MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b966eeffd8bdb5a03a6342321de6e330adbedb521ed750c755b61dd336c48057. 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:	b966eeffd8bdb5a03a6342321de6e330adbedb521ed750c755b61dd336c48057
SHA3-384 hash:	55fc541f897b00f1318164e5d6447267e79e4a60582a40cd9a1fc2dddc466e4ecb7856f3bd368530f102161f481cb490
SHA1 hash:	f9d0bee22782bff02ab2c35c3d578c57fc55542f
MD5 hash:	27522cde37b245c8c725b0a61550e903
humanhash:	sad-alabama-shade-arizona
File name:	New-order808AUG-SEP.xlsx
Download:	download sample
Signature	Neurevt Create hunting rule
File size:	715'776 bytes
First seen:	2020-08-28 06:17:39 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	12288:OUUoveUUJP0YoLsQaG7Z0z6q8E6BKnrwpebrYHdlVf:rA0VsxGOb8Eicrwpeb6Vf
TLSH	1DE423EDF5D4BF73F51B43B69A3B609AAC18EC1063B6F1B74A0935488775F202882617
Reporter	abuse_ch
Tags:	CVE-2017-11882 Neurevt xlsx

abuse_ch

Malspam distributing Neurevt:

HELO: hwaidakhotels.com
Sending IP: 192.232.192.173
From: Brittany <karuppiah.kathiresan@gelind.co.in>
Subject: Fw: Provide Proforma Invoice
Attachment: New-order808AUG-SEP.xlsx

Neurevt payload URL:
http://brascase-br.com/~zadmin/div/me.exe

Neurevt C2:
http://brascase-br.com/~zadmin/lk/ndd/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 in the %AppData% subdirectories

Creating a file

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/453257

Signature

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b966eeffd8bdb5a03a6342321de6e330adbedb521ed750c755b61dd336c48057/

Threat name:

Document-Office.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2020-08-28 06:19:05 UTC

AV detection:

15 of 29 (51.72%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xfto576yxw22aotdiizb3zxdgcw35w2sd3lvbr2vwyo5gnweqblq._file

Result

Malware family:

betabot

Score:

10/10

Tags:

evasion trojan backdoor botnet family:betabot persistence

Link:

https://tria.ge/reports/200828-w8ecmnh13a/

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

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/b966eeffd8bdb5a03a6342321de6e330adbedb521ed750c755b61dd336c48057

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.