MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 973b3d66cf3f04d5be0e10dfa5ab24fbc8c5d2b58cc5728d81a448dbe079f4e6. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 973b3d66cf3f04d5be0e10dfa5ab24fbc8c5d2b58cc5728d81a448dbe079f4e6
SHA3-384 hash: 5a14ad1270ea69a1cc1e0a8edcbe93e501b5e6b6deac1ca1af9d8e5bc1b25bd0690b5b707b10c87eedf65b9cb7d416eb
SHA1 hash: a77526cc5cdf4ea8abb31a6324c2282f1db351c9
MD5 hash: 1fab5b2e8a75f5e6d0ab336c75a45d3e
humanhash: summer-pennsylvania-tennis-eleven
File name:div.exe
Download: download sample
Signature Neurevt
Create hunting rule
File size:488'168 bytes
First seen:2020-09-04 05:25:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 12288:Zan8JD7Lqj8/5kUcoUWZkzZaaqAm5T51jIoUOBT85PWi:jJPLqj8/5kxo0Tq9rt/B48i
Threatray 759 similar samples on MalwareBazaar
TLSH 81A423EB57C0DEAAFC2A007D8C374F22EDD586152CE49E0A6F514A4A35E7E37092E543
Reporter abuse_ch
Tags:BetaBot exe Neurevt


Avatar
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 :
1
# of downloads :
1'843
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/55464/
Detection(s):
PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

SecuriteInfo.com.Artemis162931E90DCF.4593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Launching a process
Sending a UDP request
Adding an access-denied ACE
Moving a system file
Creating a window
Unauthorized injection to a browser process
DNS request
Connection attempt
Sending an HTTP POST request
Changing a file
Forced shutdown of a system process
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
Create hunting rule
Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/459831
Signature
Contains functionality to create processes via WMI
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Hijacks the control flow in another process
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies Internet Explorer zone settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
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)
Writes to foreign memory regions
Yara detected Betabot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 282316 Sample: div.exe Startdate: 04/09/2020 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Multi AV Scanner detection for dropped file 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 5 other signatures 2->59 9 div.exe 44 2->9         started        12 i319c95s93e1wsa.exe 1 2->12         started        14 i319c95s93e1wsa.exe 1 2->14         started        16 i319c95s93e1wsa.exe 2->16         started        process3 file4 43 C:\Users\user\AppData\...\ShoonCataclysm.dll, PE32 9->43 dropped 45 C:\Users\user\AppData\Roaming\...\vsamui.dll, PE32 9->45 dropped 47 C:\Users\user\AppData\Roaming\...\pgort80.dll, PE32+ 9->47 dropped 49 7 other files (none is malicious) 9->49 dropped 18 rundll32.exe 9->18         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        25 conhost.exe 16->25         started        process5 signatures6 61 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 18->61 63 Hijacks the control flow in another process 18->63 65 Maps a DLL or memory area into another process 18->65 27 cmd.exe 12 25 18->27         started        process7 signatures8 71 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 27->71 73 Creates an undocumented autostart registry key 27->73 75 Maps a DLL or memory area into another process 27->75 77 3 other signatures 27->77 30 explorer.exe 18 51 27->30         started        process9 dnsIp10 51 eastexs.com 5.53.124.203, 49739, 49740, 49741 SELECTELRU Russian Federation 30->51 79 System process connects to network (likely due to code injection or exploit) 30->79 81 Overwrites Windows DLL code with PUSH RET codes 30->81 83 Modifies Internet Explorer zone settings 30->83 85 4 other signatures 30->85 34 kfcWJlMeRMkKevHCOojjc.exe 1 23 30->34 injected 37 kfcWJlMeRMkKevHCOojjc.exe 1 23 30->37 injected 39 kfcWJlMeRMkKevHCOojjc.exe 1 23 30->39 injected 41 12 other processes 30->41 signatures11 process12 signatures13 67 Hides threads from debuggers 34->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/973b3d66cf3f04d5be0e10dfa5ab24fbc8c5d2b58cc5728d81a448dbe079f4e6/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-09-04 05:27:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=s45t2zwph4cnlpqocdp2lkze7pemluvvrtcxfdmburenxydz6tta._file
Verdict:
malicious
Similar samples:
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52ea3c1f51eb3a8920e2895ebe7d54ed9b010407775434da9c47fdeceae7af84
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84b4040d764a758414d6e7d913161c97846e563eb18e3497f207670f9d239bc8
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8bcdcd3db1dd3688101b18e4c090194ce7ac4e96ef206e56d5595e467cf25e46
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959621ed5f48dbbefe1c0e0e0a87bba88bc7a6b39cd1e10af930e1b969de9f97
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9ea8141b737b1dd5d56c800d4f84048014d83489f0fb3a78e42076a81186e30d
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a102c4a2dfca8c218f1e65cbb5050012da856c3deba018d8c238fa9b09dd3a2b
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b1d9adc8ee80f24960fb84adbb029695e49763faecbf559f92410d44bf28b0d3
Neurevt
dafbe8f50df58d704b31ddd6cde8fafa09627ffc4dc63b774104376fe924c3e9
Neurevt
+ 749 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200904-kj6shhfdce/
Behaviour
NSIS installer
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/973b3d66cf3f04d5be0e10dfa5ab24fbc8c5d2b58cc5728d81a448dbe079f4e6

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
Rule name:win_betabot_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_betabot_w0
Create hunting rule
Author:Venom23
Description:Neurevt Malware Sig
Rule name:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Neurevt

Excel file xlsx 3b20874d61fc9dccaf568e149987fa2d6b856b91822237394e778dd4ef989620

Neurevt

Executable exe 973b3d66cf3f04d5be0e10dfa5ab24fbc8c5d2b58cc5728d81a448dbe079f4e6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/453041/
  
Dropped by
MD5 8bb4b1de922189a0ead4d3d53f90dee2
  
Dropped by
SHA256 3b20874d61fc9dccaf568e149987fa2d6b856b91822237394e778dd4ef989620
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/55464/

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