MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a50e77e71dcb8c92020b8ca5ba6592c8df6bbb1d1a117f0bff0ef563123b2f6. 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 File information Comments

SHA256 hash: 8a50e77e71dcb8c92020b8ca5ba6592c8df6bbb1d1a117f0bff0ef563123b2f6
SHA3-384 hash: 1388ac4f177affe5a13dcf947a0d8381934181fba8a0ab26272f3934efe615d2b5dd350deec8e1fe37d3067dd7cbdb14
SHA1 hash: 391553b3b54b5a3f186123cbae1ced296232e073
MD5 hash: a9bd90e72786958104229b6028106d7c
humanhash: november-wyoming-undress-nuts
File name:BIK1911486_20260507.js
Download: download sample
Signature AgentTesla
File size:72'555 bytes
First seen:2026-05-08 10:30:59 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:wokLDx2E0OrAA+UbR+cs0mhI7qprnU8plbt8Y8GrroZFnw7MK:wokLDx2POrAAFbR+cs0ma7qprnXplbt7
TLSH T179630DF1C95E352EC9CADA02FFEE2C65C85582489070F60E56B362FAD5FAB40C45B46C
Magika javascript
Reporter abuse_ch
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint repaired
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Verdict:
Malicious
File Type:
js
First seen:
2026-05-08T03:22:00Z UTC
Last seen:
2026-05-10T06:33:00Z UTC
Hits:
~100
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Result
Threat name:
AgentTesla, PhantomGate
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
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)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Decrypt And Execute Base64 Data
Sigma detected: RegAsm connects to smtp port
Sigma detected: Suspicious PowerShell IEX Execution Patterns
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line 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 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 starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected PhantomGate
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1910628 Sample: BIK1911486_20260507.js Startdate: 08/05/2026 Architecture: WINDOWS Score: 100 21 yaso.su 2->21 23 smtp.hostinger.com 2->23 25 2 other IPs or domains 2->25 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 15 other signatures 2->49 8 wscript.exe 1 2->8         started        signatures3 process4 signatures5 51 Suspicious powershell command line found 8->51 53 Wscript starts Powershell (via cmd or directly) 8->53 55 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->55 57 2 other signatures 8->57 11 powershell.exe 14 18 8->11         started        process6 dnsIp7 27 yaso.su 104.21.77.239, 443, 49697, 49699 CLOUDFLARENETUS United States 11->27 29 bitbucket.org 104.192.142.25, 443, 49693 AMAZON-AESUS United States 11->29 59 Writes to foreign memory regions 11->59 61 Suspicious execution chain found 11->61 63 Injects a PE file into a foreign processes 11->63 15 RegAsm.exe 15 2 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 31 ip-api.com 208.95.112.1, 49701, 80 TUT-ASUS United States 15->31 33 smtp.hostinger.com 172.65.255.143, 49705, 49706, 587 CLOUDFLARENETUS United States 15->33 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->35 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 4 other signatures 15->41 signatures11
Gathering data
Threat name:
Script.Trojan.Heuristic
Status:
Malicious
First seen:
2026-05-08 07:35:18 UTC
File Type:
Text (JavaScript)
AV detection:
4 of 24 (16.67%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Contacts third-party web service commonly abused for C2
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Badlisted process makes network request
Family: AgentTesla
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments