MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e97661257ce0ef03a853b691e8a9f8af760c3237b72135a352570d1dfd5c959. 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:	3e97661257ce0ef03a853b691e8a9f8af760c3237b72135a352570d1dfd5c959
SHA3-384 hash:	af5e07b1019d15021e7a174b5ff60cae7ba08e66662dda914627993d3e87c8593c29390a6055bde1cbf1099c665a7235
SHA1 hash:	64cacd25fad9bbc8f8d00e827c290f929e5128b6
MD5 hash:	85cde481d2a5e465b53baeddebdd16ef
humanhash:	robert-juliet-earth-comet
File name:	20200811155150194_____________.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	895'488 bytes
First seen:	2020-08-17 19:07:36 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	639357242ed279ceaa4726408d2cc6d5 (10 x AgentTesla, 4 x Formbook, 3 x MassLogger)
ssdeep	12288:3HlYcrKanXHzeEjMx6p4ddVvjUip3GKfm8LonBHDBvTI8efR7W7Pvblj:3F7OuHzkK4d7403c8Un9DB75eBW7Pvl
Threatray	11'545 similar samples on MalwareBazaar
TLSH	13157C22BDD14B36D0F32A3C4C7E7E749829BDD139F8455B7BF848089E252503969E8B
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: host.jlnasia.com
Sending IP: 45.137.20.117
From: Alan Li <alanli@haitai.cc>
Subject: Re: Shipping Documents – Packing List & Commercial Invoice
Attachment: 20200811155150194_____________.gz (contains "20200811155150194_____________.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/47326/

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

SecuriteInfo.com.BScope.Trojan.Crypt.5088.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/434724

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

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)

Sigma detected: Suspicious Double Extension

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/3e97661257ce0ef03a853b691e8a9f8af760c3237b72135a352570d1dfd5c959/

Threat name:

Win32.Infostealer.Fareit

Status:

Malicious

First seen:

2020-08-17 09:27:43 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=h2lwmesxzyhpaoufhnur5cu7rl3wbqzdpnzbgwrvevyndx6vzfmq._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

27b62d379ede892c507bfdb306aa53e47f0e27de0292cd290cc9c9c43640f04f

AgentTesla

3de5c485f705f1cdf6088142033fb366aafa369044f74cf5a01a8c3517daa831

AgentTesla

4b76a74852fe730433ccd52b13750fd292efb735891f1797ed5c8bdbe62a0385

AgentTesla

608ec84d6c6d1b552b0c77210475ead69a437d02cc688d60e798cf530c02897e

AgentTesla

7fa9a2b71f896b9d16ffc02b1bcf99840cc143674dac338a2b2aab669644e4b7

AgentTesla

7fb195bc96bd220998dd778dd9e6fcb70320102bbb8656d4c765800ad8d9bb83

AgentTesla

84742df4cd63ab373d601a9f4900b1b55f41ea5f48d93eaebb68b9fd4bf8235a

AgentTesla

ca8fc2087eb3f497942cb2919b50a244f3f029d11c940ac6692713bbd713892c

AgentTesla

f1fa38a7af43b4e73980d695a642334c857b3d2dedd819c428c1e3b450022394

AgentTesla

+ 11'535 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200817-xa71bsr3ms/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

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

UPX packed file

AgentTesla Payload

AgentTesla

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

Threat name:

Lokibot

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3e97661257ce0ef03a853b691e8a9f8af760c3237b72135a352570d1dfd5c959

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