MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a40496f800e2a11c1e2a12176d062b59fe536f18fb236f98e66231448aaa2e8. 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:	4a40496f800e2a11c1e2a12176d062b59fe536f18fb236f98e66231448aaa2e8
SHA3-384 hash:	157a82b58ac0f8aac685ca26d0973d3db872ad253561614af5fb1e60541c0c53758556a2f9d68c193a67093659245918
SHA1 hash:	ee96a88632770b165839da16b83210a091ca5ccb
MD5 hash:	77622db39954d9de5f409d926e2291f4
humanhash:	network-spring-freddie-lemon
File name:	004797508E2-20F2-4C2C-879A-1C358609BA01d.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	558'592 bytes
First seen:	2020-10-16 12:39:23 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1fa0792140f2864411d270a78aad275c (4 x Matiex)
ssdeep	6144:uxII2V0qjy1r9I55x4w99786l7pssgxZ/uEfK:ueI2V0I+rq5s6V4ZWEfK
Threatray	34 similar samples on MalwareBazaar
TLSH	5DC45BDBDEC188A0F8A949752A307116A11CE372137E194FB7FA53360DD16E1F026BB9
Reporter	abuse_ch
Tags:	exe Matiex

abuse_ch

Malspam distributing Matiex:

HELO: hosted-by.rootlayer.net
Sending IP: 185.222.57.209
From: emendez@farwestcorrosion.com
Subject: PURCHASE ORDER ( INVOICE) URGENT!!!
Attachment: 004797508E2-20F2-4C2C-879A-1C358609BA01d.zip (contains "004797508E2-20F2-4C2C-879A-1C358609BA01d.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/71968/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

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/493601

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/4a40496f800e2a11c1e2a12176d062b59fe536f18fb236f98e66231448aaa2e8/

Threat name:

Win32.Trojan.Zenpak

Status:

Malicious

First seen:

2020-10-15 19:06:52 UTC

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jjaes34abyvbdqpcueqxnudcwwp6knxrr6zdn6momyrrisfkulua._file

Result

Malware family:

matiex

Score:

10/10

Tags:

stealer keylogger family:matiex spyware

Link:

https://tria.ge/reports/201016-f9fxbqa49e/

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:

4a40496f800e2a11c1e2a12176d062b59fe536f18fb236f98e66231448aaa2e8

MD5 hash:

77622db39954d9de5f409d926e2291f4

SHA1 hash:

ee96a88632770b165839da16b83210a091ca5ccb

Link:

https://www.unpac.me/results/b693c0ed-6c67-4675-bc17-aa324b3b5ded/

SH256 hash:

c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81

MD5 hash:

eebb807f8a5a2d47c89648e4fb907f89

SHA1 hash:

35e8cbe02f0ce21492333604056e15bdbc923227

Link:

https://www.unpac.me/results/b693c0ed-6c67-4675-bc17-aa324b3b5ded/

SH256 hash:

e19d013c0bacad97fae46d97a48491574ad5803d7ecd2b0d3a56449377d534a5

MD5 hash:

31d4d889bf384e86e630d5d173d1b2c4

SHA1 hash:

6307cd6ac2bfd9ef00794140643bc9530e0affb8

Link:

https://www.unpac.me/results/b693c0ed-6c67-4675-bc17-aa324b3b5ded/

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

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4a40496f800e2a11c1e2a12176d062b59fe536f18fb236f98e66231448aaa2e8

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.