MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 227c57f9aef1faa70cb8a19507b4ee5e99e6dd6d2925cb816cc25b839e8dd186. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	227c57f9aef1faa70cb8a19507b4ee5e99e6dd6d2925cb816cc25b839e8dd186
SHA3-384 hash:	b470cbdadbb23482454545ffa9ea4102310d3db44748122b2424ad74d0b99e6c20a3f647a8cd9aad5a7136011cee15a1
SHA1 hash:	eef1c2abb0037192e7767e0b8e9525643b86182c
MD5 hash:	97c7186ba10ac94a1785c9ffe9c8300f
humanhash:	west-march-michigan-delta
File name:	Booking (Ref DF000083-JJ).exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'023'984 bytes
First seen:	2020-06-02 08:15:25 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	24576:xkhBg9PBOtXzBWz5Cu9ajoraVDKoNbn1zu+f:xVgrpAUN+oNb9u+f
Threatray	655 similar samples on MalwareBazaar
TLSH	B725E0657E1CF4AEC80EC4B3EA128CCBAA706C7913965553A0277A3F853C257EF1D0A5
Reporter	abuse_ch
Tags:	AgentTesla exe

Code Signing Certificate

Organisation:	Google LLC
Issuer:	DigiCert SHA2 Assured ID Code Signing CA
Algorithm:	sha256WithRSAEncryption
Valid from:	Nov 7 00:00:00 2018 GMT
Valid to:	Nov 17 12:00:00 2021 GMT
Serial number:	0C15BE4A15BB0903C901B1D6C265302F
Intelligence:	7 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	3CA4FC0489E3E25B1A6A8514A9486B257FD8B80B9F3181AF20A34FA9EF5AB282
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

abuse_ch

Malspam distributing AgentTesla:

HELO: apollo.t.mk
Sending IP: 195.26.152.35
From: javor@t.mk <javor@t.mk>
Subject: BOOKING
Attachment: Booking Ref DF000083-JJ.cab (contains "Booking (Ref DF000083-JJ).exe")

AgentTesla SMTP exfil server:
mail.radiomeff.mk:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-06-02 12:20:41 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 48 (54.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ej6fp6no6h5kodfyugkqpnhol2m6nxlnfes4xalmyjnyhhun2gda._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1c6126424bce5c1a5456567f26e821c877262af45c92a6aa7989e6fff22e7add

AgentTesla

203c7c9275ba54c892f4b1ffa9e163ad3a00f14c3aa4f8953a93eecacbd2f95f

AgentTesla

2a7bd176d4a85ea3501f330411b9cb3b7260d33fa44cc78f42d644f790e7d2b2

AgentTesla

2eebb01bf1beb78cf343f5465a600eaf0c17af2bd28a7133d41581e8fa2ee5a4

AgentTesla

310357fce084be8373ed754c4a6ea2fb426d90aac3d1fb1fffae16b63051b9c4

AgentTesla

3e5a8f8b4f91747935f9f40474b21de8d345653189e370c5c39715ff57ccd414

AgentTesla

924d2110a668acae185a205cc51772d088304b941e306ae369b7f62f788d3632

AgentTesla

e9f0d843d20ec7dbba3f8e8e4a412d369d997b384a10762ccf02544738a39358

AgentTesla

ef487c1055b8387187c2874c5705dd7a35b13348cad2f15e9cde486bbf850e95

AgentTesla

+ 645 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-yb1sef97ne/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies service

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

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

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:	win_blackremote_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator