MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2c8e60f6dea2f01ded10eed11783cd5173650bbc6e14d8ec891f441fea26b42. 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: f2c8e60f6dea2f01ded10eed11783cd5173650bbc6e14d8ec891f441fea26b42
SHA3-384 hash: 86c05e52c425b68555e25b4b7f5e7ad87f151d88da19a00709c392812d615656cf5040313f13c69e9151dfa7398b41c0
SHA1 hash: fb6cef4cbcdb878b0b95a7fe0850832010d2f2e9
MD5 hash: c66a781c007bb89b164c49068e8a5d58
humanhash: lion-juliet-cup-network
File name:File.exe
Download: download sample
Signature Matiex
File size:710'144 bytes
First seen:2020-08-15 06:03:27 UTC
Last seen:2020-08-15 06:52:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a244f94dd95bbece22f377204c6e92ab (1 x AgentTesla, 1 x Matiex)
ssdeep 12288:3zrtkYBjJ/JoxxB7FyKGXepX48419bpArIilO7XE7aS9fHGoyuR:3P2qJ/JonTx5t6KI7X1CfHGol
Threatray 1'679 similar samples on MalwareBazaar
TLSH EBE49E62A2E04837C1731AFF9F1BD764983ABE113D3498862BE54D4C5F387513A3A297
Reporter abuse_ch
Tags:exe Matiex


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: gmail.com
Sending IP: 103.147.184.154
From: Gerald Barton <support@usaa.com>
Reply-To: support@usaa.com
Subject: Complete form
Attachment: File.zip (contains "File.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Sending a UDP request
Reading critical registry keys
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Drops VBS files to the startup folder
Maps a DLL or memory area into another process
May check the online IP address of the machine
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected Matiex Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 268266 Sample: File.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 92 40 SMTP.gmail.com 2->40 48 Yara detected Matiex Keylogger 2->48 50 Sigma detected: Drops script at startup location 2->50 52 May check the online IP address of the machine 2->52 8 File.exe 2->8         started        11 wscript.exe 1 2->11         started        signatures3 process4 signatures5 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 58 Maps a DLL or memory area into another process 8->58 60 2 other signatures 8->60 13 notepad.exe 1 8->13         started        16 File.exe 15 4 8->16         started        19 File.exe 8->19         started        21 File.exe 11->21         started        process6 dnsIp7 64 Drops VBS files to the startup folder 13->64 66 Delayed program exit found 13->66 34 checkip.dyndns.org 16->34 36 SMTP.gmail.com 66.102.1.109, 49746, 49748, 49749 GOOGLEUS United States 16->36 38 2 other IPs or domains 16->38 68 Tries to steal Mail credentials (via file access) 16->68 70 Writes to foreign memory regions 21->70 72 Allocates memory in foreign processes 21->72 74 Maps a DLL or memory area into another process 21->74 23 File.exe 2 21->23         started        27 notepad.exe 1 21->27         started        30 File.exe 21->30         started        signatures8 process9 dnsIp10 42 checkip.dyndns.org 23->42 44 216.146.43.71, 49765, 49767, 49773 DYNDNSUS United States 23->44 46 4 other IPs or domains 23->46 62 Tries to steal Mail credentials (via file access) 23->62 32 C:\Users\user\AppData\...\Reg.desktop.vbs, ASCII 27->32 dropped file11 signatures12
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-08-15 06:05:07 UTC
AV detection:
15 of 48 (31.25%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
upx spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
Suspicious use of SetThreadContext
Looks up external IP address via web service
Looks up external IP address via web service
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
UPX packed file
Please note that we are no longer able to provide a coverage score for Virus Total.

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:win_matiex_keylogger_v1
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 f2c8e60f6dea2f01ded10eed11783cd5173650bbc6e14d8ec891f441fea26b42

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments