MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 507a34df77b9b06d0f795e0137a314e198f1630d68637dbfc8595e28779cc9dc. 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: 15
| SHA256 hash: | 507a34df77b9b06d0f795e0137a314e198f1630d68637dbfc8595e28779cc9dc |
|---|---|
| SHA3-384 hash: | efdb8b5b94b528239bf36d7d7eeff59c0d8a70e39f9e520ec27397c3adebc0133b62d1a32479db3adfe57625f3565351 |
| SHA1 hash: | e519f79876f5203baa0b4b81d76b94a44c52db14 |
| MD5 hash: | 771fbbde14599e5fa882c7c63c43d4fa |
| humanhash: | spring-fix-solar-bluebird |
| File name: | Invoice760034712997640031.vbs |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 338'653 bytes |
| First seen: | 2026-11-04 10:53:53 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 6144:S5a8YLS4CNJdcVV/9a5P5pcbY6rLf3SAnfz2iwuHTIK7afPSPY4IoJXWJ78WWmT/:S5a8YmDncVV/9a5P5pcbY6rzlfAuzb7+ |
| TLSH | T1FB7402CF2D4A5819E42EE920599381C2C8D61DF9A8B56831FCCCB0EF17D72AC978C795 |
| Magika | vba |
| Reporter |  abuse_ch |
| Tags: | AgentTesla vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
95
Origin country :
SEVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
proxy rapid
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Creating a file
Launching a process
Creating a file in the %temp% subdirectories
Creating a file in the %temp% directory
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
encrypted masquerade obfuscated
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
vbs
First seen:
2026-11-03T03:33:00Z UTC
Last seen:
2026-11-05T06:30:00Z UTC
Hits:
~100
Result
Threat name:
AgentTesla, Aleta, Annabelle, Colossus,
Detection:
malicious
Classification:
rans.bank.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Command shell drops VBS files
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential evasive JS / VBS script found (domain check)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Aleta Ransomware
Yara detected Annabelle Ransomware
Yara detected AntiVM3
Yara detected Colossus Ransomware
Yara detected Drill Ransomware
Yara detected Erbium Stealer
Yara detected Korplug
Yara detected LOCKFILE ransomware
Yara detected Mekotio
Yara detected Metamorfo
Yara detected Monkey Ransomware
Yara detected NOKOYAWA Ransomware
Yara detected PlugX
Yara detected Prestige Ransomware
Yara detected Pyschedelic Ransomware
Yara detected RansomHub Ransomware
Yara detected RustyBuer Loader
Yara detected ShadowRoot Ransomware
Yara detected White Rabbit Ransomware
Behaviour
Behavior Graph:
Score:
84%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.29 T1027 T1059.005 VBS Execute Sub-Script VBScript WScript.Shell
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2026-11-03 09:38:34 UTC
File Type:
Text
AV detection:
11 of 38 (28.95%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection defense_evasion discovery execution keylogger persistence spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Enumerates physical storage devices
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Indicator Removal: File Deletion
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Family: AgentTesla
Malware Family:
gen3
Malicious:
True
Tags:
vba
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | detect_tiny_vbs |
|---|---|
| Author: | daniyyell |
| Description: | Detects tiny VBS delivery technique |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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