MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b4b9a3ed216be7eac4a0ffa5add89024e0eab7e63ffdf1cb8e8af0e2119feac. 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:	0b4b9a3ed216be7eac4a0ffa5add89024e0eab7e63ffdf1cb8e8af0e2119feac
SHA3-384 hash:	59fdc3a8927a970be4cea139bdad5bd4e78388a0f8313b1e2bbe95b7d763f5de52fbaf5de2a6debad93997cdcad69d7a
SHA1 hash:	45209c07bb060f82f002e2fbd11bf536e9cfe1e0
MD5 hash:	951376f32a5d7407c6050cf92ef76031
humanhash:	timing-carbon-skylark-nine
File name:	payment advice copy.image.scan01.jpg.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	414'208 bytes
First seen:	2020-08-05 07:51:35 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	6144:YLOwVSHHqN49p7pU1nDH8lxFKS3kQDRuyKGVakhz1aStcMj6/yHXcJhdMGrBCcW4:qMHqN4jAnQliSnU7Qky3+rfzTd
Threatray	10'663 similar samples on MalwareBazaar
TLSH	3394F11C36A5914EF27E5E3F5C3105538E27F42FCE62D24B2AB10269057E69CBC61FA2
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: alliedsoyatech.com
Sending IP: 23.159.176.84
From: Accounts <sales@alliedsoyatech.com>
Subject: Payment Advice Note.
Attachment: payment advice copy.image.scan01.jpg.zip (contains "payment advice copy.image.scan01.jpg.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/39122/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP 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/410424

Signature

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

Executable has a suspicious name (potential lure to open the executable)

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/0b4b9a3ed216be7eac4a0ffa5add89024e0eab7e63ffdf1cb8e8af0e2119feac/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-05 07:53:07 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=bnfzupwsc27h5lckb75fvxmjajha5k36mp756hfy5cxq4iiz72wa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

2fc3c25b29d03e4e3167f874a453eb44212071490864e0134ca406ecf14d74a6

AgentTesla

6b0f2c8d4a8c8883be658db9868b33db30eb73755e4688279c29599eb25c6099

AgentTesla

7198765cf784d75d7149e2253af7938eaf1598b960e65351bc0959633f503792

AgentTesla

a050666285b441dd6b72aa1fa6e626f51498acbfd71fbb75d9f3daa4f9802aa9

AgentTesla

a453ccce3dcd1e9b412dbe724af9a04c4f91c994097258f935cf23301156615b

AgentTesla

a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae

AgentTesla

b82d04c79bfd870dd7024db85a5c3c60827776af6bfd6b73306ceebf72150ba4

AgentTesla

bee273e8651fb168e330da50d83a3e4ad3769692d365d20f0cd9e1afbe13bcb0

AgentTesla

f6bef06e07a604f0158a5cd3db9b6dda13ec88a9253b15d8bcf16e94c68eff44

AgentTesla

+ 10'653 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200805-f9rjbbwp4j/

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 local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

Malware family:

AgentTesla.v2

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0b4b9a3ed216/report/overview.html

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

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/0b4b9a3ed216be7eac4a0ffa5add89024e0eab7e63ffdf1cb8e8af0e2119feac

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