MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b493bfa582517822bc421986d77474e1877819c4b3a32d9bfc07e5d0a3859696. 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: b493bfa582517822bc421986d77474e1877819c4b3a32d9bfc07e5d0a3859696
SHA3-384 hash: dbd2dbdc293e3bb88d19def984485d71364627691911e3c4dd70444af81c0ad19d54194f0a99d67fb079aa801d577bf0
SHA1 hash: 0bbe7694a1a15cebd7732067a31be3a3d68aa962
MD5 hash: feba244066a79a81c9e3c19ed72efc7f
humanhash: purple-grey-mars-uranus
File name:7665545433111.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:670'720 bytes
First seen:2020-06-02 10:11:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:+aUDG3Kp1f6VEJD6Lp47Z/ObABmYhrdO/p2ubIFynnKejXcSOcHRbz0R+rWRFTlj:+aUDdX6VEt6sVO/p2ubIFkKejsSPqrx
Threatray 10'799 similar samples on MalwareBazaar
TLSH 64E45C3E7685A806D13D057340AA56D1AAB2D5433E02C31F7ADA679CAF027CF3F4625E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.geomediaconsultores.net
Sending IP: 195.248.230.98
From: Factoring y Confirming - Grupo Santander <fycout@gruposantander.com>
Subject: Confirming - Aviso de pago
Attachment: 7665545433111.GZ (contains "7665545433111.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 10:56:00 UTC
AV detection:
16 of 31 (51.61%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsj37jmckf4cfpccdgdno5du4gdxqgoewors3g74a7s5bi4fs2la._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2708ef31f454b713b33dab23c587506550e228ae9a1463965b470f637dbaf07c
AgentTesla
2f9864a34c7914cd87d6f031efc7b5bfd80aa26c8bdf82d60f56483105f68740
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5ecfea430f1801299be4a50346c041ba396e4b7e30f635f7ec579ebf56328d80
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63b8540184d93b3fc40248ba537de7aa573d075225b3031a72ddff23fc1a87de
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67f0acf1f635fbb92bd3f70a1babe5aa3e68797b95aa945ebc8c5874913c2603
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81882ea9cd81b6de260e0638ce0a9efdee71edae57a5e0ccbefb2effcf7f0af4
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b9e74c886a2ecadb0dc31306ff04b9c9df989ba04f06e8791c94aa49f6651d92
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bb836ba9f7e9ec5c1d5e16132ef106ea8c89f160a12538af3e02704edabcfb4c
AgentTesla
c77c5b4a3662589a0b9bb1b9bdde49afe9ab55d2b1ac17a1c23e056801c1a922
AgentTesla
c937cb4df47b95dc962b230d3980877401253dee5ac04066a2198b84e70b34ac
AgentTesla
+ 10'789 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-wx48cy7b2j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
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

gz f8ebeeb2fc34911d6bfc1c6d61a1a30714ecbbdb6afdcf51f31f9b7a105b3b39

AgentTesla

Executable exe b493bfa582517822bc421986d77474e1877819c4b3a32d9bfc07e5d0a3859696

(this sample)

  
Dropped by
MD5 a6b56010cb6ef0902a77b5c30d3ce1ae
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 f8ebeeb2fc34911d6bfc1c6d61a1a30714ecbbdb6afdcf51f31f9b7a105b3b39

Comments