MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ef4b992bece8ea1963a7cfb7eb66970890c65f13ecb6cad17097bc364a4e0d0. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ef4b992bece8ea1963a7cfb7eb66970890c65f13ecb6cad17097bc364a4e0d0
SHA3-384 hash: 196d755faff18b158a1eb1310b90892de43ae887497a853e2787be77466158ae11b1df9911e26dbf2e8db96df232eaa9
SHA1 hash: d54b709e6f0619253ed868061608772b7a04dddd
MD5 hash: cecc63d690d8ac8efd7fd9719507d502
humanhash: solar-wyoming-charlie-green
File name:Inv# UF-1819917 Bank Transfer Receipt Wp Sport.exe
Download: download sample
Signature Matiex
Create hunting rule
File size:852'816 bytes
First seen:2020-10-12 06:18:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:1KLrGOKo8rHS1OyhgOpUl+m+RnhBVQUaKaVk2VLuA3333333333333333333333M:1KLrGRoYHSYy8l+fRnpQMa1CMmyZcgcn
Threatray 45 similar samples on MalwareBazaar
TLSH F205259D6112BD72DEF846733673B4C919F16AB21800F2097CCC76ECC6A1176AB2D9C6
Reporter abuse_ch
Tags:exe Matiex


Avatar
abuse_ch
Malspam distributing Matiex:

HELO: atl4mhob25.registeredsite.com
Sending IP: 209.17.115.122
From: orders <orders@echoproducts.com>
Reply-To: orders <orders@echoproducts.com>
Subject: Fwd: Fwd: Fwd: 30% down payment WPS New Purchase Order Po# UF-1819917
Attachment: Inv UF-1819917 Bank Transfer Receipt Wp Sport.img (contains "Inv# UF-1819917 Bank Transfer Receipt Wp Sport.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69960/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a window
Reading critical registry keys
Setting a global event handler for the keyboard
Result
Threat name:
Matiex
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/488022
Signature
Binary contains a suspicious time stamp
Contains functionality to hide a thread from the debugger
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for sample
May check the online IP address of the machine
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses the Telegram API (likely for C&C communication)
Yara detected Matiex Keylogger
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ef4b992bece8ea1963a7cfb7eb66970890c65f13ecb6cad17097bc364a4e0d0/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 03:40:28 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j32ltev6z2hkdfr2pt5x5ntjoceqyzprh3fwzlixbf54gzfe4dia._file
Verdict:
unknown
Similar samples:
19ea2b24f4d65b8169f982300901dba2253a880e3bd3f07dfcf933c0fe67a139
Matiex
263c44c0debf596d893d64e491c6ba5f31ccc06171fdd41abff109788a05ccec
Matiex
2ddbf5aed765723b948699526bc2a9a49864dc1181e21f4c51fe613aa8d0ca7e
Matiex
3afef4ab289c49f347ed065f4d272cec7ea413b5c84fb4c2e6aa9adad2716db6
Matiex
4bf5091bc067f8255252ad26fb03b715301433af9334dd100b9b6586983979f0
Matiex
5b92d7f869973b50de0c707ce58afacd6f1202364283c7dffa6ffd79a41a93eb
Matiex
6dbd3f42bf990db55372e1e01a3ddb4dbbdf3051fa01492bca882dbc023bb71a
Matiex
7a86f1fa947ada93a5a8ecf5824ce2034152e50ba8b53fe6904fd10c62e88adf
Matiex
ac7be59f994a2d6ba829e6a7db30ce60594cc2384c55d673e72ee1256737946a
Matiex
c20854beeb11adc316f75f01b88cbb0ee65111accea0a199e14d2a03308a006e
Matiex
+ 35 additional samples on MalwareBazaar
Result
Malware family:
matiex
Create hunting rule
Score:
  10/10
Tags:
spyware stealer keylogger family:matiex
Link:
https://tria.ge/reports/201012-c16v4wbyr6/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
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:
4ef4b992bece8ea1963a7cfb7eb66970890c65f13ecb6cad17097bc364a4e0d0
MD5 hash:
cecc63d690d8ac8efd7fd9719507d502
SHA1 hash:
d54b709e6f0619253ed868061608772b7a04dddd
Link:
https://www.unpac.me/results/bfe66206-2faa-4a2f-939b-b66bbabd073f/
SH256 hash:
c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81
MD5 hash:
eebb807f8a5a2d47c89648e4fb907f89
SHA1 hash:
35e8cbe02f0ce21492333604056e15bdbc923227
Link:
https://www.unpac.me/results/bfe66206-2faa-4a2f-939b-b66bbabd073f/
SH256 hash:
c68b34599f291b1125fcd4c5106d7dfc4112e4bdf5564b8c8ad7dcd8b49f091e
MD5 hash:
75fdb95b276de96eef304db37caba65e
SHA1 hash:
ccc36efa0ba028ba5537a2a12470977fa9585f5c
Link:
https://www.unpac.me/results/bfe66206-2faa-4a2f-939b-b66bbabd073f/
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/4ef4b992bece8ea1963a7cfb7eb66970890c65f13ecb6cad17097bc364a4e0d0

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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:win_matiex_keylogger_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects the Matiex Keylogger

File information

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

Malspam

Matiex

img d2ef491097d1be7e513767304dc227d96d640e66ecaef4bf0333303575cc1f3b

Matiex

Executable exe 4ef4b992bece8ea1963a7cfb7eb66970890c65f13ecb6cad17097bc364a4e0d0

(this sample)

  
Dropped by
MD5 dfe40157ae624d952d9b24c8771d933d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69960/
  
Dropped by
SHA256 d2ef491097d1be7e513767304dc227d96d640e66ecaef4bf0333303575cc1f3b

Comments