MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05215a379ae277dd2a72c88fd255b4554d23ea45745579b3bc69a5071632f636. 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 3 File information Comments

SHA256 hash: 05215a379ae277dd2a72c88fd255b4554d23ea45745579b3bc69a5071632f636
SHA3-384 hash: bead6ebdf3d667e7013babbaf3d13222a5aead0dc02ec5768e18241d0426a415b05fe8e75bdbf09de70c93c5dc43d2f4
SHA1 hash: a59b0a8bd3fc2f90cf5aeece739a1233640eb3c1
MD5 hash: 9556a22cbaba2535d513a7665453651d
humanhash: nine-lima-colorado-moon
File name:Tuesdayconstraints.vbs
Download: download sample
Signature AgentTesla
File size:151'870 bytes
First seen:2025-08-15 15:37:30 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:o80Ezb/rgGpRrjDJkCkRFklYBtyo9hxUmleC3h:vFgGpdDJkCkRFkCyEheXmh
Threatray 3'779 similar samples on MalwareBazaar
TLSH T189E390A1D80CE5A10B614A51F83E9F19BE7001A7EBC5FC21F58FB591DF3460AA6D432B
Magika vba
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 cmd cscript evasive fingerprint lolbin obfuscated powershell
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.expl.evad
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)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious PowerShell Parameter Substring
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)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Powershell decode and execute
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757979 Sample: Tuesdayconstraints.vbs Startdate: 15/08/2025 Architecture: WINDOWS Score: 100 29 ip-api.com 2->29 31 dn721700.ca.archive.org 2->31 33 7 other IPs or domains 2->33 51 Suricata IDS alerts for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 13 other signatures 2->57 9 wscript.exe 1 2->9         started        signatures3 process4 signatures5 69 VBScript performs obfuscated calls to suspicious functions 9->69 71 Suspicious execution chain found 9->71 12 cscript.exe 2 9->12         started        process6 signatures7 73 VBScript performs obfuscated calls to suspicious functions 12->73 75 Suspicious powershell command line found 12->75 77 Bypasses PowerShell execution policy 12->77 15 powershell.exe 14 16 12->15         started        19 conhost.exe 12->19         started        process8 dnsIp9 37 107.175.243.133, 49691, 80 AS-COLOCROSSINGUS United States 15->37 39 archive.org 207.241.224.2, 443, 49686 INTERNET-ARCHIVEUS United States 15->39 41 dn721700.ca.archive.org 204.62.247.40, 443, 49687 COGENT-174US United States 15->41 43 Found Tor onion address 15->43 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->45 47 Writes to foreign memory regions 15->47 49 Injects a PE file into a foreign processes 15->49 21 MSBuild.exe 15->21         started        24 MSBuild.exe 15 2 15->24         started        27 conhost.exe 15->27         started        signatures10 process11 dnsIp12 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->61 63 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 21->63 35 ip-api.com 208.95.112.1, 49692, 80 TUT-ASUS United States 24->35 65 Tries to steal Mail credentials (via file / registry access) 24->65 67 Tries to harvest and steal browser information (history, passwords, etc) 24->67 signatures13
Gathering data
Threat name:
Script-WScript.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-08-14 13:49:54 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla defense_evasion discovery execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
AgentTesla
Agenttesla family
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:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:without_attachments
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:with_urls
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/

File information


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

Web download

AgentTesla

Visual Basic Script (vbs) vbs 05215a379ae277dd2a72c88fd255b4554d23ea45745579b3bc69a5071632f636

(this sample)

  
Delivery method
Distributed via web download

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