MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120. 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 20 File information Comments
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SHA256 hash: 635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120
SHA3-384 hash: 5e9b78aa6c24e8e982b38e08058af4f1a578775415f2dcf54634bbbd453c10e1f858ae00051b79bc8d3e40fbf614c982
SHA1 hash: 01a2164d2e447c7a1452f1f085f50ffffadcb95d
MD5 hash: 54bf799435de735ea896acea1dc51524
humanhash: berlin-victor-violet-four
File name:Vessel_Main_Particularspdf.js
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'136'535 bytes
First seen:2026-06-11 02:46:37 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:q1SWZyu2QmKUT21jdOXkyiUaFUyC4tYJXuc5/uR8CpPBfnSDy4Hi:U
TLSH T1FEA55C17D66F974D180E3B61106A5D9AFE89CEFCEF726BC4E08F90B214EA1110B851B7
Magika javascript
Reporter threatcat_ch
Tags:AgentTesla js

Intelligence

File Origin
# of uploads :
1
# of downloads :
167
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2a21c634eaf30d8ce4b481
Tags:
vmdetect autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated repaired
Link:
https://www.filescan.io/uploads/6a2a21c11f652d686577000d/reports/772bfbe5-3b63-4512-b614-c07c47073d61/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120
Verdict:
Malicious
File Type:
js
First seen:
2026-06-10T23:24:00Z UTC
Last seen:
2026-06-13T01:15:00Z UTC
Hits:
~10000
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb Backdoor.Win32.Androm.sb Trojan.Win32.Agent.sb Trojan-Dropper.Win32.Injector.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic Trojan.PowerShell.Cobalt.sb Trojan-PSW.MSIL.Agensla.d HEUR:Worm.Script.Generic Trojan.MSIL.Inject.sb Trojan.JS.SAgent.sb Trojan-PSW.MSIL.Agensla.sb Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic Trojan.Win32.Vimditator.sb
Link:
https://opentip.kaspersky.com/635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120/results?tab=lookup
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1926341
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)
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript file contains suspicious 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Windows shortcut file (LNK) contains suspicious command line arguments
Writes to foreign memory regions
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: 1926341 Sample: Vessel_Main_Particularspdf.js Startdate: 11/06/2026 Architecture: WINDOWS Score: 100 37 ip-api.com 2->37 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 12 other signatures 2->53 8 wscript.exe 2 4 2->8         started        12 powershell.exe 19 2->12         started        14 powershell.exe 17 2->14         started        16 powershell.exe 2->16         started        signatures3 process4 file5 33 SystemUpdate_U4kbS...P_1781147985125.lnk, MS 8->33 dropped 35 C:\Temp\ps_U4kbSpPxapZP_1781147985125.ps1, ASCII 8->35 dropped 55 JScript performs obfuscated calls to suspicious functions 8->55 57 Suspicious powershell command line found 8->57 59 Wscript starts Powershell (via cmd or directly) 8->59 61 4 other signatures 8->61 18 powershell.exe 16 8->18         started        21 conhost.exe 12->21         started        23 conhost.exe 1 14->23         started        25 conhost.exe 16->25         started        signatures6 process7 signatures8 41 Writes to foreign memory regions 18->41 43 Found suspicious powershell code related to unpacking or dynamic code loading 18->43 45 Injects a PE file into a foreign processes 18->45 27 aspnet_compiler.exe 15 2 18->27         started        31 conhost.exe 18->31         started        process9 dnsIp10 39 ip-api.com 208.95.112.1, 49755, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 27->39 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->63 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->65 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->67 69 4 other signatures 27->69 signatures11
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120
Gathering data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120
Threat name:
Script-JS.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-06-11 02:27:13 UTC
File Type:
Text (JavaScript)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mnlvfleaipk4q6vgeznlu65ietmefrjxf3wn3gc2wvy2bi6ageqa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/260611-c95lksht5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Command and Scripting Interpreter: PowerShell
Family: AgentTesla
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/635752ac8043/report/overview.html
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/635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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
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: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_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.

Malspam

AgentTesla

Java Script (JS) js 635752ac8043d5c87aa6265aba7ba824d842c5372eecdd985ab571a0a3c03120

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments