MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8917cab54dca8c56976f8fa973521d58d0fc5abc196906a2aaee1e31c8b007c. 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:	e8917cab54dca8c56976f8fa973521d58d0fc5abc196906a2aaee1e31c8b007c
SHA3-384 hash:	28782cedbdaf60960612ac55f03d584d131795a89ab9c61e5a3e091a6a2c794643879576feb74db91b4db4e63503ba88
SHA1 hash:	d7c211e8b5277ae387f1f7cef7f784bffbddc8d3
MD5 hash:	b277ae9f97a526f34097d266b196cbd6
humanhash:	football-football-failed-july
File name:	Facturas Pagadas al Vencimiento.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	587'264 bytes
First seen:	2020-07-16 10:03:38 UTC
Last seen:	2020-07-16 11:09:57 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:nmyS2k4zUzGXni401KD154hkbjJYLgNc1wmC1Ut0zt4vgL8HSJzQ/fQVeFhbiO:nmB401k54hkH6LgywmC1Ut0B4vgF
Threatray	11'111 similar samples on MalwareBazaar
TLSH	C0C49CCC3510759EC90E8D7689A4DC70A6202D62F7FBE20763C36E9F793D697CA111A2
Reporter	abuse_ch
Tags:	AgentTesla BBVA ESP exe geo

abuse_ch

Malspam distributing AgentTesla:

HELO: correo.natxo.cat
Sending IP: 81.21.67.230
From: Confirming.bbva@bbva.com
Subject: BBVA-Confirming Facturas Pagadas al Vencimiento
Attachment: Facturas Pagadas al Vencimiento.r00 (contains "Facturas Pagadas al Vencimiento.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/26652/

Detection(s):

SecuriteInfo.com.CAP_HookExKeylogger.12037.3462.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Using the Windows Management Instrumentation requests

Reading critical registry keys

Launching a service

Creating a file

Setting a keyboard event handler

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/389533

Signature

Contains functionality to register a low level keyboard hook

Found malware configuration

Installs a global keyboard hook

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)

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:

agenttesla

Link:

https://mwdb.cert.pl/sample/e8917cab54dca8c56976f8fa973521d58d0fc5abc196906a2aaee1e31c8b007c/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-16 10:05:10 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5cixzk2u3sumk2lw7d5jonjb2wgq7rnlyglja2rkv3q6ghelab6a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

36ffff33584d663103bfe648c7ef4a78538587b88709976c5583721afe658c91

AgentTesla

3eb30f7fa77eeed5c687b9514c1ef0e9cca4778a514e30a2a0c07949945407f4

AgentTesla

960bdf7b7b3bd263fcd5aa32f4b0ddb567349d46f6d5062a8000981675bffe6f

AgentTesla

ac979891a231a3af79a31a52663f77fe151bbbddee9b13750ea02e82f6aefd40

AgentTesla

b36cdef1bf3b71c8edb27b1d2eabaa00b2df89f3a46bc9c727f4dbb6956fcddb

AgentTesla

bcc9c0d2162cec6b418ab08905642c181d2c24b95a4a387242f73cd5d4410bb2

AgentTesla

c964296558dc6cf1a3e305f48af7ea8b6736ef61f01425dbfabc6fd32cd4eb87

AgentTesla

e7e7041b16466bd06811dc949564fdc2cabed3c4f7e8957581f0a4b53808ab0f

AgentTesla

f349c4c241a5ce1565b3d584dc1158fbc4e9766d99becca69c5d4d848de0fefa

AgentTesla

+ 11'101 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200716-r7cfa819nj/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

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:	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