MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44ce0aee858d173dd0575154562f83765798c772f2d22781a107713619d77da5. 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:	44ce0aee858d173dd0575154562f83765798c772f2d22781a107713619d77da5
SHA3-384 hash:	eee271eb8c55319d187d29c3c924afcd68cfe1eb5a15d5647b9fb2b98efcead35815055f574485f21a3b517a003928b1
SHA1 hash:	4b860c8f44c042b186696f90d16d13c18b1ada82
MD5 hash:	62df3974ab561482298cfa714ea69814
humanhash:	four-autumn-yankee-winter
File name:	Products description.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	613'176 bytes
First seen:	2020-07-28 13:21:06 UTC
Last seen:	2020-07-28 14:07:43 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	6144:Tkzwuh8BSfN7Bv16pDBMsT8C55k/Bd0+gKAjWixZwlID0EEFFGGy4Uqn:TYwutfN7BvQ94km8KnixxK7GGy4Jn
Threatray	10'659 similar samples on MalwareBazaar
TLSH	1ED44A65B6810084CC3D273495BD8D957A8B7E9AADB8D90D2AEF33146FB31E3253701E
Reporter	abuse_ch
Tags:	AgentTesla exe Yahoo

abuse_ch

Malspam distributing AgentTesla:

HELO: sonic314-19.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.240.143
From: Pia Hildebrand <andre_sutisra_72@yahoo.com>
Reply-To: Pia Hildebrand <andre_sutisra_72@yahoo.com>
Subject: RE: Product description
Attachment: Products description.zip (contains "Products description.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/33676/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen2.52695.27786.30398.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

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/400373

Signature

.NET source code contains very large array initializations

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to register a low level keyboard hook

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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/44ce0aee858d173dd0575154562f83765798c772f2d22781a107713619d77da5/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-28 13:23:05 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ithav3ufrult3ucxkfkfml4dozlzrr3s6ljcpanba5ytmgoxpwsq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

502875f253deea02380d3ee75353276b6dc7aad5210f968786aa9c69999f95f0

AgentTesla

51cd50a11b008b97589100b5233bf8ce7926dd49bb197ef45abd62788c5fdbcc

AgentTesla

53ee5b68eda4b568f3926e3a998d9cbdca156bbfd74ae4add5bc08f8f72f372e

AgentTesla

6ac8760908f2570c325974687806483fc02913c23a476a575362030f3926e2e5

AgentTesla

7867241670b0fd664072e1bf555bc56b8291a80e01adeebcffcc768a0e88c117

AgentTesla

89783698af3d7850d24aab49842448e97ea61977ceb7133d501057349d8cbffe

AgentTesla

a6a23d999601731d5feb9139f6e63ed206a2c45c9c6f2cd700da173b2a869661

AgentTesla

c82a5ce771ee4c6afb7406184afba40c9aa6281c54cb9d6eeef5861d476cb3e9

AgentTesla

df606c28da35e359bd59ca41514cc091ef18376114f13fa4073c58dd895bf248

AgentTesla

+ 10'649 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

persistence spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200728-lxha488h9e/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Adds Run key to start application

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

AgentTesla

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

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/44ce0aee858d173dd0575154562f83765798c772f2d22781a107713619d77da5

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