MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 531c58486429d3d89143d6478d0990ed8a04deb5382c6d585f08dbbe49003938. 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 2 File information Comments

SHA256 hash:	531c58486429d3d89143d6478d0990ed8a04deb5382c6d585f08dbbe49003938
SHA3-384 hash:	f261a234fc7dfa7672e3d222b1ad457720ab695519db0edbf374f6bb596ccefb4569aa22ec3ffd0cbb7d2af329126023
SHA1 hash:	1e3b04fc05c52e457c24514d1ba4a3e16be09df8
MD5 hash:	94a5b1e8337e98e89fa838a78a94eb7c
humanhash:	bluebird-robert-shade-lion
File name:	proforma invoice.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	820'736 bytes
First seen:	2021-05-07 07:58:24 UTC
Last seen:	2021-05-11 14:09:46 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	24576:0pTG8+IMz55qE5tQ928qXJL4okBS5WHJYFUc:gGDfO9WUok0EHJYyc
Threatray	4'570 similar samples on MalwareBazaar
TLSH	6605E0222385CA50E97A5378E06023F017E1BD12F721DE0FEDE53D8E7976ED58299683
Reporter	cocaman
Tags:	AgentTesla exe INVOICE

Intelligence

File Origin

# of uploads :

# of downloads :

110

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/152511/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Sending a UDP request

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/720248

Signature

.NET source code contains very large array initializations

Found malware configuration

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

Initial sample is a PE file and has a suspicious name

Modifies the hosts 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)

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)

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/531c58486429d3d89143d6478d0990ed8a04deb5382c6d585f08dbbe49003938/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-05-07 04:04:12 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

6 of 47 (12.77%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kmofqsdefhj5rekd2zdy2cmq5wfajxvvhawg2wc7bdn34siahe4a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

3238cd98f0d5cb87510c0a57415f7d41087b738adf44ee4cdd04bd7b586b4db2

AgentTesla

3592da59898af133a4333cec930aad11b3a69599fdbba0de484a8c7a17aa3a43

AgentTesla

5feb824ac22902db874500c14ed90b21ac0cfdcff3c3ce161db23a8cf40d6244

AgentTesla

64d8cfadb5aa988231125b039a59d50c08c63e815087b37f5df86e61c1714b74

AgentTesla

66c452b78b6021522f6b726773698cf4bc94e3e6a6b220ca930996afb30fab7c

AgentTesla

6e8ac50a9010c4a45d57ee0095c2cb1989ce6d4a453746920e1dcb3ec43e3c85

AgentTesla

7e2f14e47ce41dff01f74023757a74a7352ff9ce7ee39d2f78b61ff2a5993897

AgentTesla

978adbd45151d6b915f683cef40113cc2fa08ab0686682b2ce44b9f5b33bb4dc

AgentTesla

e9342d5c2ca95888a7589ef0fa20636b3534e64a8e7b419e772977c04745dcc7

AgentTesla

+ 4'560 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/210507-5a41jt5fwn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Drops file in Drivers directory

AgentTesla Payload

AgentTesla

Unpacked files

SH256 hash:

bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87

MD5 hash:

826b29e2a141b055a5491c9d7dc6eea7

SHA1 hash:

af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9

Link:

https://www.unpac.me/results/21cdab09-0d82-49d5-81ee-03471c380b64/

SH256 hash:

531c58486429d3d89143d6478d0990ed8a04deb5382c6d585f08dbbe49003938

MD5 hash:

94a5b1e8337e98e89fa838a78a94eb7c

SHA1 hash:

1e3b04fc05c52e457c24514d1ba4a3e16be09df8

Link:

https://www.unpac.me/results/21cdab09-0d82-49d5-81ee-03471c380b64/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/531c58486429d3d89143d6478d0990ed8a04deb5382c6d585f08dbbe49003938

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.