MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bb06976e7079506985dfe94112ca75d51e77f7d37b093bd8e269c8aeda07d1f. 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:	9bb06976e7079506985dfe94112ca75d51e77f7d37b093bd8e269c8aeda07d1f
SHA3-384 hash:	e509744844b2871533633bc0771b9a031cbfdfd92d3dd1b32b1252f05ad15506a2cc87b29b05dac5bff0433ffee9a2c7
SHA1 hash:	c6b3e6f2f4df6ef7d101e4fce34fdb8e28f523de
MD5 hash:	ea96dffa197a625b48821629eee54dda
humanhash:	five-item-butter-monkey
File name:	rttK0MJ8OizUCyz.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	434'176 bytes
First seen:	2020-08-05 08:37:21 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	6144:Y1xyQWBCcWYIJEHxB8E9zXARjRKZWM5QiMYwbUuY2t542Nw5aL0Y1zwh6IMh7odv:Y61ftP8EFQ5RKgttK2ym0fh6JhEd9cz
Threatray	10'641 similar samples on MalwareBazaar
TLSH	0494F12C3290264AF27A5E3F5D3101938E66F45FCD72D24B2AB6127D147E68CBD28F61
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: WINDOWS-J50OHC1.home
Sending IP: 175.107.196.65
From: KARACHI TRADING CO.,LTD <dha@dhakarachi.org>
Subject: FW: purchase order
Attachment: purhase order.pdf.gz.rar (contains "rttK0MJ8OizUCyz.exe")

AgentTesla SMTP exfil server:
smtp.fretian-muc.de:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/39229/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/410612

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Injects a PE file into a foreign processes

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)

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 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

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/9bb06976e7079506985dfe94112ca75d51e77f7d37b093bd8e269c8aeda07d1f/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-05 01:13:42 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=toygs5xha6kqngc572kbclfhlvi6o735g6yjhpmoe2oiv3napupq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

131347c9601fe7bc4e4cf621abbc69686360d1210bf0045d663d97adf5fbef6f

AgentTesla

1c9d77531fafcb6b976656bea2a0e647688a049499956979b6d121640c6b29ab

AgentTesla

223d7fdd2305def16cd0c966c3bc4a9094dfb6ba951f46c3f868d9a713db30f9

AgentTesla

263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

AgentTesla

51cd50a11b008b97589100b5233bf8ce7926dd49bb197ef45abd62788c5fdbcc

AgentTesla

56e463f760bf1035c13ba35fb49656e77c149f7f2d82b2d403d7191bbf7eda71

AgentTesla

c8f33116c7687f9356ff635c3aeda9244900cdcca560792079389d838940c25a

AgentTesla

e0990a2ff0ebf0bf66d3ecc4f2778ec3e833e6158dbd22bc2d7b914cba6cff88

AgentTesla

ee5571110d6b005c3de5cbe9672640254c3129f2b523a357da6f163a1b827c47

AgentTesla

+ 10'631 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-c1ckd4h8yx/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

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

AgentTesla Payload

AgentTesla

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/9bb06976e7079506985dfe94112ca75d51e77f7d37b093bd8e269c8aeda07d1f

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