MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02343c3fa1176e06ba37758a53edefdeed2200f470dc184cb2d45406f2e16d38. 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:	02343c3fa1176e06ba37758a53edefdeed2200f470dc184cb2d45406f2e16d38
SHA3-384 hash:	361efd75b68739c2523ef0395d2ac46636ad3630ed1c736f97ed9a4870f9cdeda763a7d890cf63c972cb7a9969b9a9f2
SHA1 hash:	f5e3543b0da88311ddc608a2b91904f554cde3b9
MD5 hash:	ba6864f7a94d952d28f64c48ba24cd01
humanhash:	venus-yellow-seventeen-king
File name:	W04-BOD01.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	642'360 bytes
First seen:	2020-08-17 08:56:13 UTC
Last seen:	2020-08-17 10:08:27 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:lS14FFhvAqvxXdF9UWK5WpLQ8kGQRowTaeF9jT4v4W+CSuaphgvuAFgqGbKdRw:lS1QbvgWK5WpLQCQRowWe7YazOV/Gb4w
Threatray	9'674 similar samples on MalwareBazaar
TLSH	9ED44A3A31825D19C937027524B8A9CAB36066473FC5CF6E62CB83CD6F02A5B77E594C
Reporter	abuse_ch
Tags:	AgentTesla exe MailChannels

abuse_ch

Malspam distributing AgentTesla:

HELO: bumble.birch.relay.mailchannels.net
Sending IP: 23.83.209.25
From: ivar@co.jp.sxtey.xyz
Subject: RE: PO W04-BOD01
Attachment: W04-BOD01.B.uue (contains "W04-BOD01.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/46843/

Detection(s):

SecuriteInfo.com.ArtemisBA6864F7A94D.23284.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% subdirectories

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/432959

Signature

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 detect virtualization through RDTSC time measurements

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/02343c3fa1176e06ba37758a53edefdeed2200f470dc184cb2d45406f2e16d38/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-17 04:50:18 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ai2dyp5bc5xanorxowffh3pp33wseahuodobqtfs2rkan4xbnu4a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1aec248bb2bd00454075223d34318765b2f98bafcb17604c72d9934379864f7b

AgentTesla

2df3e51954ea1df7ed33355df01412a600f8e23a09b0f0c9c99af13d7f90cebc

AgentTesla

459b601dd88a555262d1894130f50d94f9a72207cda05dd1668839558d624552

AgentTesla

6f881ac62ccc9fa3075114b64de262ef896ef9e14b4040e659fe7a362fe13362

AgentTesla

80f341333728513fea45dc07c8582e5a8c3ac630de39b53ef23d1742ddc0f5d2

AgentTesla

8207b09240b974dbc811f65ba6ce318511c2148c22bcc73c5a35f034ae2bb7b6

AgentTesla

99afa20e22dac4e8fd5f536c3fd6c806fa6a9f52a0458c0c1a90fdc3e8a1f3f8

AgentTesla

bf7bdc6825c2f863095795d10195f76265c5a062850ebc4b40ff0a51f62365e8

AgentTesla

d1165dab325f43ce9df0a04c9a2c832b7f2c34696337fc7e43195ca1450e60a5

AgentTesla

+ 9'664 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

agilenet keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200817-zyh4m4yla6/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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

AgentTesla Payload

AgentTesla

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/02343c3fa1176e06ba37758a53edefdeed2200f470dc184cb2d45406f2e16d38

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