MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1237b8ef1ef28e7481b47113c644429a68c87858cc5ee8a020607f75696863d1. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1237b8ef1ef28e7481b47113c644429a68c87858cc5ee8a020607f75696863d1
SHA3-384 hash: 9626b673b38c475ff9781e04835571073facef191afff271dcafeafb599f450ea8eb6a4bc0811f48c220e4f002bc4c27
SHA1 hash: b098b560be9aababae267c4643cc61639d1f8425
MD5 hash: fb739af6dbe47cb7c5cdd1ebde656bcf
humanhash: indigo-august-harry-wolfram
File name:Prueba de pago.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:637'440 bytes
First seen:2020-07-10 17:48:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:B1gp0BeqsahtwHr7Foj3m6cjwmHocFCrLnP5Q5:Xg/THrpojbcgcsr7P5Q5
Threatray 11'019 similar samples on MalwareBazaar
TLSH F0D4E0703EE8D9D0C33A4E3694B2CC214A75A96B6B22E79F2CC42CEF049B7D40555B97
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: outmx-267.london.gridhost.co.uk
Sending IP: 31.170.120.152
From: Paula Dominguez <pdominguez@pablopadilla.com.ar>
Reply-To: Paula Dominguez <ventas@mingetal.cl>
Subject: Re: Prueba de pago
Attachment: Prueba de pago.r00 (contains "Prueba de pago.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24473/
Detection(s):
SecuriteInfo.com.Malware.20612.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1237b8ef1ef28e7481b47113c644429a68c87858cc5ee8a020607f75696863d1/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 16:53:35 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ci33r3y66khhjanuoej4mrcctjumq6cyzrporibamb7xk2limpiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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46200359aaf042b4f42a8ee7b23b1b573013d80e7335ac8fb5c870dfdd9f02d7
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bec49428d91505adca491651a2376e3d90e33091dad7c2b63a7db472d2a28e57
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c20bf46e171b1fb990b58670e5726d602e4b420b1391eedbf0dcc20db5622e1c
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ff4bcfd3663088b0e8fed48b19bf950f8a6680fea9d3b0a478ac1fbfbcefeeef
AgentTesla
+ 11'009 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200710-ga2r1v5akx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

r00 8d718968dad0ea8c6506c72ec81b0a6cd5726ea2acbb6fce75273e07d3878cdc

AgentTesla

Executable exe 1237b8ef1ef28e7481b47113c644429a68c87858cc5ee8a020607f75696863d1

(this sample)

  
Dropped by
MD5 93581dbfb0acbdb52eb843c5fd656a1a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24473/
  
Dropped by
SHA256 8d718968dad0ea8c6506c72ec81b0a6cd5726ea2acbb6fce75273e07d3878cdc

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