MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6327c2d28925dd4680b13585501e34181fc4beefaeb08040d1c10fc91a16f0a3. 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

Neurevt

Vendor detections: 8

Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash:	6327c2d28925dd4680b13585501e34181fc4beefaeb08040d1c10fc91a16f0a3
SHA3-384 hash:	6e7acf4d2d8d899dd0b569ef1d495c63a29d922711cf77c38f3243f6e3c0815baa1b77e8c744921db8c10f329c81be71
SHA1 hash:	58e3c687b83b5fac9e5a7f65745b8171832ec7ae
MD5 hash:	055eab630948751fea12dea70af602c2
humanhash:	india-twenty-glucose-michigan
File name:	Customer Complaint letter NCC166289001.PDF.exe
Download:	download sample
Signature	Neurevt Create hunting rule
File size:	387'072 bytes
First seen:	2020-08-04 11:20:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	283fdee1bd44327343be2256b7127ee5 (1 x Neurevt)
ssdeep	6144:zJ6XWp+DELgUaVTUlxZClLZhZEPFUoT3A72QN:F6XRWc4/QNbl
Threatray	72 similar samples on MalwareBazaar
TLSH	7C84F11839C1C033D51555B68426C3B69D6E3836682ABD8A7FCA5AFC0F396D2FB2530D
Reporter	abuse_ch
Tags:	exe Neurevt

abuse_ch

Malspam distributing Neurevt:

HELO: host.qualifairs.com
Sending IP: 85.25.130.41
From: complaint@thencc.org.za
Subject: Customer Complaint letter // NCC166289001
Attachment: Customer Complaint letter NCC166289001.PDF.gz (contains "Customer Complaint letter NCC166289001.PDF.exe")

Neurevt C2:
http://winqits.com/~zadmin/lk/dm/logout.php

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/38579/

Detection(s):

PUA.Win.Downloader.Aiis-6803892-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Changing a file

Searching for analyzing tools

Searching for the window

Setting browser functions hooks

Adding an access-denied ACE

Launching a process

Creating a window

Sending a UDP request

Unauthorized injection to a browser process

DNS request

Connection attempt

Sending an HTTP POST request

Moving of the original file

Enabling autorun for a service

Firewall traversal

Setting a single autorun event

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Changing settings of the browser security zones

Unauthorized injection to a system process

Enabling autorun

Result

Threat name:

Betabot

Detection:

malicious

Classification:

phis.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/409144

Signature

Contains functionality to create processes via WMI

Creates an undocumented autostart registry key

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Hides threads from debuggers

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

Modifies Internet Explorer zone settings

Overwrites Windows DLL code with PUSH RET codes

Sample uses process hollowing technique

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

System process connects to network (likely due to code injection or exploit)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Uses an obfuscated file name to hide its real file extension (double extension)

Writes to foreign memory regions

Yara detected Betabot

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6327c2d28925dd4680b13585501e34181fc4beefaeb08040d1c10fc91a16f0a3/

Threat name:

Win32.Trojan.Neurevt

Status:

Malicious

First seen:

2020-08-04 11:22:12 UTC

AV detection:

41 of 48 (85.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=mmt4fuujexounafrgwcvahrudap4jpxpv2yiaqgryeh4sgqw6crq._file

Verdict:

malicious

Label(s):

hawkeyekeylogger

Result

Malware family:

betabot

Score:

10/10

Tags:

evasion trojan backdoor botnet family:betabot

Link:

https://tria.ge/reports/200804-3zgvnesjae/

Behaviour

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks whether UAC is enabled

BetaBot

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6327c2d28925dd4680b13585501e34181fc4beefaeb08040d1c10fc91a16f0a3

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_betabot_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator