MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 558e538ad1612561d8d9ad9e5df66474e79070bfcae5be80388322cff31b5831. 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

Matiex

Vendor detections: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	558e538ad1612561d8d9ad9e5df66474e79070bfcae5be80388322cff31b5831
SHA3-384 hash:	6d76da9f73c7330bf7fcc780dae7ead926b2352ea91854a4457035cb83ce8e3bcd65ca8131e0ffe5a734ea46c322f291
SHA1 hash:	3ec77e19dac7f17631239cfe2913eaf09905e9d6
MD5 hash:	ea76b162c2a7ac033eee1ebe35f67150
humanhash:	winner-michigan-oven-sweet
File name:	invoice _25280.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	758'272 bytes
First seen:	2020-10-12 14:56:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:w/5o7srKusVOEXaMsIkLLEia7UaHy10B38sxzsjCKdbuuKLK0GQOvkiYk7Lylccr:we7aaVOmaSyEB7Ua938sxg2KdbZKLK0r
Threatray	19 similar samples on MalwareBazaar
TLSH	A3F4231DA75DEA1ACBBF45F9F5A402204B71918B3027E7691EC4C0D82F3776E58139A2
Reporter	abuse_ch
Tags:	exe Matiex

abuse_ch

Malspam distributing unidentified malware:

HELO: dd17920.kasserver.com
Sending IP: 85.13.138.236
From: Bank Payment <rechnung@lebensgemeinschaft-wickersdorf.de>
Subject: Payment details
Attachment: invoice _25280.zip (contains "invoice _25280.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Detection(s):

SecuriteInfo.com.ArtemisEA76B162C2A7.24537.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Sending an HTTP GET request

Sending a custom TCP request

Reading critical registry keys

Setting a global event handler for the keyboard

Unauthorized injection to a system process

Result

Threat name:

AgentTesla Matiex

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/488631

Signature

Antivirus / Scanner detection for submitted sample

Found malware configuration

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

Maps a DLL or memory area into another process

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

Sigma detected: RegAsm connects to smtp port

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected AgentTesla

Yara detected Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/558e538ad1612561d8d9ad9e5df66474e79070bfcae5be80388322cff31b5831/

Threat name:

ByteCode-MSIL.Trojan.Wacatac

Status:

Malicious

First seen:

2020-10-12 08:41:12 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kwhfhcwrmeswdwgzvwpf35teottza4f7zls35abyqmrm74y3layq._file

Result

Malware family:

matiex

Score:

10/10

Tags:

spyware stealer keylogger family:matiex

Link:

https://tria.ge/reports/201012-g4xl893jax/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Matiex

Matiex Main Payload

Unpacked files

SH256 hash:

558e538ad1612561d8d9ad9e5df66474e79070bfcae5be80388322cff31b5831

MD5 hash:

ea76b162c2a7ac033eee1ebe35f67150

SHA1 hash:

3ec77e19dac7f17631239cfe2913eaf09905e9d6

Link:

https://www.unpac.me/results/b054f287-e94d-4a00-896b-be961b07ada7/

SH256 hash:

5467733df3c030fd5c938ae620849a81ba5e77fb30e79fb291427ccb1d3e8338

MD5 hash:

993d299a5838e51a38dde51ff198a1ca

SHA1 hash:

33bbb610ead59fe45899db669546eb481a855b00

Link:

https://www.unpac.me/results/b054f287-e94d-4a00-896b-be961b07ada7/

SH256 hash:

c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81

MD5 hash:

eebb807f8a5a2d47c89648e4fb907f89

SHA1 hash:

35e8cbe02f0ce21492333604056e15bdbc923227

Link:

https://www.unpac.me/results/b054f287-e94d-4a00-896b-be961b07ada7/

SH256 hash:

dccebc5ccab058a63733750357de1255f0689a04ef623575c19b588e75c606c5

MD5 hash:

9ae3c9d0be151afe7a4b5a854a298631

SHA1 hash:

c2c44969d5f0444ae9f0610ff84f5ae616ccbef9

Link:

https://www.unpac.me/results/b054f287-e94d-4a00-896b-be961b07ada7/

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/558e538ad1612561d8d9ad9e5df66474e79070bfcae5be80388322cff31b5831

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.