MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21b1b56682138fbba50fc50fce6b3750abae5ed84d3013c8b1fc883570898816. 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:	21b1b56682138fbba50fc50fce6b3750abae5ed84d3013c8b1fc883570898816
SHA3-384 hash:	a6fa4cc791ae628e1da90b6cfa6dd6c8d18003941d229485de1c0dbd5edf16effd4f76ab7b1d023f710ea455488cd64b
SHA1 hash:	8aad70205d984e2c7e8f5dbe94d4768bce634795
MD5 hash:	d73f779cc5a5716884af8a3e0fb94006
humanhash:	undress-ohio-charlie-nebraska
File name:	Swift Mesaj.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	934'912 bytes
First seen:	2020-09-07 12:38:55 UTC
Last seen:	2020-09-07 13:49:52 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep	12288:V5I0wXiC25YyyJVjz6dPcHM8lslbvpoc1wmyMj9ZGdFTW0pe:XAVjyPcZlsUHMjF
TLSH	BE151A353682691AD47C8A31C0E4AAD37330A58B3B81C72FB9DB174DAE0369F3B5645D
Reporter	GovCERT_CH
Tags:	AgentTesla

Intelligence

File Origin

# of uploads :

# of downloads :

117

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/57663/

Detection(s):

SecuriteInfo.com.CAP_HookExKeylogger.28668.6305.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %temp% directory

Running batch commands

Launching a process

Creating a file in the %AppData% subdirectories

Creating a process from a recently created file

Creating a file

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Unauthorized injection to a recently created process

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/21b1b56682138fbba50fc50fce6b3750abae5ed84d3013c8b1fc883570898816/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-09-07 06:04:16 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=egy3kzuccoh3xjipyuh442zxkcv24xwyjuybhsfr7sedk4ejrala._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer family:agenttesla

Link:

https://tria.ge/reports/200907-fmx4nh3qee/

Behaviour

AgentTesla Payload

Agenttesla family

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

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/21b1b56682138fbba50fc50fce6b3750abae5ed84d3013c8b1fc883570898816

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