MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f881ac62ccc9fa3075114b64de262ef896ef9e14b4040e659fe7a362fe13362. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	6f881ac62ccc9fa3075114b64de262ef896ef9e14b4040e659fe7a362fe13362
SHA3-384 hash:	01a06bdab9722215aeaab076cfa5e08bbfe756966f99abc7c53ed8ae731456e8734f7bcf76448f99b523b61d22e464d6
SHA1 hash:	7e281dd379a36d75243d4a4770061bac73f658de
MD5 hash:	93879252b2e0f720315a2bf4b7d8aaf8
humanhash:	uniform-summer-gee-lactose
File name:	PI 20-S880320V8.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	549'888 bytes
First seen:	2020-08-19 14:17:03 UTC
Last seen:	2020-08-19 14:45:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	6144:IlKNLdi9Vm8kGQRowTaeF9jT4v4W+CSuaphgvuAFgqGbKd:4KNLdi9VmCQRowWe7YazOV/Gb
Threatray	9'785 similar samples on MalwareBazaar
TLSH	8EC45B3935824409CB1542B1087CEDC6F6287A8D3B858B7EF5EB530DAF0AA6F3B6551C
Reporter	abuse_ch
Tags:	AgentTesla exe MailChannels

abuse_ch

Malspam distributing AgentTesla:

HELO: beige.elm.relay.mailchannels.net
Sending IP: 23.83.212.16
From: Bergamot Sdn Bhd <sales@co.jp.kxikn.xyz>
Subject: Re: Fwd: Re: RE: Revised Invoice
Attachment: PI 20-S880320V8.pdf.uue (contains "PI 20-S880320V8.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/48622/

Detection(s):

SecuriteInfo.com.Mal.Generic-S.13031.6594.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/438436

Signature

.NET source code contains very large array initializations

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

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

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, 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 AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/6f881ac62ccc9fa3075114b64de262ef896ef9e14b4040e659fe7a362fe13362/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-19 01:11:37 UTC

AV detection:

20 of 28 (71.43%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=n6ebvrrmzsp2gb2rcs3e3ytc56ew56pbjnaebzsz7z5dml7bgnra._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

11a5f4461ccbc87643e0bf662301104bd17ae6720869ed6edd5cfa5538c26740

AgentTesla

2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc

AgentTesla

459b601dd88a555262d1894130f50d94f9a72207cda05dd1668839558d624552

AgentTesla

7867241670b0fd664072e1bf555bc56b8291a80e01adeebcffcc768a0e88c117

AgentTesla

80f341333728513fea45dc07c8582e5a8c3ac630de39b53ef23d1742ddc0f5d2

AgentTesla

8207b09240b974dbc811f65ba6ce318511c2148c22bcc73c5a35f034ae2bb7b6

AgentTesla

99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8

AgentTesla

bf7bdc6825c2f863095795d10195f76265c5a062850ebc4b40ff0a51f62365e8

AgentTesla

d1165dab325f43ce9df0a04c9a2c832b7f2c34696337fc7e43195ca1450e60a5

AgentTesla

+ 9'775 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

agilenet keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200819-j9y6lwmxa2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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

AgentTesla Payload

AgentTesla

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6f881ac62ccc9fa3075114b64de262ef896ef9e14b4040e659fe7a362fe13362

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