MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4df5546264dfe98007c860ff5eda2638d1e31d72d56680abcd97306d9b2209ee. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4df5546264dfe98007c860ff5eda2638d1e31d72d56680abcd97306d9b2209ee
SHA3-384 hash: d02478eb92026eb05e8bb7fc7f2ae2181ecc4da467bcd1df7aca4211e7b0db5359aa3b68b0c83937f52f2c5d23dbded9
SHA1 hash: 03fdb5ff9708d87c57d321a6d1adbe4664ee82f0
MD5 hash: cc3f714215dacdc3082718d1ec94f58f
humanhash: helium-skylark-sierra-happy
File name:Paymentslip.PDF10152020.exe
Download: download sample
Signature Matiex
Create hunting rule
File size:1'403'136 bytes
First seen:2020-10-16 14:56:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FKlCkY9Rj1mXHweo/tQ4ViLRvhj050HRbUZI4U2CMKTCfKAY0jxilLUcaJ4wCz2l:FMGB0o+4Vkh40H5U2i
Threatray 1 similar samples on MalwareBazaar
TLSH 5755E53C5CC8263759BBE2BAC5F156C7F911B98335915C0F619B83920E13B6B2E8AC1D
Reporter Racco42
Tags:exe Matiex

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.ArtemisCC3F714215DA.14520.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Sending a UDP request
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
Creating a file in the %temp% directory
Reading critical registry keys
Launching the process to change network settings
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Result
Threat name:
Matiex
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/493879
Signature
Contains functionality to hide a thread from the debugger
Hides threads from debuggers
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
Sigma detected: Capture Wi-Fi password
Sigma detected: Drops script at startup location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected Matiex Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 299393 Sample: Paymentslip.PDF10152020.exe Startdate: 16/10/2020 Architecture: WINDOWS Score: 100 71 Sigma detected: Capture Wi-Fi password 2->71 73 Yara detected Matiex Keylogger 2->73 75 Sigma detected: Drops script at startup location 2->75 77 5 other signatures 2->77 8 Paymentslip.PDF10152020.exe 1 2->8         started        12 %nmoufstr%.exe 2 2->12         started        process3 file4 43 C:\Users\...\Paymentslip.PDF10152020.exe.log, ASCII 8->43 dropped 79 Hides threads from debuggers 8->79 81 Injects a PE file into a foreign processes 8->81 83 Contains functionality to hide a thread from the debugger 8->83 14 Paymentslip.PDF10152020.exe 15 8 8->14         started        19 timeout.exe 1 8->19         started        21 Paymentslip.PDF10152020.exe 8->21         started        23 Paymentslip.PDF10152020.exe 8->23         started        85 Machine Learning detection for dropped file 12->85 25 %nmoufstr%.exe 14 2 12->25         started        27 timeout.exe 1 12->27         started        29 %nmoufstr%.exe 12->29         started        31 WerFault.exe 12->31         started        signatures5 process6 dnsIp7 51 checkip.dyndns.org 14->51 53 smtp.yandex.ru 77.88.21.158, 49747, 49748, 49749 YANDEXRU Russian Federation 14->53 61 3 other IPs or domains 14->61 45 C:\Users\user\AppData\...\%nmoufstr%.exe, PE32 14->45 dropped 47 C:\Users\user\AppData\...\%nmoufstr%.url, MS 14->47 dropped 49 C:\Users\...\%nmoufstr%.exe:Zone.Identifier, ASCII 14->49 dropped 63 Tries to steal Mail credentials (via file access) 14->63 65 Tries to harvest and steal ftp login credentials 14->65 67 Tries to harvest and steal browser information (history, passwords, etc) 14->67 69 Tries to harvest and steal WLAN passwords 14->69 33 netsh.exe 3 14->33         started        35 conhost.exe 19->35         started        55 checkip.dyndns.org 25->55 57 131.186.113.70, 49760, 49761, 49765 DYNDNSUS United States 25->57 59 104.28.5.151, 443, 49764 CLOUDFLARENETUS United States 25->59 37 WerFault.exe 25->37         started        39 conhost.exe 27->39         started        file8 signatures9 process10 process11 41 conhost.exe 33->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4df5546264dfe98007c860ff5eda2638d1e31d72d56680abcd97306d9b2209ee/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 14:57:03 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jx2viyte37uyab6imd7v5wrghdi6ghls2vtibk6ns4yg3gzcbhxa._file
Verdict:
unknown
Similar samples:
484ff6267219f9eb4794c1f20aaa9562a459e0d1a787743592b1532eda3be541
Matiex
Result
Malware family:
matiex
Create hunting rule
Score:
  10/10
Tags:
stealer keylogger family:matiex spyware persistence
Link:
https://tria.ge/reports/201016-tsje4dlrjn/
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
Modifies service
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Matiex
Matiex Main Payload
Unpacked files
SH256 hash:
4df5546264dfe98007c860ff5eda2638d1e31d72d56680abcd97306d9b2209ee
MD5 hash:
cc3f714215dacdc3082718d1ec94f58f
SHA1 hash:
03fdb5ff9708d87c57d321a6d1adbe4664ee82f0
Link:
https://www.unpac.me/results/60b72f1a-3b87-4b88-b406-5f2f730446ba/
SH256 hash:
3dc70faecd5f46b031c2b86bf9c1c7ede1eebf82175009eaa6fa7548c98c4e0f
MD5 hash:
6001a53545591947d37e54b2f53fa725
SHA1 hash:
027588313a6734728390e0763ae5d8269f43acc1
Link:
https://www.unpac.me/results/60b72f1a-3b87-4b88-b406-5f2f730446ba/
SH256 hash:
c1667fa6f6d37044c403c17010f36efc7e08d47ac2fb36a36b3c7e700eb97d81
MD5 hash:
eebb807f8a5a2d47c89648e4fb907f89
SHA1 hash:
35e8cbe02f0ce21492333604056e15bdbc923227
Link:
https://www.unpac.me/results/60b72f1a-3b87-4b88-b406-5f2f730446ba/
SH256 hash:
90fc156168c8fdb4b87b63f8792547f554751be0bc17a9f0f17e75e2b5aeb2f3
MD5 hash:
4857149afbeedbec0b152a3ec53fcd36
SHA1 hash:
da82f080855cef6df9233253656088e6739e572b
Link:
https://www.unpac.me/results/60b72f1a-3b87-4b88-b406-5f2f730446ba/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4df5546264dfe98007c860ff5eda2638d1e31d72d56680abcd97306d9b2209ee

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:BlackWorm
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify BlackWorm
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

Executable exe 4df5546264dfe98007c860ff5eda2638d1e31d72d56680abcd97306d9b2209ee

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/72116/

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