MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b86298f7b9280b5cb9332c52a36c02386cea08e7b3cef8565bd06cbb08f44cb. 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:	3b86298f7b9280b5cb9332c52a36c02386cea08e7b3cef8565bd06cbb08f44cb
SHA3-384 hash:	20d2adc2963b0a0ce824e7786ba5777aad1a7abea4322c7fc1633a01ad523d05b1c911c536abfb05bc24c90e72028439
SHA1 hash:	64b7fe575fcd9c9a77e42e30cce2e205b2100313
MD5 hash:	5d434473eb24eb71a2a6e94c4e6e3c6b
humanhash:	sink-friend-football-orange
File name:	169287394-75414-SANWVDDNETP0034-3 4.pdf.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	581'632 bytes
First seen:	2020-07-28 14:16:53 UTC
Last seen:	2020-07-28 15:02:24 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:EHVKkN/X13SyUTXGZmvq9knvGBKb+8UVtyP:6KkNdiHTXGgy0vrb+8Um
Threatray	10'709 similar samples on MalwareBazaar
TLSH	ECC4E00015A45B1BD3678AB97423E1F05227E498EB61EE774D8FE0AB18E22FD79C3513
Reporter	abuse_ch
Tags:	AgentTesla BBVA ESP exe geo

abuse_ch

Malspam distributing AgentTesla:

HELO: servidor.drapps.info
Sending IP: 31.170.100.61
From: confirming.bbva@bbva.com
Subject: BBVA-Confirming Cesión de Créditos
Attachment: 169287394-75414-SANWVDDNETP0034-3 4.pdf.gz (contains "169287394-75414-SANWVDDNETP0034-3 4.pdf.exe")

AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/33778/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen2.52692.31179.7565.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP 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:

100 / 100

Link:

https://www.joesandbox.com/analysis/400558

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

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)

Sigma detected: Suspicious Double Extension

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)

Uses an obfuscated file name to hide its real file extension (double extension)

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3b86298f7b9280b5cb9332c52a36c02386cea08e7b3cef8565bd06cbb08f44cb/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-28 14:18:10 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hodctd33skalls4tglcsunwaeodm5ieopm6o7blfxudmxmepitfq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

32e43a42bc462576ec94df293189fcc7e17109391aeb6aba80414a06fa206001

AgentTesla

3a7ad05cd3cfed17f81a91126e0ddfc1f36561ea798ad7f5f7cfeb6f7030bee5

AgentTesla

4bc2794576ebc0396a825e7b5f5fa26303e79972e7a2d68ded5cd68729288107

AgentTesla

85eaaf9f22a87fe91d08a6727276564a478e1e34579b21a0a9edf602a58b5094

AgentTesla

a78ad475aa220c139ac4eed8bb80b8e9cf5dd5a44739dce0fc6959677b369c4b

AgentTesla

aebd4884e975607b0e5747d20e709521619e2d24e9b842acb1a8d1ecb73bb955

AgentTesla

b6cbbb6a53fb168a24f6a2f4bbf296547e5ece0314e2b9c21d6662af66a3ac4a

AgentTesla

c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd

AgentTesla

c6d659d01d6aaf95f9e7280164eb2f8c1df03d11c73e198b5b929e0434b4955a

AgentTesla

+ 10'699 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger trojan stealer spyware family:agenttesla

Link:

https://tria.ge/reports/200728-zvw8psjdcx/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

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

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/3b86298f7b9280b5cb9332c52a36c02386cea08e7b3cef8565bd06cbb08f44cb

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