MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f77d55bfcc19a624e22ed3c7beb0e9c1cd20066d29845d8c05daed5f0559c8be. 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:	f77d55bfcc19a624e22ed3c7beb0e9c1cd20066d29845d8c05daed5f0559c8be
SHA3-384 hash:	0f07b19353b940c8c81000d1e92c7991ed22f9e0c588067ae2bda312fb30b80866d8f0a97b379a284a22f59c01e40b53
SHA1 hash:	7911beaefa286e40daf4c4c5499da0feb9622a55
MD5 hash:	545dfffaf5845991912d52d171a4b566
humanhash:	earth-zebra-wyoming-five
File name:	Payment_Invoice.exe
Download:	download sample
Signature	Matiex Create hunting rule
File size:	768'000 bytes
First seen:	2020-10-07 12:13:45 UTC
Last seen:	2020-10-07 13:01:36 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:/zAl5cYB7ZniWw/dhrVmdJitPbvQXzuj0Uoy6unHiuK6+DQ+sfqG6L/aQP8qpjfL:sEk7RiWw/DkXitPbvQjuoUCJD4ff6bRz
Threatray	24 similar samples on MalwareBazaar
TLSH	F4F41254636CCAA5DBFEAFF4A4F004A30F74E2963552E76B1C88E4E147673944283B93
Reporter	abuse_ch
Tags:	exe Matiex

abuse_ch

Malspam distributing unidentified malware:

HELO: dd17118.kasserver.com
Sending IP: 85.13.137.241
From: kontakt@bmw-motorbikeparts.de
Subject: Re: Payment
Attachment: Payment_Invoice.zip (contains "Payment_Invoice.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

105

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/68927/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

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/484108

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/f77d55bfcc19a624e22ed3c7beb0e9c1cd20066d29845d8c05daed5f0559c8be/

Threat name:

ByteCode-MSIL.Trojan.Wacatac

Status:

Malicious

First seen:

2020-10-07 08:01:16 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=656vlp6mdgtcjyro2pd35mhjyhgsabtnfgcf3daf3lwv6bkzzc7a._file

Result

Malware family:

matiex

Score:

10/10

Tags:

spyware stealer keylogger family:matiex

Link:

https://tria.ge/reports/201007-rxxt8s9e8j/

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:

f77d55bfcc19a624e22ed3c7beb0e9c1cd20066d29845d8c05daed5f0559c8be

MD5 hash:

545dfffaf5845991912d52d171a4b566

SHA1 hash:

7911beaefa286e40daf4c4c5499da0feb9622a55

Link:

https://www.unpac.me/results/0d269832-5ea1-476e-b503-ac9dc87becaf/

SH256 hash:

5467733df3c030fd5c938ae620849a81ba5e77fb30e79fb291427ccb1d3e8338

MD5 hash:

993d299a5838e51a38dde51ff198a1ca

SHA1 hash:

33bbb610ead59fe45899db669546eb481a855b00

Link:

https://www.unpac.me/results/0d269832-5ea1-476e-b503-ac9dc87becaf/

SH256 hash:

c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81

MD5 hash:

eebb807f8a5a2d47c89648e4fb907f89

SHA1 hash:

35e8cbe02f0ce21492333604056e15bdbc923227

Link:

https://www.unpac.me/results/0d269832-5ea1-476e-b503-ac9dc87becaf/

SH256 hash:

235c2655b9c21e2f87cad4665e726396657610f0cf9ecd4f6bcadc28dec7193e

MD5 hash:

be9d3c8148d0330da074c473965503c5

SHA1 hash:

95c62d4a8d051dee8b927cc80f65560da35d3603

Link:

https://www.unpac.me/results/0d269832-5ea1-476e-b503-ac9dc87becaf/

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/f77d55bfcc19a624e22ed3c7beb0e9c1cd20066d29845d8c05daed5f0559c8be

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.