

File information

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

Malspam

AgentTesla

4b09baa2ab153ae99d5de536b3b2c7a0e9e67f4a656694cfcbd12403cba6e01d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments