MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42f5d146e3ab803729f35f8ced8a383423380326e5f265acbff9f88209f74c24. 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 5 File information Comments

SHA256 hash:	42f5d146e3ab803729f35f8ced8a383423380326e5f265acbff9f88209f74c24
SHA3-384 hash:	4ab3df7a1312765aef33b08fc248b5167abda4aa67d5a517028546861ae098cf2db92c380ba96e2072e23ff7e48e60a6
SHA1 hash:	d20239f71fb72a1dc1a25813433c435e4ace7287
MD5 hash:	2829e51094613b568037570f9f852478
humanhash:	three-illinois-timing-oxygen
File name:	CMB.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	423'424 bytes
First seen:	2020-10-26 14:17:56 UTC
Last seen:	2020-10-26 15:57:54 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:MgYGBNGvPVyMtFgxVgZ/7lGWN9T03Jq8HcD+jrk:MDGDGFyMt6x2ZzlGWN9I3Uuc6jg
Threatray	42 similar samples on MalwareBazaar
TLSH	36940230B4E17E77D1DA8FFB11A5A61063F2154F471BDA4CCAB8B6E18A9279047E0E13
Reporter	abuse_ch
Tags:	Endurance exe Matiex

abuse_ch

Malspam distributing unidentified malware:

HELO: gproxy1-pub.mail.unifiedlayer.com
Sending IP: 69.89.25.95
From: Bert Driesseni<sales3@hbkailang.com>
Reply-To: nancy.banji@yahoo.com
Subject: RE:FW:PRODUCT CLARIFICATION
Attachment: CMB.uue (contains "CMB.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Matiex

Link:

https://www.capesandbox.com/analysis/79168/

Detection(s):

SecuriteInfo.com.Trojan.Inject4.3913.15076.22629.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Unauthorized injection to a recently created 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

Launching the process to change network settings

Setting a global event handler for the keyboard

Result

Threat name:

Matiex

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/511973

Signature

Injects a PE file into a foreign processes

Machine Learning detection for sample

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

Sigma detected: Capture Wi-Fi password

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 WLAN passwords

Tries to steal Mail credentials (via file access)

Uses netsh to modify the Windows network and firewall settings

Yara detected AntiVM_3

Yara detected Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/42f5d146e3ab803729f35f8ced8a383423380326e5f265acbff9f88209f74c24/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-10-26 07:36:08 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=il25crxdvoadokptl6go3crygqrtqazg4xzgllf77h4iecpxjqsa._file

Result

Malware family:

matiex

Score:

10/10

Tags:

spyware persistence stealer keylogger family:matiex

Link:

https://tria.ge/reports/201026-9e648swbv2/

Behaviour

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Modifies service

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

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

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:	INDICATOR_EXE_Packed_ConfuserExMod_BedsProtector Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with ConfuserEx Mod Beds Protector

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	MALWARE_Win_Matiex Create hunting rule
Author:	ditekSHen
Description:	Matiex/XetimaLogger keylogger payload

Rule name:	win_matiex_keylogger_v1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects the Matiex Keylogger

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Matiex

uue cc79238f947907dcf883944e5ad247425e65468330532bd97423ec9bbfaaeed9

Matiex

exe 42f5d146e3ab803729f35f8ced8a383423380326e5f265acbff9f88209f74c24

(this sample)

Dropped by

MD5 8880391dba4efa6fac4414b25ce0daa8

Delivery method

Distributed via e-mail attachment

Dropped by

SHA256 cc79238f947907dcf883944e5ad247425e65468330532bd97423ec9bbfaaeed9

Cape

https://www.capesandbox.com/analysis/79168/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample