MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b20874d61fc9dccaf568e149987fa2d6b856b91822237394e778dd4ef989620. 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: 7

Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash:	3b20874d61fc9dccaf568e149987fa2d6b856b91822237394e778dd4ef989620
SHA3-384 hash:	0858ba5de4165433baafd91165ecb539d4c2b606c37d1921a9ca641c662beaef29983d5711378930a59b81d4f1f5e2d6
SHA1 hash:	f9f8e5cce299de26c7c4597466283de3fca99052
MD5 hash:	8bb4b1de922189a0ead4d3d53f90dee2
humanhash:	butter-oxygen-robert-october
File name:	KAAS GROUP CO LLC PROJECT - REQUIREMENTS QUANTITY.xlsx
Download:	download sample
Signature	Neurevt Create hunting rule
File size:	744'960 bytes
First seen:	2020-09-04 05:24:38 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	12288:TYsQgYW45oF2Wkyqp4jBx02roXFwjm+ObOFumo5kbUCLp9gx:UsmMRkyqpGxfUFwjm+umYkjvQ
TLSH	E1F42326EA152F5FD0C322712D77A245402FFC569054BB536281FADF50B2EF02686FAA
Reporter	abuse_ch
Tags:	Neurevt xlsx

abuse_ch

Malspam distributing Neurevt:

HELO: slot0.speedcqst.com
Sending IP: 45.153.241.118
From: KAAS GROUP <enquiries@speedcqst.com>
Subject: RE: Please Quote KAAS PO
Attachment: KAAS GROUP CO LLC PROJECT - REQUIREMENTS QUANTITY.xlsx

Neurevt payload URL:
http://eastexs.com/~zadmin/div/div.exe

Neurevt C2:
http://eastexs.com/~zadmin/lk/nst/logout.php

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

PUA.Doc.Packed.EncryptedDoc-6563700-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

DNS request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Creating a file

Creating a file in the %AppData% subdirectories

Launching cmd.exe command interpreter

Adding an access-denied ACE

Moving a system file

Launching a service

Unauthorized injection to a browser process

Unauthorized injection to a recently created process

Searching for analyzing tools

Searching for the window

Connection attempt

Sending an HTTP POST request

Changing a file

Setting browser functions hooks

Sending an HTTP GET request

Launching a file downloaded from the Internet

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

Creating a process from a recently created file

Unauthorized injection to a system process

Enabling autorun

Result

Threat name:

Unknown

Detection:

malicious

Classification:

n/a

Score:

56 / 100

Link:

https://www.joesandbox.com/analysis/459819

Signature

Antivirus / Scanner detection for submitted sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3b20874d61fc9dccaf568e149987fa2d6b856b91822237394e778dd4ef989620/

Threat name:

Document-Office.Trojan.Wacatac

Status:

Malicious

First seen:

2020-09-03 01:53:08 UTC

AV detection:

17 of 48 (35.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hmqiotlb7so4zl2wrykjtb72fvvyk24rqirdookoo6g5j34ysyqa._file

Result

Malware family:

betabot

Score:

10/10

Tags:

evasion trojan backdoor botnet family:betabot persistence

Link:

https://tria.ge/reports/200904-jnpjdp4w52/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

NSIS installer

Suspicious use of NtSetInformationThreadHideFromDebugger

Adds Run key to start application

Checks whether UAC is enabled

Drops desktop.ini file(s)

Checks BIOS information in registry

Loads dropped DLL

Uses the VBS compiler for execution

Blacklisted process makes network request

Executes dropped EXE

Sets file execution options in registry

BetaBot

Modifies firewall policy service

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

Threat name:

Exploit

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3b20874d61fc9dccaf568e149987fa2d6b856b91822237394e778dd4ef989620

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.