MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33a99ba14b9e93cef87a604f7cf417ecec809ab10574a6aef214ca39454144ef. 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 6 File information Comments

SHA256 hash:	33a99ba14b9e93cef87a604f7cf417ecec809ab10574a6aef214ca39454144ef
SHA3-384 hash:	652649e1868aa16182a3c9ada2cb0ceb1b0027881a8d2a199c247f8de2ff704422de45b9cd56eaea2cc23e9bdbde50f9
SHA1 hash:	a1140062ab25a52f119b195933ff5656c80d412e
MD5 hash:	83f968d3435c3979c155a72be1bda4b9
humanhash:	cola-thirteen-emma-robert
File name:	Pago -MULEÑA-07276.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	817'664 bytes
First seen:	2020-10-22 11:54:06 UTC
Last seen:	2020-10-22 13:22:57 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:FNNmRe8q6gFcZjmKByfSarhNGjS2/3wHpXlCCWXNQZVmFdc9B80g39A1GKZHNYPo:Gq6DQQWfzXfWo0rA1GUKzod
Threatray	9'993 similar samples on MalwareBazaar
TLSH	080512657099A763D3BF8FF9309C410A93F1559F17B1D2680CE376FA6A90B458B80E23
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: hostdetrazos.es
Sending IP: 188.164.198.15
From: Pedro Luis García Casado <pgarcia@picazosl.com>
Subject: Pago -MULEÑA-07276
Attachment: Pago -MULEÑA-07276.gz (contains "Pago -MULEÑA-07276.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/74632/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Stealer.23680.11520.384.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

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

Reading critical registry keys

Stealing user critical data

Enabling autorun by creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/507049

Signature

.NET source code contains potential unpacker

Found malware configuration

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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)

Sigma detected: Scheduled temp file as task from temp location

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 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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/33a99ba14b9e93cef87a604f7cf417ecec809ab10574a6aef214ca39454144ef/

Threat name:

ByteCode-MSIL.Spyware.Noon

Status:

Malicious

First seen:

2020-10-22 06:27:26 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gouzxiklt2j456d2mbhxz5ax5twibgvrav2knlxsctfdsrkbitxq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1a55a181a00b302c127b8871d999942cd3f9b83cfb3172cca4894fbbea1b668f

AgentTesla

2c6aa8d5fd233661b6d8c0130af1a0c63539aae4c05fb03d74859ebeec3b7cc6

AgentTesla

47921bae52d2d80acb35c1f4ca3e55f4608f76f774713d2578115e74537a897a

AgentTesla

4aba472bffc408315c06d8d015ac5241175d6ccfea8c3c04065ba64eccd94cfb

AgentTesla

6bbfcc8b2345c81eb8ee55f1d42517a82bb9e6e59ae0b6b6d89c537ccd2861b6

AgentTesla

78a15a405e01178f583564d40e2e43a26acb5445cbb7fbbab924fc13f3eda098

AgentTesla

9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7

AgentTesla

aae624caec254144105749a9b12bde61f77415ce28c9f28cc2bfebf0fcbff1f9

AgentTesla

dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f

AgentTesla

+ 9'983 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/201022-ymp4bygyha/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

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

Unpacked files

SH256 hash:

33a99ba14b9e93cef87a604f7cf417ecec809ab10574a6aef214ca39454144ef

MD5 hash:

83f968d3435c3979c155a72be1bda4b9

SHA1 hash:

a1140062ab25a52f119b195933ff5656c80d412e

Link:

https://www.unpac.me/results/e7ba9d58-9ddf-47bc-a7db-faaaf1ef790a/

SH256 hash:

31ce938626ccfb399fe1696710caf46d7ae9eb598b9d7d2aad719b594658469b

MD5 hash:

0aebe46040ceb011e78506d4985fe3de

SHA1 hash:

218ac1e7b14a66c604ec3042f8486bed9cd4c2c1

Link:

https://www.unpac.me/results/e7ba9d58-9ddf-47bc-a7db-faaaf1ef790a/

SH256 hash:

cc53153fd6b341a1ae3c6c98359036a910d7524407071bce280350105d4abae2

MD5 hash:

e0de7c091c8c60b03d89f068d4d3bbb7

SHA1 hash:

2740bf441986c54b2e877d2fcd7333be4b07e2a0

Detections:

win_agent_tesla_w1

Link:

https://www.unpac.me/results/e7ba9d58-9ddf-47bc-a7db-faaaf1ef790a/

Parent samples :

9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7
33a99ba14b9e93cef87a604f7cf417ecec809ab10574a6aef214ca39454144ef
af814df211f1be4278ea2e5c497f25c854301c3946d0ac135938c0edb0882687
3ec8f4e2f3725e6f5d28c4f2cbbec5dcca4483e9e3e5fe433628cf6565cdc024
16058a8ef66dc11b4b441151340f7a78cf6112586011e51b63c599c4b25eb4b9
2724536d5c8f56b46361fe1801cec990b885938dc7f1ef031a399065678ceb71
20d2e1c04a90d710aba955231389d8f36bda6c07e10510123204ab6c5b5431ac

SH256 hash:

12bcc0d478b160fc4b709318aaaaf91451ce8208810d585c6ac5a34c72466711

MD5 hash:

9ec518f45c2a7db1e492475f41ac9282

SHA1 hash:

c5da14c618004f05508845a016548b0d2f1add3f

Link:

https://www.unpac.me/results/e7ba9d58-9ddf-47bc-a7db-faaaf1ef790a/

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_extracted_bin Create hunting rule
Author:	James_inthe_box
Description:	AgentTesla extracted

Rule name:	AgentTesla_mod_tough_bin Create hunting rule
Author:	James_inthe_box
Reference:	https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/

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