MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9ec0837c419b82223064a4cecf96c39d5011dda7092367e612fde786de004ac. 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 4 File information Comments

SHA256 hash:	a9ec0837c419b82223064a4cecf96c39d5011dda7092367e612fde786de004ac
SHA3-384 hash:	29c1a5a61ae1f580e84d1e3aa162efe8786f6ed63b4ec06a20a6a8ffa6b71531d2026ec8d17d528b418d05f7dcc4353d
SHA1 hash:	27a9e440e3de5fa2e93fb075396e94fcd3546696
MD5 hash:	5f8dabfda7ca526b3931311d0286196d
humanhash:	eleven-india-river-sodium
File name:	PO0803-IMPEX-0720 - Order ZGONC Handel GmbH.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	519'680 bytes
First seen:	2020-08-03 14:17:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:10JeF2iNYI5MW8UqgpSOowW4qrHY9IVtrlejUBovSC5:10O15Mdgu9s9IzRejGovS
Threatray	10'598 similar samples on MalwareBazaar
TLSH	83B4F1232299BF2BD1BD577A9010541027F6A147F312EB4EFEA509FB0595FD047A2B32
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: slot0.allocatestorage.pro
Sending IP: 104.168.190.52
From: Berchthold, Stefan <S.Berchthold@zgonc.at>
Subject: WG: Revised Order
Attachment: PO0803.lzh (contains "PO0803-IMPEX-0720 - Order ZGONC Handel GmbH.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/37956/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/408118

Signature

Initial sample is a PE file and has a suspicious name

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/a9ec0837c419b82223064a4cecf96c39d5011dda7092367e612fde786de004ac/

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-08-03 14:19:05 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vhwaqn6edg4ceiygjjgoz6lmhhkqcho2ocjdm7tbf7phq3paaswa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

3bd12baef994051710772b1f9400c8b6f04163ebafc9edc9de5bd9b15297c61d

AgentTesla

4bc99d86dd455bd486c4859ac4cc147b493b98e6ac04df417d88905885de4da2

AgentTesla

5dbd8241899cc03ea064c6b30a422ec5cb12c241cceb4edb7f0829f07c6a7a2f

AgentTesla

6f9d5670d83775bcc5080ec114ba65270bc6b22e6e9af064305f16257b90d1a9

AgentTesla

70e6cbeabaa45165a96c8fc35635950ee2947409c04e312cea7f5103348e6e00

AgentTesla

7f7b6c69bf827f0631b5af7d2bf1791e80881cd313595e061163f9839455dc15

AgentTesla

8580ff35d1a889f09687a1c1ea963f17974fa38b7db5117a97b88e2ff5c4f79f

AgentTesla

89e04e81737a0cd46f504e3a6b44816caba3ad39d47be07d5d282d3dbe21f88c

AgentTesla

c6dc66a444215d6221e09e8fd68ae3a28eacf55f8de8462fb975c235304d7c4b

AgentTesla

+ 10'588 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200803-dqrj8p7mrs/

Behaviour

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

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:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a9ec0837c419b82223064a4cecf96c39d5011dda7092367e612fde786de004ac

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