MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 652c0bdfcb3143e7e53653a820dcf1a3528afb60a09ae7817ef20e6094d97596. 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:	652c0bdfcb3143e7e53653a820dcf1a3528afb60a09ae7817ef20e6094d97596
SHA3-384 hash:	6d42141d8e689da5758831f08710f5a26d759f39e1eb631db68e4a0e022c033fb1d3ce7f137c4e565b6463f26f0b9b35
SHA1 hash:	d31409135c0c72af825413cef2a5fc8a87e434af
MD5 hash:	234a825d2eff8cbb96042dbe414d20cb
humanhash:	seventeen-massachusetts-carbon-four
File name:	Refno07312020.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	777'216 bytes
First seen:	2020-08-05 06:52:55 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	89f9603ab119f487b36c91fab25c064e (8 x AgentTesla, 4 x Loki, 2 x MassLogger)
ssdeep	12288:J9N5xdEzBMwNXyseVY06gkdo7AL8Mj0a21VAWn3+bYmmYjdTqbl:jnczvIYl83a2b93TYjql
Threatray	11'800 similar samples on MalwareBazaar
TLSH	EBF48C23B2AC073EC1661779F83B43785929BF732DE858463EE89D4C5E3924939252D3
Reporter	abuse_ch
Tags:	AgentTesla ESP exe geo

abuse_ch

Malspam distributing AgentTesla:

HELO: metzerplas.com.ec
Sending IP: 185.222.57.165
From: metzerplas-ecuador@metzerplas.com.ec
Subject: Re: DEVOLUCIÓN DE PAGO TT (Ref no07312020)
Attachment: Refno07312020.gz (contains "Refno07312020.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/38990/

Detection(s):

SecuriteInfo.com.Win32.Herz.B.23927.UNOFFICIAL

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Sending a UDP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/410206

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Machine Learning detection for sample

Maps a DLL or memory area into another process

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:

n/a

Link:

https://mwdb.cert.pl/sample/652c0bdfcb3143e7e53653a820dcf1a3528afb60a09ae7817ef20e6094d97596/

Threat name:

Win32.Infostealer.Fareit

Status:

Malicious

First seen:

2020-08-04 22:58:29 UTC

AV detection:

42 of 48 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=muwaxx6lgfb6pzjwkoucbxhrunjiv63aucnopal66ihgbfgzowla._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

1b891a31aa508effd78b280b17b15c26272802119470fe5d80de04967a924e53

AgentTesla

3e97661257ce0ef03a853b691e8a9f8af760c3237b72135a352570d1dfd5c959

AgentTesla

4db172a3add025bb44505c227dc6ed6fadd0ca3f47f41b46ae11b7865b481539

AgentTesla

611656c80c7c9b32e24f770d70ba8488cd2b4079b35f7308fd4261d06480ec3f

AgentTesla

64f8fa17e1c81734ad0dda8ad659c1360b9ae231890a4c9557ac771b99a01c78

AgentTesla

8e1f5e94e0e8ea6f82b75d5b21f3964b77df3810c65a875c1ddfcaef53c5e10f

AgentTesla

9f0c636096918ffd81f45e54f65d8992726cbfbef9a8d087476ab5360590d35d

AgentTesla

e192674e243cfae4c1e3e45e31084bb4bc3434a05342f6160caf2ce4b7c0ded1

AgentTesla

edea4daffcfebbb11f70cfa4fdcc38c85eeb8de82fe6be10e41efb520f7c7496

AgentTesla

+ 11'790 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-baqke9v2xj/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads data files stored by FTP clients

UPX packed file

AgentTesla Payload

AgentTesla

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/652c0bdfcb3143e7e53653a820dcf1a3528afb60a09ae7817ef20e6094d97596

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