MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b05a874ccc1a00c90295be982d116a40b10e26aeaa304219fc27b5b5f0f74a67. 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 1 File information Comments

SHA256 hash: b05a874ccc1a00c90295be982d116a40b10e26aeaa304219fc27b5b5f0f74a67
SHA3-384 hash: 4f8da1e0deacc83d12e5bd5f49af5a8d4c8be5e41be5b590f9f8b498fe20384909d8ee4057cb765436b6eca62bc2548e
SHA1 hash: 02ae841fd24f49c44e0343150f8a37ecd1d41c6b
MD5 hash: 03110e7d05f64c49a35a3e60d049f2b0
humanhash: emma-oregon-winner-washington
File name:PO 31874.vbs
Download: download sample
Signature AgentTesla
File size:1'128'177 bytes
First seen:2026-07-15 07:17:03 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 192:xg3WPDtyTQSBTXo96ingCTCRGXl+TtMbUbg8LSBTGzbhozbhI3CuFdFilIGNYGJy:xA5waJ
TLSH T10F3583017DD91DB9133A1CC93ACB4E42C9F20E57112B739F924EEF69A4A1DD0796138E
Magika autoit
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
97.4%
Tags:
ransomware trojware autorun shell
Verdict:
Malicious
File Type:
vbs
First seen:
2026-07-14T20:40:00Z UTC
Last seen:
2026-07-17T04:58:00Z UTC
Hits:
~1000
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Drops VBS files to the startup folder
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1942740 Sample: PO 31874.vbs Startdate: 15/07/2026 Architecture: WINDOWS Score: 100 32 icioinc.com 2->32 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Powershell decode and execute 2->44 46 4 other signatures 2->46 8 wscript.exe 1 1 2->8         started        11 powershell.exe 14 15 2->11         started        14 wscript.exe 1 2->14         started        signatures3 process4 dnsIp5 48 Suspicious powershell command line found 8->48 50 Wscript starts Powershell (via cmd or directly) 8->50 52 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->52 54 4 other signatures 8->54 16 powershell.exe 13 8->16         started        34 icioinc.com 172.67.136.120, 443, 49744, 49745 CLOUDFLARENET-CloudflareIncUS Canada 11->34 20 conhost.exe 11->20         started        22 powershell.exe 14->22         started        signatures6 process7 file8 28 C:\Users\...\PO 31874.vbs:Zone.Identifier, ASCII 16->28 dropped 30 C:\Users\user\AppData\...\PO 31874.vbs, CSV 16->30 dropped 36 Drops VBS files to the startup folder 16->36 38 Found suspicious powershell code related to unpacking or dynamic code loading 16->38 24 conhost.exe 16->24         started        26 conhost.exe 22->26         started        signatures9 process10
Verdict:
Malware
YARA:
2 match(es)
Tags:
Base64 Block Batch Command Contains Base64 Block DeObfuscated Obfuscated PowerShell PowerShell Call Powershell: Hidden Execution Scripting.FileSystemObject T1027 T1059.001 T1059.005 VBScript WScript.Shell Wscript.Shell
Threat name:
Script-WScript.Backdoor.FormBook
Status:
Malicious
First seen:
2026-07-14 23:59:44 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 collection discovery execution keylogger spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: AgentTesla
Process spawned unexpected child process
Malware family:
AgentTesla
Verdict:
Malicious
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

File information


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

Comments