MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 669def58a14c36be79b412c7333144359ef4b8756105c09994d564a13e487d9f. 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:	669def58a14c36be79b412c7333144359ef4b8756105c09994d564a13e487d9f
SHA3-384 hash:	ea83da6f46882075b787a42c711438df508cdae050d2e303506f41e1ba26ccc589fe57618e1c64c8f3ab8ba44c1eb77a
SHA1 hash:	a10f93954b8b89b400a66649bf912b58cb80ec36
MD5 hash:	2bba1baca20742a5188e413660d345a8
humanhash:	cold-johnny-nevada-bacon
File name:	invoice _25280.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	757'248 bytes
First seen:	2020-10-12 06:18:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:ezT3MBMPMX+Kn1XB4isQby3njiPZU45mkwtwSBpj1wfJ2s:ef3MBQMX+k1XcV3iVmkwm8p82s
Threatray	21 similar samples on MalwareBazaar
TLSH	6AF4231CAB6CD61ECFBF513DB8B06B2A4B74E44B2527D7762784D0F8035B7950C42AA2
Reporter	abuse_ch
Tags:	exe Matiex

abuse_ch

Malspam distributing Matiex:

HELO: dd17920.kasserver.com
Sending IP: 85.13.138.236
From: Bank Payment <info@lebensgemeinschaft-wickersdorf.de>
Subject: payment
Attachment: invoice _25280 1.zip (contains "invoice _25280.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

102

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/69958/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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

Setting a global event handler for the keyboard

Unauthorized injection to a system process

Result

Threat name:

AgentTesla Matiex

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/488028

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

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: RegAsm connects to smtp port

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/669def58a14c36be79b412c7333144359ef4b8756105c09994d564a13e487d9f/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2020-10-12 02:42:57 UTC

AV detection:

23 of 28 (82.14%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=m2o66wfbjq3l46nucldtgmkegwppjodvmec4bgmu2vskcpsipwpq._file

Result

Malware family:

matiex

Score:

10/10

Tags:

spyware stealer keylogger family:matiex

Link:

https://tria.ge/reports/201012-c6lsq194sx/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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

Matiex

Matiex Main Payload

Unpacked files

SH256 hash:

5467733df3c030fd5c938ae620849a81ba5e77fb30e79fb291427ccb1d3e8338

MD5 hash:

993d299a5838e51a38dde51ff198a1ca

SHA1 hash:

33bbb610ead59fe45899db669546eb481a855b00

Link:

https://www.unpac.me/results/81b9cfc7-79d4-47da-a40f-22026946efde/

SH256 hash:

c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81

MD5 hash:

eebb807f8a5a2d47c89648e4fb907f89

SHA1 hash:

35e8cbe02f0ce21492333604056e15bdbc923227

Link:

https://www.unpac.me/results/81b9cfc7-79d4-47da-a40f-22026946efde/

SH256 hash:

cd8fdf323ccbf274bee49566ceab7b08d89a6ec7fde4952dc2ec0dcf347530e3

MD5 hash:

3e7cfe84dd85f788e43178e2e731c301

SHA1 hash:

94c6e4edf4240f6b0871d1f2280a717bd289db5c

Link:

https://www.unpac.me/results/81b9cfc7-79d4-47da-a40f-22026946efde/

SH256 hash:

669def58a14c36be79b412c7333144359ef4b8756105c09994d564a13e487d9f

MD5 hash:

2bba1baca20742a5188e413660d345a8

SHA1 hash:

a10f93954b8b89b400a66649bf912b58cb80ec36

Link:

https://www.unpac.me/results/81b9cfc7-79d4-47da-a40f-22026946efde/

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/669def58a14c36be79b412c7333144359ef4b8756105c09994d564a13e487d9f

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.