MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bdf4c2e5737cf57421110c1e95a10487edfca764e014d367b26e192c1a7e3b7. 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:	1bdf4c2e5737cf57421110c1e95a10487edfca764e014d367b26e192c1a7e3b7
SHA3-384 hash:	b60aa2c8712745e911da61fb776782f332ae2e450afadd1ef67296d6cb97ad75dd00c8d1c5d3d90a9951c74287c154f2
SHA1 hash:	a42a4dc9b2f77ea40a47a2b008a3a5debe4a6877
MD5 hash:	fb34e961947c0eefee3e701cae9fa613
humanhash:	hot-jersey-cold-burger
File name:	4.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	865'792 bytes
First seen:	2020-08-04 16:46:26 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	4bae7147ec04d935db5914fb885560bb (11 x AgentTesla, 3 x MassLogger, 2 x AZORult)
ssdeep	12288:2z7G/lsTGbsiZQfwgZLObQINANWz3O6Ex7FxBwWwcnSLXhrBZXRhLXYJnmxn:2etNafLLOM9QKlNwWcDhbXRhmm1
Threatray	11'689 similar samples on MalwareBazaar
TLSH	3205BF1EB3E08737D1B2263DBC1B6FA4582EBD012D389A463BE4DD4C5E387513A25297
Reporter	abuse_ch
Tags:	AgentTesla exe geo NLD Strato

abuse_ch

Malspam distributing AgentTesla:

HELO: mo4-p05-ob.smtp.rzone.de
Sending IP: 81.169.146.180
From: e-szamlazas <e-szamlazas@fizetesipont.hu>
Reply-To: e-szamlazas@fizetesipont.hu
Subject: Uitgaande facturen (F-K99134 / 20) Kennisgeving
Attachment: Uitgaande facturen.rar (contains "4.exe")

AgentTesla SMTP exfil server:
mail.umgservicios.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/38864/

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

SecuriteInfo.com.Variant.Graftor.807433.11886.16799.UNOFFICIAL

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/409818

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/1bdf4c2e5737cf57421110c1e95a10487edfca764e014d367b26e192c1a7e3b7/

Threat name:

Win32.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-04 16:48:08 UTC

AV detection:

41 of 48 (85.42%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dppuylsxg7hvoqqrcda6swqqjb7n7stwjyau2nt3e3qzfqnh4o3q._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

127670364822f9ec0ec2c9c7270830fdf703f03bbdc95db93b63579f2fc991fd

AgentTesla

245d4abbb0e7f27ec6526904c2a4fb22abc8fafaa63bd80bb7193f9a9a58b204

AgentTesla

28558516b6b4912e36105c566322d9e4a47a0fca0847c55227683c51834e98e9

AgentTesla

4fa84ddee70c59516a5727fa29bf70e548550592998cfc07b9b2b80325756b35

AgentTesla

a5efbcb25b4339ea9e004364c443afaadb86353cce9dcd9508115bda5a57be88

AgentTesla

bcb3a08ff39258f04e54ccb4ec531754fb2ece9755d92885f7f5c298d29897e4

AgentTesla

c7202ac90daa5d696736a32eff2c930eba08332c9416ff6a464ce3ea17f414f9

AgentTesla

c82a750c5a0dcc2a923f97b3bfbba13fd302144fdcdab020f7c7c94e24892807

AgentTesla

f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce

AgentTesla

+ 11'679 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200804-bev9mbg8ej/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Reads user/profile data of local email 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/1bdf4c2e5737cf57421110c1e95a10487edfca764e014d367b26e192c1a7e3b7

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