MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bba94a55fd3800882705fe28738040cb2e439c1ccd41d5d28af6844148411f5. 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: 5

Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash:	4bba94a55fd3800882705fe28738040cb2e439c1ccd41d5d28af6844148411f5
SHA3-384 hash:	07f212597e1b0bfe507367407af7804a15a0fe6c215e66d26520a0c45a804756834842fda655f9f36abf825e464d0d5a
SHA1 hash:	5fb828215bb166b60166a3d89abe61ce51a47159
MD5 hash:	39fb4a5324a3a6235382d24422255726
humanhash:	shade-wisconsin-winner-three
File name:	Objednávka 4500049021.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	595'968 bytes
First seen:	2020-06-03 10:50:35 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:dWia5QXY/nUlyCN+pZLaKLvSZHJkaye7yLXoBzJPRtAMJp9brv:dA3scHrvKHRyrytPD
TLSH	B6C4E1043690AD4FC63E0E3748221D109BB1E2736A4FF3476CDB25EB955EBCA4A11B97
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mxload.webglobe.sk
Sending IP: 212.57.32.37
From: marianna.huckova <esivakova@mlproduktion.sk>
Subject: Objednávka 4500049021
Attachment: Objednávka 4500049021.arj (contains "Objednávka 4500049021.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-06-03 11:00:46 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 31 (70.97%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jo5jjjk72oaaratql7riooaebszoioobztkb2xjiv5ueifeech2q._file

Verdict:

malicious

Label(s):

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201109-pcyafyy676/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

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