MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253. 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 20 File information Comments
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SHA256 hash: 41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253
SHA3-384 hash: 27825bfd40c0d09ee7661a15c62e038bb7b0173a82b4c5d84bec70e0465992a273e5126bb3b2ea6b6452e080f1bbae3f
SHA1 hash: e83519535ceed9c7b63c35389c99782de04fe60a
MD5 hash: 12f4ea73c92f2de359cdc83912e7efc7
humanhash: chicken-early-echo-kilo
File name:12f4ea73c92f2de359cdc83912e7efc7.js
Download: download sample
Signature AgentTesla
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File size:1'449'625 bytes
First seen:2026-03-03 14:37:06 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:pDRa4gxuutnC6JN17icOxFoJrBF5Au/b3M1K2FX2AxKWJa4k/w0GwLZJZHJGedK5:ba5qi7e
TLSH T155659F9688B01FD30A3C6E3045187F3873E5C7491A0DB65B8DF175AD2BFE2B54E26286
Magika javascript
Reporter abuse_ch
Tags:AgentTesla js


Avatar
abuse_ch
AgentTesla SMTP exfil server:
losanicetos.com.mx:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
460
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Muldrop.1159.22100.6448.UNOFFICIAL
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Verdict:
Suspicious
Score:
50%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a5fe2f002d37d5c982f086
Tags:
dotnet shell smtp
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 obfuscated repaired
Link:
https://www.filescan.io/uploads/69a6f228cd25bfe1dfdf3005/reports/62d1f1f8-ecfc-492d-a091-931b233aeda4/overview
Verdict:
Malicious
Labled as:
JS/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253
Verdict:
Malicious
File Type:
text
Detections:
Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.Agensla.d Trojan.JS.SAgent.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.Script.SAgent.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb Trojan.PowerShell.Cobalt.sb
Link:
https://opentip.kaspersky.com/41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253/results?tab=lookup
Result
Threat name:
AgentTesla, MATRIX Crypter
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Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1877565
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
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: 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)
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 MATRIX Crypter
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1877565 Sample: VInE8HyVod.js Startdate: 03/03/2026 Architecture: WINDOWS Score: 100 34 ip-api.com 2->34 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 10 other signatures 2->46 8 wscript.exe 3 2->8         started        12 svchost.exe 2->12         started        signatures3 process4 dnsIp5 32 C:\Temp\ps_PLfxaOhy71bW_1772557121096.ps1, ASCII 8->32 dropped 62 JScript performs obfuscated calls to suspicious functions 8->62 64 Suspicious powershell command line found 8->64 66 Wscript starts Powershell (via cmd or directly) 8->66 68 4 other signatures 8->68 15 powershell.exe 16 8->15         started        18 taskkill.exe 8->18         started        38 127.0.0.1 unknown unknown 12->38 file6 signatures7 process8 signatures9 70 Writes to foreign memory regions 15->70 72 Injects a PE file into a foreign processes 15->72 20 CasPol.exe 15 4 15->20         started        24 CasPol.exe 15->24         started        26 CasPol.exe 4 15->26         started        30 7 other processes 15->30 28 conhost.exe 18->28         started        process10 dnsIp11 36 ip-api.com 208.95.112.1, 49703, 49706, 49709 TUT-ASUS United States 20->36 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->48 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->52 54 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 20->54 56 Tries to steal Mail credentials (via file / registry access) 24->56 58 Tries to harvest and steal ftp login credentials 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 signatures12
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253/
Threat name:
Script-JS.Spyware.Negasteal
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Status:
Malicious
First seen:
2026-03-02 14:56:16 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ig6gsxevrutnbdhp3bdo7a6wohvc7i74bpvjzxtslwc3tnsv2jjq._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/260303-rzc6xadv3n/
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
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Malware family:
AgentTesla
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/41bc695c958d/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/41bc695c958d26d08cefd846ef83d671ea2fa3fc0bea9cde725d85b9b655d253

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
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
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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
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Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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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
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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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
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Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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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
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Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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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: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.

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