MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f724bcf4c7048f177dcf17bd2b68822f75b9ff41957f026d7ceb6ff0082a25b0. 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: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	f724bcf4c7048f177dcf17bd2b68822f75b9ff41957f026d7ceb6ff0082a25b0
SHA3-384 hash:	de5ddb657fdb11fa14b8810324be382b1f1f8eebda3bd5eb356a0f6f68dfb60f64a56d8e02559ecc15f99b16f2eaa924
SHA1 hash:	fbb4747ba4a4fd8b83f2df8b41cfe85ae5662515
MD5 hash:	dc1b2578f1fcbaaf4e9cbfc52586edc8
humanhash:	saturn-winner-winter-salami
File name:	PO 6522301.PDF.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	306'176 bytes
First seen:	2020-08-08 09:04:19 UTC
Last seen:	2020-08-08 10:09:01 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:3yv6f9qRpy6PdZ0Fz+ty0KX3dMbaSndNrMuZepoXYjPgiWpiA:3yv6fAz0Fujc3HSnrM0eprgrpiA
Threatray	86 similar samples on MalwareBazaar
TLSH	875402855BBD5FB2CAFD2BF5A4DD304007BC99D66293F3542E9935FA34A232006C13A6
Reporter	abuse_ch
Tags:	exe Matiex Yahoo

abuse_ch

Malspam distributing Matiex:

HELO: sonic313-15.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.133.125
From: Admin Service <enjazgroup@yahoo.com>
Reply-To: Admin Service <enjazgroup@yahoo.com>
Subject: Purchase Order
Attachment: PO 6522301.PDF.rar (contains "PO 6522301.PDF.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

116

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/42169/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.405.30717.8920.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

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

Enabling the 'hidden' option for analyzed file

Reading critical registry keys

Launching the process to change network settings

Moving of the original file

Setting a global event handler for the keyboard

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/415829

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

May check the online IP address of the machine

Moves itself to temp directory

Sigma detected: Capture Wi-Fi password

Sigma detected: Scheduled temp file as task from temp location

Sigma detected: Suspicious Double Extension

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 an obfuscated file name to hide its real file extension (double extension)

Uses netsh to modify the Windows network and firewall settings

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM_3

Yara detected Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f724bcf4c7048f177dcf17bd2b68822f75b9ff41957f026d7ceb6ff0082a25b0/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-08 01:32:38 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=64slz5ghashro7opc66sw2ecf523t72bsv7qe3l45nx7acbkewya._file

Result

Malware family:

n/a

Score:

7/10

Tags:

spyware

Link:

https://tria.ge/reports/200808-9zj1kmbgle/

Behaviour

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: RenamesItself

Suspicious use of SetWindowsHookEx

Modifies service

Suspicious use of SetThreadContext

Looks up external IP address via web service

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 web browsers

Reads data files stored by FTP clients

Reads user/profile data of local email clients

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/f724bcf4c7048f177dcf17bd2b68822f75b9ff41957f026d7ceb6ff0082a25b0

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.