MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 590c19542f6959d6424107eb4f2998b04d035575341b1f23a40dea6d82aecadd. 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:	590c19542f6959d6424107eb4f2998b04d035575341b1f23a40dea6d82aecadd
SHA3-384 hash:	83c8b7efc3478523e514d4fca877601fae1a5764afd24a5f29790cc252d749c3a6496da3240dbb945aae0a9d1d00ab14
SHA1 hash:	5b744ce5d3cccd556d66704d8fdde882ea928829
MD5 hash:	6a722e017c662992db92c7a256262d12
humanhash:	speaker-october-louisiana-beryllium
File name:	Order List & Images.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	759'808 bytes
First seen:	2020-08-06 05:26:58 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:BkKjZASMySFfHuhObdVtkQ52Q6KVgqw81UrGJice9:BXZASMfHuhObdVtkQwh
Threatray	10'928 similar samples on MalwareBazaar
TLSH	C7F42A2D3AC17804D57E0A3584BA9B917370B24B3F42CB5F2AC9479C7F1229B7F4619A
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mail.genogan.ga
Sending IP: 45.147.162.107
From: David Cooper <admin@genogan.ga>
Subject: Re: Order Inquiry and supply
Attachment: Order List Images.rar (contains "Order List & Images.exe")

AgentTesla SMTP exfil server:
smtp.chigo-cec.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/40041/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/412100

Signature

.NET source code contains very large array initializations

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/590c19542f6959d6424107eb4f2998b04d035575341b1f23a40dea6d82aecadd/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-06 05:28:10 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=legbsvbpnfm5mqsba7vu6kmywbgqgvlvgqnr6i5ebxvg3avozloq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

0a64da2be70dafa7ac6c043fd151edb730ccc13800615824d473a639fad12557

AgentTesla

1ef829bc1993a01681f50af586d81c35f31455dd8263d422888761eb420687cb

AgentTesla

4007480b1a8859415bc011e4981f49ce2ff7a7dd7e883fe70d9f304cbfefedea

AgentTesla

4c0ba445450f16973c204aaab8265d888df2d38f822fbfcdf15249fbc3863356

AgentTesla

6d9c4aa0d5dd0a772adfea51ed3fe61ce25cfe079d91353cd7516cc972c9cf70

AgentTesla

7013e2ac13e42bbee07bb06c5f9c2e4b625a6599a64bccf0e844ba2e995e0737

AgentTesla

ad7db1393e62d89dcb0039aa5ba64a897e88d3f6b76d146ccf419e952e57c317

AgentTesla

c366104c944aee48c742218be05de134d13fd7bde6024b1c0f4c1d843b2288f8

AgentTesla

cea8cae444dd5dadf01c31def4681b170907b97e0cfb468a9ff317ce7ae736a3

AgentTesla

+ 10'918 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer family:agenttesla

Link:

https://tria.ge/reports/200806-zb9sprshaa/

Behaviour

AgentTesla Payload

Agenttesla family

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

Threat name:

Kryptik

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/590c19542f6959d6424107eb4f2998b04d035575341b1f23a40dea6d82aecadd

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