MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac979891a231a3af79a31a52663f77fe151bbbddee9b13750ea02e82f6aefd40. 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: ac979891a231a3af79a31a52663f77fe151bbbddee9b13750ea02e82f6aefd40
SHA3-384 hash: 201d21b9de3115eb2c08dbf473bcdd389b7f60da5a4e34d28bd18591eb0416a5e372a99bb72610ce479585fb3fd722d1
SHA1 hash: b41b78454e0441df4a3a87f62a896e0133d46063
MD5 hash: d1c78423165fbff2c47ffa3d31680456
humanhash: pasta-fanta-lithium-uniform
File name:Facturas Pagadas al Vencimiento.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:524'288 bytes
First seen:2020-06-25 13:09:11 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:TsO9OA30Mn29zbfRu5n8eqGCqIdONkI/PbdVrUlrwTdJ:TsO9OAkMnUyn8BceI/LrQe
Threatray 10'641 similar samples on MalwareBazaar
TLSH C3B4F2180254AFA6D97D877ED0E51061C3F8A102722BF37A9EC074ED2DE3B91D54A36B
Reporter abuse_ch
Tags:AgentTesla BBVA ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.s070039.furanet.com
Sending IP: 93.93.70.39
From: Confirmingbbbva@bbva.com
Subject: BBVA-Confirming Facturas Pagadas al Vencimiento
Attachment: Facturas Pagadas al Vencimiento.r00 (contains "Facturas Pagadas al Vencimiento.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14306/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.44022.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac979891a231a3af79a31a52663f77fe151bbbddee9b13750ea02e82f6aefd40/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-25 13:37:54 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vslzrencggr266nddjjgmp3x7ykrxo6552nrg5iouaxif5vo7vaa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'631 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/200625-9g9wby2lxs/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
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
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 9cab48c42a443f01761dc30a3248c8ec757acd4df407df991ec2fedd70bba2d8

AgentTesla

Executable exe ac979891a231a3af79a31a52663f77fe151bbbddee9b13750ea02e82f6aefd40

(this sample)

  
Dropped by
MD5 0745c61b73a7b3bfc7125b2085eda9b2
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9cab48c42a443f01761dc30a3248c8ec757acd4df407df991ec2fedd70bba2d8
Cape
Cape
https://www.capesandbox.com/analysis/14306/

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