MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f79a00a5a78540c33e096805046cae230765cd3bd62fa5e077673f3c873cc547. 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:	f79a00a5a78540c33e096805046cae230765cd3bd62fa5e077673f3c873cc547
SHA3-384 hash:	c25e0e71e37df7d11b7ddf4f0b7508093529483be00b10f3a757ee1c9f1106c96ecb949657a4db9e9777037bebb11231
SHA1 hash:	3bee311ea97e897fab304aa10ec2b04a84f5c386
MD5 hash:	4bf6f646e89c7d22ea27c2d415ce2978
humanhash:	jersey-salami-cola-colorado
File name:	purchase order.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	695'808 bytes
First seen:	2020-08-11 11:52:47 UTC
Last seen:	2020-08-11 13:19:16 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	df85ac537d57e3a7e2b1ddaa5fca9ad3 (3 x AgentTesla, 2 x Formbook, 2 x HawkEye)
ssdeep	12288:SV5mZ52HqKRoIYXSi8yrxEMPqdeehUzTnOFMTwyQOYHk2eANwV:a8Zqbfksr2zTnOeBwk2ekwV
Threatray	11'815 similar samples on MalwareBazaar
TLSH	E1E4BF32F1E14437C223257C9D9B567CAB3A7E202B5924462BD51DCC9F3928D3DEA18E
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: yahoo.com
Sending IP: 37.49.230.46
From: ''Al Tamimi Mohamed''<dolphinstz@yahoo.com>
Subject: Re: purchase order
Attachment: purchase order.zip (contains "purchase order.exe")

AgentTesla SMTP exfil server:
mail.bnfurniture.net:587

AgentTesla SMTP exfil email address:
xuly.donhang@bnfurniture.net

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/43319/

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

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/418696

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (creates a PE file in dynamic memory)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

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)

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/f79a00a5a78540c33e096805046cae230765cd3bd62fa5e077673f3c873cc547/

Threat name:

Win32.Backdoor.Androm

Status:

Malicious

First seen:

2020-08-11 11:54:09 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=66nabjnhqvamgpqjnacqi3foemdwltj32yx2lydxm47tzbz4yvdq._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

2bea6b69613e7cfcc0aa58ce7fb8ba250611181f69667b07b51b5f7bf3c11a9d

AgentTesla

3e74b741a68d703cb4546e9ba5478df630079762b2d3ae2d6adce1d77ab8e132

AgentTesla

4f8130693067523c153d09b000e48e744ca3b86388221a840349746ea6e561df

AgentTesla

60a50c08aad635ae204be365b12b1dce34134c62b25c74aa5dc4a2e02aa75771

AgentTesla

738ea925d9f26dc03c18efd41de5e310285a36eef0147e7767a25dcf3fb1b24d

AgentTesla

869e8a26e04953a411e7454c800e022bbbb3825320ab6e3935213357789f0844

AgentTesla

890b8e57454bafbe3dd79e1a4a42ef308cd072d079822e9275960e6be9418551

AgentTesla

e93ac650630bc4b2eab3909ddd47aaa87fec1fc013657039a5c2c1e15fc5d2a2

AgentTesla

f5d46fa7215a9fbc068c2c7c49ec8156b45d6199cac87e9c08cda6647aa4517e

AgentTesla

+ 11'805 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200811-2jxhkjh7ms/

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:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f79a00a5a78540c33e096805046cae230765cd3bd62fa5e077673f3c873cc547

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