MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b63a3d59a9a406dbbf194da0ad4838fa867081dbd02b5fb2a8ec29fee3247d48. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b63a3d59a9a406dbbf194da0ad4838fa867081dbd02b5fb2a8ec29fee3247d48
SHA3-384 hash: 57e7f24af2937d1dfe4e24f08eabdea076d4f88c761fe14aa81e0848a03c4190401361af7abde3a960acfa6f94713da1
SHA1 hash: ab450f7372386d3745bdc630c393cb0c18661b30
MD5 hash: cccc7b901686dd3693f0ec4bf1344b23
humanhash: east-juliet-robert-idaho
File name:Facturas Pagadas al Vencimiento.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:505'856 bytes
First seen:2020-05-14 17:32:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:lqNJkQ7ryJEVgNjnwUH3g1wk3DymPS05iBgUdcO8G:CiQvInwUEPyoSZem
Threatray 10'685 similar samples on MalwareBazaar
TLSH C3B4E07C3BAC0F33C4BE49F44561664447F021E9794AF6C99DD1B0EB06E1BA30BAA467
Reporter abuse_ch
Tags:AgentTesla BBVA ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.despachoweb.es
Sending IP: 185.231.92.100
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.gascuenca.es:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 17:35:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wy5d2wnjuqdnxpyzjwqk2sby7kdhbao32avv7mvi5qu75yzepvea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'675 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-w3x6w14db6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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 8608c773dc110ffd7c9b68f22385fba73f27e210dc1f18b25a42d89467866fc9

AgentTesla

Executable exe b63a3d59a9a406dbbf194da0ad4838fa867081dbd02b5fb2a8ec29fee3247d48

(this sample)

  
Dropped by
MD5 490b6126afc44756026d83dc86c6e6ec
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8608c773dc110ffd7c9b68f22385fba73f27e210dc1f18b25a42d89467866fc9

Comments