MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a4cd903a9c0512fcdcde51227c96b5080835d498a75fb5bf0e97fff84d946c4. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a4cd903a9c0512fcdcde51227c96b5080835d498a75fb5bf0e97fff84d946c4
SHA3-384 hash: 3f6051a29e4bb93e5464536224a12c86b99e00ec4f85e0a19497df510ac1a6f16305f5afb52a7fb3b92da09295727df8
SHA1 hash: e8be47122cb5f78db1a4be285e1d8be5e443b4ee
MD5 hash: 3477b780bf6323ac1f67d86233717bbb
humanhash: snake-carpet-fix-fish
File name:Facturas Pagadas al Vencimiento.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:537'600 bytes
First seen:2020-07-01 13:23:17 UTC
Last seen:2020-07-01 14:17:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:UAgFwgUOAZUH7pKc547EU18WLQDQEyFLM3:hgCgHAZ4pxSPm83LM3
Threatray 10'719 similar samples on MalwareBazaar
TLSH 43B4ADC0B6BA0BD6E7B653FB1A62884447FABA3E6139D3580DC275DB90A1F004E51F17
Reporter abuse_ch
Tags:AgentTesla BBVA ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server158807.vservers.es
Sending IP: 188.164.194.140
From: Confirming.bbva@bbva.com
Subject: BBVA-Confirming Facturas Pagadas al Vencimiento
Attachment: Facturas Pagadas al Vencimiento.rar (contains "Facturas Pagadas al Vencimiento.exe")

AgentTesla SMTP exfil server:
mail.vinorema.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18248/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WQF.15800.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a4cd903a9c0512fcdcde51227c96b5080835d498a75fb5bf0e97fff84d946c4/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-01 12:45:29 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjgnsa5jybis7ton4ujcpsllkcaigxkjrj27ww7q5f777bgzi3ca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'709 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200701-22p1yed14a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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

rar fc26f34790dae90e2fbc560cb7eda14111d8d0dcd42c0100334d737baf1a1990

AgentTesla

Executable exe 4a4cd903a9c0512fcdcde51227c96b5080835d498a75fb5bf0e97fff84d946c4

(this sample)

  
Dropped by
MD5 fd17c346fe430c1ea95b92906151752a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 fc26f34790dae90e2fbc560cb7eda14111d8d0dcd42c0100334d737baf1a1990
Cape
Cape
https://www.capesandbox.com/analysis/18248/

Comments