MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21bd51648717ab3722e7bedb6e1f0c6ae28d33db671f1ce93f277c3510133588. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21bd51648717ab3722e7bedb6e1f0c6ae28d33db671f1ce93f277c3510133588
SHA3-384 hash: 9d1fa76d6a1746609bcc37ee983f172fcb8102f77fa865339653bb06a0d3355945feb1fae17279fb5ababf6f236f04de
SHA1 hash: 85ee63ef80ed90b59f11b25ea1e2d80cb8b84f69
MD5 hash: 3c271a4b0527319e084933d67078deeb
humanhash: orange-quiet-artist-violet
File name:Aviso de pago.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:164'586 bytes
First seen:2022-12-17 08:09:23 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:UXFYW3aQivIwzXfu4vy2OLO8ozlADw8auustFmbicH0:UXFJliLfuE8ozlADw8auustFmbicH0
TLSH T15DF3B15162E95108B2F33F91B9FE55118F3BFEE99D35C94D42880AAE53A2901DCB1B33
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:AgentTesla vbs


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.keefort.com.ec:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/347249/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.7594.29576.12157.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm winrm.vbs
Link:
https://www.filescan.io/uploads/639d795dd6dc842693260f46/reports/48f67583-57db-4e8b-866c-48e30c0910ec/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1136525
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Suspicious powershell command line found
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
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Gathering data
Threat name:
Script-WScript.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2022-12-16 22:51:11 UTC
File Type:
Text
AV detection:
6 of 26 (23.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eg6vczehc6vtoixhx3nw4hymnlri2m63m4prz2j7e56dkeatgwea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221217-j2pzgsgd38/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
AgentTesla
Malware Config
Dropper Extraction:
http://4.204.233.44/DLL/NoStartUp.ppam
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21bd51648717/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/21bd51648717ab3722e7bedb6e1f0c6ae28d33db671f1ce93f277c3510133588

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:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/347249/

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