MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81fd4490cd810f93366708b6f01f7272aa7bc2d6dda02219d18b18b07cda3f4b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81fd4490cd810f93366708b6f01f7272aa7bc2d6dda02219d18b18b07cda3f4b
SHA3-384 hash: 18011fdb13563544b321196762f801fa504bcf1ee9ad3ac030d916359011b63164399d49bf4974780d77afa9818b42f2
SHA1 hash: d197cbaf8d90b6cd6eea2c89fc5dc05067c0f265
MD5 hash: 099b094ce457dba6522ceafaed6ad0f1
humanhash: leopard-ack-march-cardinal
File name:orden de compra.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:660'480 bytes
First seen:2020-07-10 17:36:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'494 x Formbook, 12'214 x SnakeKeylogger)
ssdeep 12288:vNi5nh9jIpwVp7YRw29V8QiCjGW6NH/htwdcFCrLnP5Q5:vw5njIpGoiQwKdcsr7P5Q5
Threatray 11'026 similar samples on MalwareBazaar
TLSH 52E4E0307EE89AC1C73B1E725862DC114F71AA6B6762E79F2DC41DEB185BBC40901B87
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: jazz.webserverns.com
Sending IP: 173.237.189.171
From: Ariel Natale <anatale@motomec.com.ar>
Subject: Re: Re: orden de compra
Attachment: orden de compra.zip (contains "orden de compra.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/24459/
Detection(s):
SecuriteInfo.com.generic.ml.18506.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81fd4490cd810f93366708b6f01f7272aa7bc2d6dda02219d18b18b07cda3f4b/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-10 17:38:07 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qh6ujegnqehzgnthbc3pah3sokvhxqww3wqcegorrmmla7g2h5fq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8da3a2f25d5d040bf01906116e848049efa21f3c8bafd7e38983e3369e5b6053
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8dbce48da11c07a9e5fdb5f3943cc358dd77a4b5766b87948ad490b9843114db
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c009a8f31831ae12282cd07543a96c09ce930988f1cbf55e2eaaef4958c39ee6
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cf68a7c48d635344bd361d266982ecef93bdd9a1bc205e68e1d488294e2352e0
AgentTesla
+ 11'016 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/200710-4an6kehsnx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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

zip 47a3b1591f760aea28867794472b94e8c56f484144a24d5b626dab4c5ff7cace

AgentTesla

Executable exe 81fd4490cd810f93366708b6f01f7272aa7bc2d6dda02219d18b18b07cda3f4b

(this sample)

  
Dropped by
MD5 c020a10860d270a665b46c10fb9e3c4a
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24459/
  
Dropped by
SHA256 47a3b1591f760aea28867794472b94e8c56f484144a24d5b626dab4c5ff7cace

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