MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 054ec2f2a97d3ded97d4f25574b131e809ff1446a1c309a3c76bd4a8cf385fe6. 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:	054ec2f2a97d3ded97d4f25574b131e809ff1446a1c309a3c76bd4a8cf385fe6
SHA3-384 hash:	4c5e0901308bfdf876c2467787c75d98b576ef17adb6e5fa1ed35adb250095ab0a4b3c6092d313396538eb9495707cf2
SHA1 hash:	bfc2b520d1aed2bb21ef4abdba3fb0535a040665
MD5 hash:	8ed0a379505c109384edfa323fd592b2
humanhash:	magazine-wisconsin-juliet-north
File name:	Image001.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	563'712 bytes
First seen:	2020-07-29 10:51:32 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:7sXHG5tGrhd7B4rnV6n6NgpE7eEaosaxgfc:8G52hkng6NgpE7Nao3N
Threatray	10'806 similar samples on MalwareBazaar
TLSH	18C4E00065145B1FC72B84B87423C9F02267E0A9EBA1EEB35D8FE06719D26FD7983563
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: console.itsmind.co
Sending IP: 139.5.145.47
From: Vasakorn Nilpetploy <info@kiaenergy.com>
Subject: Re: Transfer Confirmation
Attachment: Image001.gz (contains "Image001.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/34761/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

Creating a window

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:

100 / 100

Link:

https://www.joesandbox.com/analysis/402276

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

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 sandboxes and other dynamic analysis tools (process name or module or function)

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

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/054ec2f2a97d3ded97d4f25574b131e809ff1446a1c309a3c76bd4a8cf385fe6/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-28 21:23:35 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=avhmf4vjpu663f6u6jkxjmjr5ae76fcguhbqti6hnpkkrtzyl7ta._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

123e454af642e26f82ecd6fec5b7f3e5a04c015dad7c5880b1101d00ba1c804d

AgentTesla

1e106807f156e828afa3dd2faca574cd0edf459289f53e83a57ac98c52e7199a

AgentTesla

28ea5f3c757973759e967f2a489b85cfad60f620156887145759443b4d673ddf

AgentTesla

3dd701e877f0f802984c90bcfdcde54c35780c9afb459b2d395e6d38b2d4a503

AgentTesla

4c09fce4576481f55dcd4cffbe780d90867da332a6d86666831496fa33e36b84

AgentTesla

6770ffec040c10ed6a13f0e654e9ac96763d3dd9c0c214ce658aa0648367216a

AgentTesla

bcd7372fd84fe78e97a72a842df6cab2a5d7a47909a3fd05b13f6f4990de8a7f

AgentTesla

c7eaea6b1bb5d064d8db564ca8bb56b940a1f6fd932b75a1934704da667a29c2

AgentTesla

e7198a6f6cf52e2f218e8354fbe9d3a59f7154aec99ec74d51017f7f9ff82ba1

AgentTesla

+ 10'796 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200729-6nf4ykha3j/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

AgentTesla

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

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/054ec2f2a97d3ded97d4f25574b131e809ff1446a1c309a3c76bd4a8cf385fe6

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