MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c665fe7e288bd5bb69f4e6e6272762fe1f5415e3eeb6e27b2dca84fa81576e7. 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:	9c665fe7e288bd5bb69f4e6e6272762fe1f5415e3eeb6e27b2dca84fa81576e7
SHA3-384 hash:	d5682c7e0980542d3120fa56d7d63d818cc57d0b576cfcbfa2c51c3fc130afb328271aa33a72069cfd7e4496c11c550d
SHA1 hash:	d375c2183fa0a02a3a52eb141d3c078538d77f30
MD5 hash:	6a63862d595b7a8d985f6949084cea92
humanhash:	solar-equal-nebraska-orange
File name:	PO AGU298387.xlsx
Download:	download sample
Signature	Neurevt Create hunting rule
File size:	638'464 bytes
First seen:	2020-08-31 09:47:20 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	12288:ebMw2iny5NcQsC/ki8VQw776XrhpDX73kZJ/28I1xkkj1ER:OXU/gh776XrhJrYJrI1xkC14
TLSH	EAD4231276824D23EC9732775D408B8B721ECE73066A7897EDF6F06C8DB27B05EA4941
Reporter	abuse_ch
Tags:	CVE-2017-11882 Neurevt xlsx

abuse_ch

Malspam distributing Neurevt:

HELO: ew0.709.maxzizo.ml
Sending IP: 134.209.247.133
From: Oscar Perez <support@the-architect.com>
Subject: Ref- Our PO 389182
Attachment: PO AGU298387.xlsx

Neurevt payload URL:
http://brascase-br.com/~zadmin/lk/a/de.exe

Neurevt C2:
http://brascase-br.com/~zadmin/lk/ca/logout.php

Loki payload URL:
http://winqits.com/~zadmin/re/re.exe

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

Adding an access-denied ACE

Moving a recently created file

Enabling the 'hidden' option for recently created files

Launching a service

Unauthorized injection to a browser process

Unauthorized injection to a recently created process

Searching for analyzing tools

Searching for the window

Changing a file

Setting browser functions hooks

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

Connection attempt to an infection source

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Creating a process from a recently created file

Unauthorized injection to a system process

Enabling autorun

Sending an HTTP POST request to an infection source

Result

Threat name:

Unknown

Detection:

malicious

Classification:

n/a

Score:

56 / 100

Link:

https://www.joesandbox.com/analysis/455168

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/9c665fe7e288bd5bb69f4e6e6272762fe1f5415e3eeb6e27b2dca84fa81576e7/

Threat name:

Document-Office.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2020-08-31 03:18:54 UTC

AV detection:

16 of 48 (33.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=trtf7z7crc6vxnu7jzxge4twf7q7kqk6h3vw4j5s3sue7kavo3tq._file

Result

Malware family:

betabot

Score:

10/10

Tags:

trojan backdoor botnet family:betabot persistence evasion

Link:

https://tria.ge/reports/200831-bj7ppnl82a/

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/9c665fe7e288bd5bb69f4e6e6272762fe1f5415e3eeb6e27b2dca84fa81576e7

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.