MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1ac3386d23a23b4bae07735fb71b2c4503a30eb7b5e159ee4821df85fe263c6. 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 2 File information Comments 1

SHA256 hash:	a1ac3386d23a23b4bae07735fb71b2c4503a30eb7b5e159ee4821df85fe263c6
SHA3-384 hash:	95141b1dc7e0ad39bf51ae07f34c4665ffd8186915f81b3832a023207b0caac0cef1ff87e43bebba6a0aa914b28d266d
SHA1 hash:	d0de57600e34fdf7c1447fac8ca261a5ec4c6748
MD5 hash:	4c9d0f87ee995cbfe36967af48d4f3bc
humanhash:	sink-two-carbon-nine
File name:	Purchase Order 12052021.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	1'163'264 bytes
First seen:	2021-05-12 05:50:36 UTC
Last seen:	2021-05-12 06:01:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	24576:4f1XI6jw9IUde8mitmpj4as6UUT6jNWeEMIjx:U14SUdrmitmpj4aXUZNW1
Threatray	176 similar samples on MalwareBazaar
TLSH	C535CF70A1B29AC4EB96CEB28E60E145BFE75C41DA44860FE96439F95133BB4D6001FF
Reporter	lowmal3
Tags:	Matiex

Intelligence

File Origin

# of uploads :

# of downloads :

139

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

DNS request

Creating a window

Sending a UDP request

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

AgentTesla Matiex

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/779509

Signature

Initial sample is a PE file and has a suspicious name

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

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 steal Mail credentials (via file access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Beds Obfuscator

Yara detected Matiex Keylogger

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a1ac3386d23a23b4bae07735fb71b2c4503a30eb7b5e159ee4821df85fe263c6/

Threat name:

Win32.Trojan.Wacatac

Status:

Malicious

First seen:

2021-05-12 03:13:21 UTC

AV detection:

13 of 47 (27.66%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ugwdhbwshir3joxao427w4nsyridumhlpnpblhxeqio7qx7cmpda._file

Verdict:

suspicious

Result

Malware family:

matiex

Score:

10/10

Tags:

family:matiex keylogger spyware stealer

Link:

https://tria.ge/reports/210512-sn452ww46n/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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

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

Threat name:

FakeMS

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a1ac3386d23a23b4bae07735fb71b2c4503a30eb7b5e159ee4821df85fe263c6

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:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

Malspam

Matiex

exe a1ac3386d23a23b4bae07735fb71b2c4503a30eb7b5e159ee4821df85fe263c6

(this sample)

Delivery method

Distributed via e-mail attachment

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-12 06:02:41 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection