MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4d0e327754a32781d1c9a2ab27f879e9f0cc0b7c5712fa67dfa4b0f9cf54492. 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:	a4d0e327754a32781d1c9a2ab27f879e9f0cc0b7c5712fa67dfa4b0f9cf54492
SHA3-384 hash:	3e8749cac5202586345691791162397d1a71cb3284a77b7574de3e052ad76866c0417237a99c1b7cc724d7937fd096c2
SHA1 hash:	2072514e348f38193211bfec8e3d9f8299dcc6f4
MD5 hash:	ee12ffd5a993caece98e8aba8940be88
humanhash:	sierra-ink-tango-london
File name:	DEKONT.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	640'000 bytes
First seen:	2020-10-15 13:01:52 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d16bce0f28023e67cc672637c8231739 (2 x AgentTesla, 2 x Matiex)
ssdeep	12288:95BwzAoh8/yLLuIX/qMCECb5JlpMPOY6LHvBLztzBOJHo:9jwzAoh8aLCChC9phLziJI
Threatray	28 similar samples on MalwareBazaar
TLSH	C3D46CA13D48FAE6D176517828FE9C2D062D837F17CF44AE57A01B585E07C892ADCE32
Reporter	abuse_ch
Tags:	exe GarantiBBVA geo Matiex TUR

abuse_ch

Malspam distributing unidentified malware:

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 :

111

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/71407/

Result

Verdict:

Malware

Maliciousness:

Behaviour

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/492479

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/a4d0e327754a32781d1c9a2ab27f879e9f0cc0b7c5712fa67dfa4b0f9cf54492/

Threat name:

Win32.Trojan.Zenpak

Status:

Malicious

First seen:

2020-10-15 09:24:18 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=utiogj3vjizhqhi4tivle74ht2pqzqfxyvys7jt57jfq7hhvisja._file

Verdict:

suspicious

Result

Malware family:

matiex

Score:

10/10

Tags:

stealer keylogger family:matiex spyware

Link:

https://tria.ge/reports/201015-9v6ep4dcwe/

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:

a4d0e327754a32781d1c9a2ab27f879e9f0cc0b7c5712fa67dfa4b0f9cf54492

MD5 hash:

ee12ffd5a993caece98e8aba8940be88

SHA1 hash:

2072514e348f38193211bfec8e3d9f8299dcc6f4

Link:

https://www.unpac.me/results/452fa100-8d11-4890-aa51-1ef2d5f2adb9/

SH256 hash:

c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81

MD5 hash:

eebb807f8a5a2d47c89648e4fb907f89

SHA1 hash:

35e8cbe02f0ce21492333604056e15bdbc923227

Link:

https://www.unpac.me/results/452fa100-8d11-4890-aa51-1ef2d5f2adb9/

SH256 hash:

d3644f23ecdf5b385cbd0121e44cfffa029edad227adbb4638059f52c27f8cef

MD5 hash:

f094c2cf30a9f9b6209817df53439d5d

SHA1 hash:

bb4c07f25286608f1350138567506af14934b96b

Link:

https://www.unpac.me/results/452fa100-8d11-4890-aa51-1ef2d5f2adb9/

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/a4d0e327754a32781d1c9a2ab27f879e9f0cc0b7c5712fa67dfa4b0f9cf54492

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.