MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c04ac89e9b1cabb0a4be1a842a10da59868f6abff4d6df443967bf323260ab0. 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: 4c04ac89e9b1cabb0a4be1a842a10da59868f6abff4d6df443967bf323260ab0
SHA3-384 hash: c95f82887d2fb68dff27f11ed40c489a413f6a2034340304980f033b321dcc4ad1e65b058e44a37bb7b5496136dd7bd7
SHA1 hash: 04bf92b46dcd3a98557cd5c63100fe13a35e00a6
MD5 hash: 6920841d517abb8ec4d61a6704bf3d5f
humanhash: fillet-fifteen-massachusetts-twelve
File name:6920841d517abb8ec4d61a6704bf3d5f.exe
Download: download sample
Signature Neurevt
Create hunting rule
File size:500'718 bytes
First seen:2020-09-10 05:43:52 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:/anX4nb/6U5EtfwdsRbUehlmGo59M+wqbJSCcp/iwtxUml:og6uS4dsHhlmGXCcp3
TLSH 14B422037F8DD4A3CE54A2B012F666BB5F6E9D403666838B23183B6EF5703428E1F645
Reporter abuse_ch
Tags:exe Neurevt


Avatar
abuse_ch
Neurevt C2:
http://eastexs.com/~zadmin/lk/we/logout.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58291/
Detection(s):
PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

PUA.Win.Adware.Browserio-6725861-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a file
Launching a process
Launching cmd.exe command interpreter
Adding an access-denied ACE
Moving a system file
Creating a window
Unauthorized injection to a browser process
DNS request
Connection attempt
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/462871
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
Maps a DLL or memory area into another process
Modifies Internet Explorer zone settings
Multi AV Scanner detection for domain / URL
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: 283835 Sample: eBJIvjUyjE.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Multi AV Scanner detection for domain / URL 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 5 other signatures 2->67 9 eBJIvjUyjE.exe 1 24 2->9         started        12 yski3cy95oa5.exe 1 2->12         started        14 yski3cy95oa5.exe 1 2->14         started        16 2 other processes 2->16 process3 file4 49 C:\Users\user\AppData\...\PartiShikari.dll, PE32 9->49 dropped 51 C:\Users\user\AppData\...\sbsdiasymreader.dll, PE32 9->51 dropped 53 C:\Users\user\AppData\Local\...\hxvzui.dll, PE32 9->53 dropped 55 C:\Users\user\AppData\Local\...\edbgps.dll, PE32 9->55 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 69 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 18->69 71 Hijacks the control flow in another process 18->71 73 Maps a DLL or memory area into another process 18->73 27 cmd.exe 12 25 18->27         started        30 cmd.exe 18->30         started        32 cmd.exe 18->32         started        34 cmd.exe 18->34         started        process7 signatures8 87 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 27->87 89 Creates an undocumented autostart registry key 27->89 91 Maps a DLL or memory area into another process 27->91 93 3 other signatures 27->93 36 explorer.exe 18 48 27->36         started        process9 dnsIp10 57 eastexs.com 84.38.183.160, 49747, 49748, 49749 SELECTELRU Russian Federation 36->57 59 192.168.2.1 unknown unknown 36->59 75 System process connects to network (likely due to code injection or exploit) 36->75 77 Overwrites Windows DLL code with PUSH RET codes 36->77 79 Modifies Internet Explorer zone settings 36->79 81 4 other signatures 36->81 40 qIdyhCcbzfyDUosPF.exe 1 23 36->40 injected 43 qIdyhCcbzfyDUosPF.exe 1 23 36->43 injected 45 qIdyhCcbzfyDUosPF.exe 1 23 36->45 injected 47 9 other processes 36->47 signatures11 process12 signatures13 83 Hides threads from debuggers 40->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 40->85
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c04ac89e9b1cabb0a4be1a842a10da59868f6abff4d6df443967bf323260ab0/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-09-10 00:07:51 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqckzcpjwhflwcsl4guefiinuwmgr5vl75gw35cdsz57gizgbkya._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200910-fl5yd6yw1s/
Behaviour
NSIS installer
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4c04ac89e9b1cabb0a4be1a842a10da59868f6abff4d6df443967bf323260ab0

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.

Web download

Neurevt

Executable exe 4c04ac89e9b1cabb0a4be1a842a10da59868f6abff4d6df443967bf323260ab0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/453041/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58291/

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