MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2ffe85aec4fa6a64f3e9d55cb50a2a69f4b8c2c4aab905c5d849fa8ac0551f8. 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: c2ffe85aec4fa6a64f3e9d55cb50a2a69f4b8c2c4aab905c5d849fa8ac0551f8
SHA3-384 hash: 995f45f3779784aed61163603219048a691834823b40554acb519a8cf0966157915d73fe3edd8d01ffae899a414ec6a2
SHA1 hash: 2df83ea2371635e0499494c9be584042fa1568e1
MD5 hash: a40d1e2c7516dcb5ac7e2a71b4b0e1c3
humanhash: connecticut-chicken-happy-video
File name:Credit Note A12345-045_20260403_pdf.js
Download: download sample
Signature AgentTesla
File size:1'528'361 bytes
First seen:2026-04-17 14:03:07 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:iG1hW/4PbVGSRoyw9aE+qQnjUf+ZTJPJUMvCTuX/QhRXPf9mvuRlon0CI3E3A6vl:iG2YbQSepSIAzumkuir6I9Y
TLSH T1896502115DC43FA8CFAC6A1D90FE250EA3E04E8A5019B64AFF37BD4EBFA79045117198
Magika javascript
Reporter abuse_ch
Tags:AgentTesla js


Avatar
abuse_ch
AgentTesla SMTP exfil server:
forsacecobol.online:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
81.4%
Tags:
vmdetect shell spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted masquerade obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-04-16T12:14:00Z UTC
Last seen:
2026-04-19T07:02:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb HEUR:Trojan.Script.Generic Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.JS.SAgent.sb Trojan-PSW.MSIL.Agensla.d HEUR:Trojan-Downloader.Script.Generic
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1900133 Sample: Credit Note A12345-045_2026... Startdate: 17/04/2026 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 6 other signatures 2->46 8 wscript.exe 3 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 32 C:\Temp\ps_nSgiwWMPsIX5_1776437208450.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 1 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 aspnet_compiler.exe 15 2 15->20         started        24 aspnet_compiler.exe 15->24         started        26 conhost.exe 15->26         started        30 4 other processes 15->30 28 conhost.exe 18->28         started        process10 dnsIp11 36 ip-api.com 208.95.112.1, 49707, 80 TUT-ASUS United States 20->36 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->48 50 Tries to steal Mail credentials (via file / registry access) 20->50 52 Tries to harvest and steal ftp login credentials 20->52 54 Tries to harvest and steal browser information (history, passwords, etc) 20->54 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->58 60 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 24->60 signatures12
Gathering data
Threat name:
Script-JS.Spyware.Negasteal
Status:
Malicious
First seen:
2026-04-16 23:01:00 UTC
File Type:
Text (JavaScript)
AV detection:
13 of 38 (34.21%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan
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
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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
Author:vietdx.mb
Rule name:VECT_Ransomware
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:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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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