MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6055c9082177de31bd75ef56f112fe7c2d36d2f064b9564e3e16968805bd479a. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	6055c9082177de31bd75ef56f112fe7c2d36d2f064b9564e3e16968805bd479a
SHA3-384 hash:	d0d756cedc5b67c8fe36443b7dbb4d7b1410b5a6d06b4559d60e55ebe9ce5d6e64bd622913d3bc84133fff5bc40e0813
SHA1 hash:	1b8dd084bc949b6f525baf5cbbf6d55943861eee
MD5 hash:	1b50897ce36fc0d89085cbf1c3b1376b
humanhash:	fourteen-bacon-yankee-georgia
File name:	NO_86072-PI.xlsx
Download:	download sample
Signature	Neurevt Create hunting rule
File size:	667'648 bytes
First seen:	2020-09-08 06:48:29 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	12288:mms4kuLHI+GyjFLZw80EMdlXZjZ9BHG3AIgA/Hyj0CS32z+IhH:q4FoAFLd+FV98iv+IhH
TLSH	40E423D6B9226F1BE65A5A3A143512355BEB4DED875FF4006CFAF7048036330BE982B1
Reporter	abuse_ch
Tags:	CVE-2017-11882 Neurevt xlsx

abuse_ch

Malspam distributing Neurevt:

From: Josh Edison <vedpalsingh>
Subject: Re:Proforma Invoi©e NO. 86072
Attachment: NO_86072-PI.xlsx

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

Neurevt C2:
http://eastexs.com/~zadmin/lk/we/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

Launching the default Windows debugger (dwwin.exe)

Launching a file downloaded from the Internet

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

Creating a process from a recently created file

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6055c9082177de31bd75ef56f112fe7c2d36d2f064b9564e3e16968805bd479a/

Threat name:

Document-Office.Exploit.CVE-2017-11882

Status:

Malicious

First seen:

2020-09-07 23:52:28 UTC

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mbk4scbbo7pddplv55lpcex6pqwtnuxqms4vmtr6c2liqbn5i6na._file

Result

Malware family:

n/a

Score:

4/10

Tags:

n/a

Link:

https://tria.ge/reports/200908-tyd55th42a/

Behaviour

Launches Equation Editor

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

NSIS installer

Program crash

Drops file in Windows directory

Loads dropped DLL

Uses the VBS compiler for execution

Blacklisted process makes network request

Executes dropped EXE

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/6055c9082177de31bd75ef56f112fe7c2d36d2f064b9564e3e16968805bd479a

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.