MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04066d2aaa261814ebb764b76ec4977184b985cd0c56917145068aa37de50965. 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:	04066d2aaa261814ebb764b76ec4977184b985cd0c56917145068aa37de50965
SHA3-384 hash:	b9c005e7d1f2b107bc5841376e7a89ee5eb490dc9aee76b5af8ffc35461299edd492fc6a8ab4bec6e8e5cdeab9b64248
SHA1 hash:	3d8ed4d6f598b796cef240e2696b7af988e06679
MD5 hash:	3daaba84ce640bfda2f7721ac24e8e32
humanhash:	sierra-seventeen-south-north
File name:	Purchase Order.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	486'912 bytes
First seen:	2020-08-17 13:53:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:Bn4EcmZHAFaxmVmie9bngPOOvi8/lXakbGwv+Ef+tZCeptn+oDgBsXo+BhJ:14EcmZHAFaxmVmie9bngPO0/nUjLDx
Threatray	10'645 similar samples on MalwareBazaar
TLSH	FEA48C5A38D0E3DED5E64FB948549C1623FA2F6A0216990FCC6B39D363E9BC1BD24047
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mail.retvo.com
Sending IP: 31.6.81.140
From: Sales Department <sabri@alromanagroup.com>
Subject: Confirm New Order
Attachment: Purchase Order.rar (contains "Purchase Order.exe")

AgentTesla SMTP exfil server:
smtp.capitalone-bank.org:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/47055/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Forced shutdown of a system process

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/433635

Signature

Executable has a suspicious name (potential lure to open the executable)

Initial sample is a PE file and has a suspicious name

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 steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/04066d2aaa261814ebb764b76ec4977184b985cd0c56917145068aa37de50965/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-17 05:45:59 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=aqdg2kvkeymbj25xms3w5rexogcltbonbrljc4kfa2fkg7pfbfsq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

34835ff5a99d333a86d2fe7770cf4ab6612b1385d7d69d99272e96f084527237

AgentTesla

43289bb160c005728b4dc1d8cd723356f1e7d2e5ba90bea7d28c3334224939c0

AgentTesla

67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb

AgentTesla

860a68354fad849f4d5886f00c701638d1226088d4ca26c07216d089f986a7bb

AgentTesla

a20df8c992413eb34262d572f57d37c34dcdaab0fca4725dfd1a910f249f46a2

AgentTesla

a91926c898c91c02d44556c60d2ed4289fcdde2e2a03c0fdcc003678aa5d767c

AgentTesla

b71b1e0152b7112c6ad660c51751d19bf245fb7739c605c9389909fa4c721d06

AgentTesla

c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2

AgentTesla

ccac5881ca9beeead13f5c7f05b289e9d3013a9eea7ce8a087dcb0aade9a60e2

AgentTesla

+ 10'635 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200817-eyj8ydyghj/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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/04066d2aaa261814ebb764b76ec4977184b985cd0c56917145068aa37de50965

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