MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d57b7809ae71b779b00aa2e7e3b55c3ff6c210453e19a872489e330285031ed3. 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:	d57b7809ae71b779b00aa2e7e3b55c3ff6c210453e19a872489e330285031ed3
SHA3-384 hash:	dff3700b86df482fc01ae606b7d1680c7d84216bedc4e8619ab19ac94e7895fe23c767999deb5f74d1760f30c0a8adcd
SHA1 hash:	84ab397a9d4008c916666d9119e9fdc4b70d5642
MD5 hash:	da248e530b6e65e7457a6d472e0aeb47
humanhash:	solar-skylark-nineteen-paris
File name:	DEKONT.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	626'176 bytes
First seen:	2020-10-16 10:36:03 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1fa0792140f2864411d270a78aad275c (4 x Matiex)
ssdeep	6144:ZOjTNIn3/6DZsANvPBsFgIl2yvL49J48SDPbYzr/jK0+sja1Eo:YTCn3/69ZNHSH2yvL49JtwYXe0+sjab
Threatray	34 similar samples on MalwareBazaar
TLSH	5FD46C6BF506D47AC1160F336356CD170A2F38B144E6998B2F6F7B9D426228D94B3AC3
Reporter	abuse_ch
Tags:	exe GarantiBBVA geo Matiex TUR

abuse_ch

Malspam distributing Matiex:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.57.209
From: Garanti BBVA Internet <dekont@garantibbva.com.tr>
Subject: DEKONT
Attachment: DEKONT.zip (contains "DEKONT.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

102

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Running batch commands

Launching a process

Using the Windows Management Instrumentation requests

DNS request

Sending an HTTP GET request

Sending a custom TCP request

Reading critical registry keys

Launching the process to change network settings

Creating a window

Unauthorized injection to a system process

Result

Threat name:

Matiex

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/493422

Signature

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: Capture Wi-Fi password

Sigma detected: MSBuild connects to smtp port

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

Tries to harvest and steal ftp login credentials

Tries to harvest and steal WLAN passwords

Tries to steal Mail credentials (via file access)

Uses netsh to modify the Windows network and firewall settings

Writes to foreign memory regions

Yara detected Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d57b7809ae71b779b00aa2e7e3b55c3ff6c210453e19a872489e330285031ed3/

Threat name:

Win32.Trojan.Zenpak

Status:

Malicious

First seen:

2020-10-15 16:41:30 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2v5xqcnoog3xtmakult6hnk4h73meecfhym2q4sityzqfbidd3jq._file

Result

Malware family:

matiex

Score:

10/10

Tags:

stealer keylogger family:matiex spyware

Link:

https://tria.ge/reports/201016-czr3b83s56/

Behaviour

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Matiex

Matiex Main Payload

Unpacked files

SH256 hash:

d57b7809ae71b779b00aa2e7e3b55c3ff6c210453e19a872489e330285031ed3

MD5 hash:

da248e530b6e65e7457a6d472e0aeb47

SHA1 hash:

84ab397a9d4008c916666d9119e9fdc4b70d5642

Link:

https://www.unpac.me/results/bf80c0b6-7ee1-4df0-824a-7b6bf22f6da7/

SH256 hash:

c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81

MD5 hash:

eebb807f8a5a2d47c89648e4fb907f89

SHA1 hash:

35e8cbe02f0ce21492333604056e15bdbc923227

Link:

https://www.unpac.me/results/bf80c0b6-7ee1-4df0-824a-7b6bf22f6da7/

SH256 hash:

0adb502cf5a020b08f7be4c2fa2b8e28b7bb7233d5bd81a9707a9af43110e849

MD5 hash:

8f6210cc2fc63d49add3b0aa10c8d703

SHA1 hash:

fcd6709c2be05dad33eba7dacf767736f8457f63

Link:

https://www.unpac.me/results/bf80c0b6-7ee1-4df0-824a-7b6bf22f6da7/

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/d57b7809ae71b779b00aa2e7e3b55c3ff6c210453e19a872489e330285031ed3

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.