MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8215843469f9aaf8706843d9adba84e7cd1d79943035b599218f0af9ac9960e. 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:	d8215843469f9aaf8706843d9adba84e7cd1d79943035b599218f0af9ac9960e
SHA3-384 hash:	29625e7b63a55eaecbf6786545b974bf4bca456fc4deb2b31431de8ef38ea2777c21b26c0bd957138524a806818b7dae
SHA1 hash:	cfedd682f554a6fc9339da92ddf83919ac3caee8
MD5 hash:	c390537a726afaa06ff4a10cbb0d2f5d
humanhash:	autumn-november-october-california
File name:	20200805.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'059'840 bytes
First seen:	2020-08-05 08:00:17 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	24576:b0jSuqG4OPvvH175YmOmpybY3H2GBuJVJZL:boZqG4ovf11Om4E3Xu1ZL
Threatray	11'310 similar samples on MalwareBazaar
TLSH	F3357DC2F54089A1CD6A4E358D23DAB447737D6AEF47960634C4BE2778E31C35B2A6C2
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

From: Zainab Hassan <zainabhhassan@yahoo.com>
Subject: : OUTSTANDING INVOICE
Attachment: 20200805.IMG (contains "20200805.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/39145/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

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:

92 / 100

Link:

https://www.joesandbox.com/analysis/410461

Signature

Injects a PE file into a foreign processes

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/d8215843469f9aaf8706843d9adba84e7cd1d79943035b599218f0af9ac9960e/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2020-08-05 06:45:54 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3aqvqq2gt6nk7bygqq6zvw5ijz6ndv4zimbvwwmsddyk7gwjsyha._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

31be102bbdf34c472e7f3476cdecab45c76d3dc20b6e6d6ad92686f330deb280

AgentTesla

515a2c1a3b19f636a6bf97af416d1d7c07e4780a51e4976e72bdb408f8379521

AgentTesla

6769e022c41fa821b705a29415f8ffd4be0fc7dc2619ef595e436637f849c0cd

AgentTesla

7d697b046bf682cf248d1409265ae2836e5f559337dac2690d6589506c8c46f5

AgentTesla

9ea03fcd0562443c921b5f1583a0c81d5d18cf9a3b6cb02365068232f67b75aa

AgentTesla

a5ee0a7ac9715ad27ff1fb285fa66ac5f2e8ced1af130949e0adaef13ecb0563

AgentTesla

c15099a9769198db75b633428e3967071cbd397277deea7593289a50495090cc

AgentTesla

e335934e2a17f9fcf2729d12601864af3c3820b7917e1a42e6c1cd2b9365f836

AgentTesla

eca1f6383d4c7075aa4b0cfc7222e552897f9c2cde2cef544b663618942f0434

AgentTesla

+ 11'300 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-vrhzf8n9vs/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

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:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/d8215843469f9aaf8706843d9adba84e7cd1d79943035b599218f0af9ac9960e

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