MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af4614a203bf30b1a7d9cd1f3eb86ea531dd2f15849a69fd8df3f0502f58e4e1. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	af4614a203bf30b1a7d9cd1f3eb86ea531dd2f15849a69fd8df3f0502f58e4e1
SHA3-384 hash:	0dbbcd667bd69777be611c9dc23419bf245125d531d897ecd1f67a779ca616d998bd676b402cd8f77206c914da4a87a1
SHA1 hash:	3faa2e660d328cc0c1efd04712ce43fb46dea2ad
MD5 hash:	07642b41a1bdf645c2e746265a029751
humanhash:	illinois-triple-helium-paris
File name:	Scan0002736.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	505'344 bytes
First seen:	2020-08-05 09:24:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:s15tJUQx75u6AbWQUwMK0kWXbww+qvwCTX7QwyQInSQ0:Y5tEiKGFvHTrQwyJR
Threatray	10'672 similar samples on MalwareBazaar
TLSH	E4B4C0854B488B5ADBA4CD36E81B4C702EB9BC579D65FB470CCCB4AC62B339E4147983
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: pneeumatic.biz
Sending IP: 142.11.227.83
From: contact<contact@pneeumatic.biz>
Subject: Request for Quotation
Attachment: Quotation_Sheet.z (contains "Scan0002736.exe")

AgentTesla SMTP exfil server:
mail.westairconnect.website:26

AgentTesla SMTP exfil email address:
frk2020@westairconnect.website

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/39346/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% directory

Creating a file

Launching a process

Creating a window

Sending a UDP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/410829

Signature

Contains functionality to register a low level keyboard hook

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Machine Learning detection for dropped file

Machine Learning detection for sample

Maps a DLL or memory area into another process

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 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)

Writes to foreign memory regions

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/af4614a203bf30b1a7d9cd1f3eb86ea531dd2f15849a69fd8df3f0502f58e4e1/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-05 07:00:24 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=v5dbjiqdx4yldj6zzupt5odouuy52lyvqsngt7mn6pyfal2y4tqq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

25dc175eba82b0e5f1438cfcf929a5ecfdaebe46453c97a08d20f1c762fcb92f

AgentTesla

6fa3a8b31b5aa450afc06a2a08149af42ef62ae7be55d93db25ec2c3e3edb93f

AgentTesla

781a56527b7273e5936047b5646c62d2ce6e3b4e24af696d75720caf764dfcb0

AgentTesla

931669cd2085bbab158b1a883203b39e7e1198c1b35db935e0205871607aea01

AgentTesla

9efe7e30ea15e98bd89bd340662d1c23a37efe66af1eec0275a7138b043cae37

AgentTesla

bd8868cb1bd0343570335de12034c90e20a8287132f4444ada491a00a6d0ed5b

AgentTesla

d169af713aac6178816694e1006b2e9f6411687fb13ed0402792222d380624f1

AgentTesla

df97a31515a7737f062cd6c43a4931f18518b157f33935c9720476d83fb5ab0f

AgentTesla

f4540704d5523550479941871d2af08967a64523fe1110f90a37bbd85e935f49

AgentTesla

+ 10'662 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200805-yqx3t7yh2j/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

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

Malware family:

AgentTesla.v2

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/af4614a203bf/report/overview.html

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/af4614a203bf30b1a7d9cd1f3eb86ea531dd2f15849a69fd8df3f0502f58e4e1

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