MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec66bb08e7be3e235c199b1f253e949fc4296b105b7046cca10ae732cf347873. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	ec66bb08e7be3e235c199b1f253e949fc4296b105b7046cca10ae732cf347873
SHA3-384 hash:	8b26eead294adc574a4e1faec4f6f373844bdd1354d441a9ab41d072a31327d9f56adcae17145d03013aafc4cbe05004
SHA1 hash:	cc5ef564edb3b8b81451123eaebf5d5fa24d9320
MD5 hash:	2062da3e478d73b1fc79302c3e903cfb
humanhash:	louisiana-speaker-earth-missouri
File name:	WDA5E033WcPm74M.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	652'288 bytes
First seen:	2020-08-18 06:26:41 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:oY2MqxYxluS4n/WW5KyBp5Cr7LNSklZh48fR2WO+nTweTq5iIFr9BK3ah5EB:oY2Mq0InVv0/okLimRxnMeTC/N9BK3ao
Threatray	10'584 similar samples on MalwareBazaar
TLSH	75D4023232D8A3A6F8BE67340C60628023F6F5569711D76D7D8D018D1F66F46CBA2B93
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: cloud-1bdf0b.managed-vps.net
Sending IP: 78.128.43.156
From: Jun Kim <info@brtglobalscrap.com>
Subject: Re: Order
Attachment: Quote-053-2020.img (contains "WDA5E033WcPm74M.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/47529/

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

Using the Windows Management Instrumentation requests

Enabling autorun by creating a file

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/ec66bb08e7be3e235c199b1f253e949fc4296b105b7046cca10ae732cf347873/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-18 03:54:02 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5rtlwchhxy7cgxaztmpskpuut7ccs2yqlnyentfbblttftzupbzq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

0416f24af0f86b36e1068ba8431cf3bf1bad0fa41ec2cfeb655f7b46ef86b5df

AgentTesla

183919b502e2e5f18730c75d890bfb9876a19f25372f8db41e1a7f7876ffbeaa

AgentTesla

3a0ec7cfe8c3b287eec7baeb9d1a2d9bd4827db3c30181100dd64cc324e7fca2

AgentTesla

55186d3bb4e3ce65be62c13c079ea9cc24080a832954ec5c70d960365eaa9110

AgentTesla

b762913bb02e0e7f3b2dd7be4b813923fbb0389e699d2b6f846bfecad6c8c72a

AgentTesla

b99ab6571c625004df68a09401b8aa87d6e3c7b86195b6a1be7f15bf48a01f24

AgentTesla

d00a0836ea91458d1521ee4ebeaab0746a45b10901497a215b0bd0ebdf045e61

AgentTesla

d0d72f8088ae83affe52e64d31ef8787b12bf31fc38a1b72b278b891be6e2d6c

AgentTesla

fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e

AgentTesla

+ 10'574 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla persistence

Link:

https://tria.ge/reports/200818-3akjf7eewj/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies service

Suspicious use of SetThreadContext

Adds Run key to start application

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.

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