MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77b433e18e913428d113648a552a64f00f79b992550ac050aa8c34c3f8b78837. 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 1 File information Comments

SHA256 hash:	77b433e18e913428d113648a552a64f00f79b992550ac050aa8c34c3f8b78837
SHA3-384 hash:	216427c06774c41a988aef2ce073941be73f7f0c4a5b06a2213d705e6c51c7e4cea0ff639c0808213fc4bc52e0a9b2b2
SHA1 hash:	d58b6a847577274f6b2c0a7b5d2fa18971c1fe9f
MD5 hash:	1ca86c10bca184df272aaab1dba8ff0a
humanhash:	batman-sink-montana-carolina
File name:	New order samples.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	388'784 bytes
First seen:	2020-08-14 10:31:20 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	6144:/KLpXXlQevZlK7+YjdX2nl4FbE6tpq//bUIYh8LKzgQO+7jyLKNSRk96kADDsH:/gpXO2ZY6idX2nOhtpq//bhLLWPNSETH
Threatray	61 similar samples on MalwareBazaar
TLSH	C384CF2D77844E02DA5C087DE0E7E43503A2FA877276C68A7E484BC63F423655D9ABCD
Reporter	abuse_ch
Tags:	exe Matiex

abuse_ch

Malspam distributing unidentified malware:

HELO: mail.huclangia.gq
Sending IP: 5.8.93.22
From: Vickie Ingrassellino <admin@huclangia.gq>
Subject: RE: New order samples
Attachment: New order samples.rar (contains "New order samples.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/45817/

Detection(s):

PUA.Win.Trojan.Generic-6629274-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Adding an access-denied ACE

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

Launching the default Windows debugger (dwwin.exe)

Moving of the original file

Blocking the System Restore

Enabling autorun by creating a file

Result

Threat name:

Matiex

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/429439

Signature

.NET source code contains method to dynamically call methods (often used by packers)

Creates an undocumented autostart registry key

Disables Windows system restore

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

May check the online IP address of the machine

Moves itself to temp directory

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 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 Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/77b433e18e913428d113648a552a64f00f79b992550ac050aa8c34c3f8b78837/

Threat name:

ByteCode-MSIL.Infostealer.Stelega

Status:

Malicious

First seen:

2020-08-14 10:33:05 UTC

AV detection:

25 of 48 (52.08%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=o62dhymose2cruitmsffkkte6ahxtomskufmaufkrq2mh6fxra3q._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

7/10

Tags:

spyware

Link:

https://tria.ge/reports/200814-dple57lc5x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

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

Threat name:

Malicious File

Score:

0.92

Link:

https://yomi.yoroi.company/submissions/77b433e18e913428d113648a552a64f00f79b992550ac050aa8c34c3f8b78837

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.