MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3495ebe6b428bddfa71646ed4e09f1f707d7b8a512549841c96d88bc03f328db. 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: 9

Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash:	3495ebe6b428bddfa71646ed4e09f1f707d7b8a512549841c96d88bc03f328db
SHA3-384 hash:	fa980d0495f2e85bddb5a11d4a86b9b1e88699b93f61000cbef34acf98c720f773581e5e05d40ce57ce5b7f2ae301e31
SHA1 hash:	6bdbe09b0ef07742e30efe017c87989b21c46266
MD5 hash:	e7039a6bab57769e5d31dd8f6b205942
humanhash:	gee-hawaii-gee-moon
File name:	gunzipped
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	634'880 bytes
First seen:	2020-07-16 10:39:59 UTC
Last seen:	2020-07-16 12:08:28 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:CFmNH/D2k4zU5NmDNAUdZf2Zly/yt4sdo3xKlzG6IDzJDjz:EmhUNAU/+dZa3xKl
Threatray	11'230 similar samples on MalwareBazaar
TLSH	3DD49DD83550719EC54F8C7689A4DC30A6206D62F7FBE20663D36E9F793D697CB002A2
Reporter	abuse_ch
Tags:	AgentTesla

abuse_ch

Malspam distributing AgentTesla:

HELO: servidor.drapps.info
Sending IP: 31.170.100.61
From: LORENTE GONZALEZ TEODORO <tlorente@gruposantander.es>
Subject: RV: PETICION DE MOVIMIENTOS
Attachment: 169287394-75414-SANWVDDNETP0034-3 2.pdf.gz (contains "gunzipped")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/26695/

Detection(s):

SecuriteInfo.com.CAP_HookExKeylogger.31726.21445.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Using the Windows Management Instrumentation requests

Reading critical registry keys

Launching a service

Creating a file

Setting a keyboard event handler

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/389565

Signature

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected Agent Tesla Trojan

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3495ebe6b428bddfa71646ed4e09f1f707d7b8a512549841c96d88bc03f328db/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-16 10:41:09 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gsk6xzvufc657jywi3wu4cpr64d5poffcjkjqqojnwelya7tfdnq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

3734824d00294eebe71c8752193e73abd3a07e3a51458f18c2470e44098e26b8

AgentTesla

5565cb4e91651be67d5eb323cee69c83d8c4a8b660b2f2f85480d68783d83014

AgentTesla

75bf8cf9e7b9b06f08396a6d6ecf3bca428c00cd79e4b9bf6e56619b67d7c4de

AgentTesla

80f73360664b173a59e37be245fe1b791a61c74649e6a0f15ae5dc7fb984cfdc

AgentTesla

8180021dc09192fa9961d7f2fc35bd7224169746a9ca0e5fbab8569082173152

AgentTesla

b85052d41b6c2615c0a857de8b3bb5f8cd18b19e5a1361ab506cc863906987a1

AgentTesla

c94596dbfbc9fde422a8f6b20fc6e488d9fcd33931e0e2e07430824eeff8a04a

AgentTesla

e8917cab54dca8c56976f8fa973521d58d0fc5abc196906a2aaee1e31c8b007c

AgentTesla

fed94b676ca09d9a2939fe814d21ba5f3569d459b18c28612d367d22c79158f6

AgentTesla

+ 11'220 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200716-q68zavf632/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads data files stored by FTP 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