MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8eec62735709502f8dbf85d6cb27eece96f86f2a0b4c3be24447a14b823fbee. 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:	c8eec62735709502f8dbf85d6cb27eece96f86f2a0b4c3be24447a14b823fbee
SHA3-384 hash:	bde632ddc1ee298c19094bc25b25c97f463b4246427ca2507b18b7bc714210cc58cc5128082f0f68c1dd013f350ddb3e
SHA1 hash:	0fa12da73bfa7c9078f3c8bc99e7a9d77105f080
MD5 hash:	df7af06d784f44e5a4876f8f9c7cdbab
humanhash:	beryllium-skylark-nine-magnesium
File name:	Transfer kartu 2020.08.06.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	525'312 bytes
First seen:	2020-08-06 06:54:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:PqsnH4wzTltLeRmV7bhJ7HiAtKT5VAFOcC/:nH4WnymrZCdT5VAs
Threatray	10'761 similar samples on MalwareBazaar
TLSH	A6B4E0041A894B12CB3C5BFB4268597443B1DF2E6D22E3A95FD631E7097EFB40640AE7
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: ripper1.x-logix.pt
Sending IP: 176.61.147.243
From: Jusuf Tanjung <jusuftanjung22@gmail.com>
Subject: Transfer kartu 2020.08.06
Attachment: Transfer kartu 2020.08.06.7z (contains "Transfer kartu 2020.08.06.exe")

AgentTesla SMTP exfil server:
mail.mlibano.com.br:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/40204/

Detection(s):

SecuriteInfo.com.ArtemisDF7AF06D784F.12813.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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:

96 / 100

Link:

https://www.joesandbox.com/analysis/412354

Signature

Found malware configuration

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)

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/c8eec62735709502f8dbf85d6cb27eece96f86f2a0b4c3be24447a14b823fbee/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2020-08-06 03:11:56 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zdxmmjzvockqf6g37bowzmt65tuw7bxsuc2mhpreir5bjobd7pxa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1e8bad8b991c40e9a82295140ed7c260a090bdd89e3b29aa221cefd93f813540

AgentTesla

24ebe5c93c3836fcc62bb238318a4d22433e8d3026d939778aff67ad8aa6c519

AgentTesla

363a5841bc91c8264df6af4224d410195d9062168235b9f5119e2a4ca0cd3a4f

AgentTesla

3728f6e5e1d46521096729ca985ca48741923cdc7f3da79e6704c02673268262

AgentTesla

57d86d719f126ab791a63997ed510dec77649924b2e47d54b73ed3641b56678f

AgentTesla

6b8c2f5ca53cdc33c7ee23f6c104812d47de1dbfb8ba5ccd9038db9f7189d0a3

AgentTesla

71c3b44c9696a97dea2455c598c742bc64213c46a692e8df57b1e57ca08fc524

AgentTesla

854146ab0835f912d31018649e0f97ebde7a2267ec1085a36bc0dc73f5b6f2a9

AgentTesla

c528af796bebc6d61cb8cc2b54581243accd86255dfe5a96d05296f5acabcf19

AgentTesla

+ 10'751 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200806-rwhevcdk82/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads data files stored by FTP 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.

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/c8eec62735709502f8dbf85d6cb27eece96f86f2a0b4c3be24447a14b823fbee

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