MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b347a0303ad81d21f6f73f67809d060a9c0fd0003ad63ad08e4514e221a02b27. 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:	b347a0303ad81d21f6f73f67809d060a9c0fd0003ad63ad08e4514e221a02b27
SHA3-384 hash:	4e12cd91771881bd61f09f659fd4e6fbd45a67e943cdc751cf89a179238e6f3417450fcb4952ce0c150daea158345144
SHA1 hash:	78a2953e3d453d74247d6afd8ca973e9a3b67ebf
MD5 hash:	0e9504dc11a20b253ae0c9c96a839fe3
humanhash:	robert-fix-finch-pizza
File name:	20200804.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'091'072 bytes
First seen:	2020-08-05 06:59:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	24576:kZMDAk8H2GBuJVJZa/y9i64CpHyK2dGd:xAk8Xu1Zoyl4cHxm
Threatray	11'247 similar samples on MalwareBazaar
TLSH	03357CC2F140C951C95A0E36CD67DA9483337D66FF4797163084BA2B38E36D3AE266C6
Reporter	abuse_ch
Tags:	AgentTesla exe Maersk

abuse_ch

Malspam distributing AgentTesla:

HELO: s11.thehost.com.ua
Sending IP: 176.114.0.20
From: Amit Bhardwaj / DEL IS <knin.githelpdesk@kuehne-nagel.com>
Subject: Maersk Notification_Shipment /FCL/LCL/Delivery Report, CI, PL & Draft B/L WS-FP/16-201--20/40
Attachment: 20200804.zip (contains "20200804.exe")

AgentTesla SMTP exfil server:
mail.lamitex-it.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/39001/

Detection(s):

SecuriteInfo.com.Backdoor.MSIL.Bladabindi.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Enabling autorun by creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/410224

Signature

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for dropped file

Machine Learning detection for sample

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: Scheduled temp file as task from temp location

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 steal Mail credentials (via file access)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b347a0303ad81d21f6f73f67809d060a9c0fd0003ad63ad08e4514e221a02b27/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-04 23:05:45 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wnd2amb23aosd5xxh5tybhigbkoa7uaahlldvueoiukoeinafmtq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

329f7981abeef752b487e4ca790a53e38ff1b00872dbe037f3a122c276357b20

AgentTesla

3a18512fa6205d515cde261cc9b79dc09c6dcd733c4f07b79d8713e282b1ea6f

AgentTesla

6830866e2d41b970c95172f9a156522c72cfd238f846c02c19827b2100fc5deb

AgentTesla

83269b5b7ad93e1b9621ac7ba706ffc7e2ad513094d23c6d0961508cc1694282

AgentTesla

8366973011083e5a6ddd8b602c3bfb70d6334e9a28a0113215197c97774d6b0c

AgentTesla

98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca

AgentTesla

a29e80ca06b950427dc024e1a44049256aaaee18539dcecd7efe600309a589cf

AgentTesla

b598c7c48f10c889b428a265396073f9ae33717566c1fae28c9a8d83406e3573

AgentTesla

d71568c813508e5ca61308f597bfccf2f11fec2d5ec90bd2287d3e4b7cbb3e11

AgentTesla

+ 11'237 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-nk6gnyfctx/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads user/profile data of local email clients

AgentTesla Payload

AgentTesla

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

Threat name:

NJRat

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b347a0303ad81d21f6f73f67809d060a9c0fd0003ad63ad08e4514e221a02b27

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