MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83. 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: 12


Intelligence 12 IOCs YARA 20 File information Comments
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SHA256 hash: 565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83
SHA3-384 hash: e5c3375deac2b0c7b5922e8599cdeba4ca5a451de66fefd9878f8219130a9085ae83fbc1fb3e7f62c5f2729c2439ed0f
SHA1 hash: d41029901383f19d5f2b1fe6b1bdbef8dede4399
MD5 hash: 76235f665b3d29d4056b2feafa68f942
humanhash: skylark-sweet-papa-ink
File name:offlinejs.js
Download: download sample
Signature AgentTesla
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File size:1'316'202 bytes
First seen:2026-04-09 08:09:41 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:Jsi31bltJ0M8AcbnSIOrPK/yVsc/b7hTFNBxVcymv3glm+3+3A:JLxdzhRNLmvmqQ
TLSH T11755015046C83F69CBEC561D80FE161EA3B04D8F9419B98AEB63BD4AEFB7A0441171DC
Magika javascript
Reporter abuse_ch
Tags:AgentTesla js


Avatar
abuse_ch
AgentTesla FTP exfil server:
ftp.zhenpenn.com:21

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.DownLoader.9376.22364.23544.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69d75efe66ab6d001dd084e4
Tags:
virus shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
encrypted formbook obfuscated repaired
Link:
https://www.filescan.io/uploads/69d75ef75ea31bc68a1a918b/reports/0c9e10e1-46de-49f4-baa1-c2eed5ecc89e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83
Verdict:
Malicious
File Type:
js
First seen:
2026-04-07T17:33:00Z UTC
Last seen:
2026-04-10T20:07:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic Trojan.JS.SAgent.sb Trojan-PSW.MSIL.Agensla.sb Trojan-PSW.MSIL.Agensla.d Trojan.Win32.InjectorNetT.s Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C Trojan.PowerShell.Cobalt.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb HEUR:Trojan.Script.Generic HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83/results?tab=lookup
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1895789
Signature
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1895789 Sample: offlinejs.js Startdate: 09/04/2026 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 5 other signatures 2->40 7 wscript.exe 3 2->7         started        11 svchost.exe 1 1 2->11         started        process3 dnsIp4 30 C:\Temp\ps_LtyHu4Ov3OoY_1775724085172.ps1, ASCII 7->30 dropped 52 JScript performs obfuscated calls to suspicious functions 7->52 54 Suspicious powershell command line found 7->54 56 Wscript starts Powershell (via cmd or directly) 7->56 58 4 other signatures 7->58 14 powershell.exe 16 7->14         started        17 taskkill.exe 1 7->17         started        32 127.0.0.1 unknown unknown 11->32 file5 signatures6 process7 signatures8 60 Writes to foreign memory regions 14->60 62 Injects a PE file into a foreign processes 14->62 19 aspnet_compiler.exe 2 14->19         started        22 aspnet_compiler.exe 14->22         started        24 conhost.exe 14->24         started        28 4 other processes 14->28 26 conhost.exe 17->26         started        process9 signatures10 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->42 44 Tries to steal Mail credentials (via file / registry access) 19->44 46 Tries to harvest and steal ftp login credentials 19->46 48 Tries to harvest and steal browser information (history, passwords, etc) 19->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->50
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83
Gathering data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83
Threat name:
Script-JS.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2026-04-07 22:56:59 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 38 (28.95%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kzprbhrglptnnwpmg62kxhvu4a5bvidax6erk2act2zlherv3sbq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/260409-j2zhxscs7r/
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
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
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/565f109e265be6d6d9ec37b4ab9eb4e03a1aa060bf891568029eb2b39235dc83

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:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger 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: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
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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_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:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
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: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
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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.

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