File name:

VBS.exe

Full analysis: https://app.any.run/tasks/42f984e4-ab4d-4767-9228-cfb4b911faba
Verdict: Malicious activity
Threats:

AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions.

Malware Trends Tracker     >>>
Analysis date: July 30, 2024, 12:42:29
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
asyncrat
rat
remote
bitrat
Indicators:
MIME: application/x-dosexec
File info: PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
MD5:

5B95FC963613BB0730F9B6F8EBF9C957

SHA1:

3B81523DCDE42378F90B828C244BCE00FF70E7D7

SHA256:

0D58F273CC81F8FFA77BC142438EDF5F0A57CD74153DD7FE61220E26F016089D

SSDEEP:

1536:aE4dc0mQ+i7dnd/thwwHtRRa7GsU92nTojISL:idc0Yi7dnd/trqGsU9EkJ

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

    • Drops the executable file immediately after the start

      • VBS.exe (PID: 1148)

    • ASYNCRAT has been detected (YARA)

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4560)

    • Changes the autorun value in the registry

      • VBS.exe (PID: 1148)

    • Uses Task Scheduler to run other applications

      • $77VBS.exe (PID: 4752)
      • $77VBS.exe (PID: 4560)

    • Windows Defender preferences modified via 'Set-MpPreference'

      • $77VBS.exe (PID: 4560)

    • Adds extension to the Windows Defender exclusion list

      • $77VBS.exe (PID: 4560)

    • ASYNCRAT has been detected (SURICATA)

      • $77VBS.exe (PID: 4560)

    • Connects to the CnC server

      • $77VBS.exe (PID: 4560)

    • BITRAT has been detected (SURICATA)

      • $77VBS.exe (PID: 4560)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4752)
      • $77VBS.exe (PID: 4560)

    • Reads the date of Windows installation

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4752)
      • $77VBS.exe (PID: 4560)

    • Uses ATTRIB.EXE to modify file attributes

      • VBS.exe (PID: 1148)

    • Executable content was dropped or overwritten

      • VBS.exe (PID: 1148)

    • Executing commands from a ".bat" file

      • VBS.exe (PID: 1148)

    • Starts CMD.EXE for commands execution

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4752)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 2376)

    • Lists all scheduled tasks

      • schtasks.exe (PID: 2692)
      • schtasks.exe (PID: 3524)
      • schtasks.exe (PID: 5472)

    • The executable file from the user directory is run by the CMD process

      • $77VBS.exe (PID: 4560)
      • $77VBS.exe (PID: 4752)

    • Starts POWERSHELL.EXE for commands execution

      • $77VBS.exe (PID: 4560)

    • Script adds exclusion extension to Windows Defender

      • $77VBS.exe (PID: 4560)

    • Executes as Windows Service

      • VSSVC.exe (PID: 4548)

    • Contacting a server suspected of hosting an CnC

      • $77VBS.exe (PID: 4560)

    • Connects to unusual port

      • $77VBS.exe (PID: 4560)

  • INFO

    • Checks supported languages

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4560)
      • $77VBS.exe (PID: 4752)

    • Reads the machine GUID from the registry

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4560)
      • $77VBS.exe (PID: 4752)

    • Checks proxy server information

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4752)
      • $77VBS.exe (PID: 4560)

    • Reads the computer name

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4560)
      • $77VBS.exe (PID: 4752)

    • Process checks computer location settings

      • VBS.exe (PID: 1148)
      • $77VBS.exe (PID: 4752)
      • $77VBS.exe (PID: 4560)

    • Create files in a temporary directory

      • VBS.exe (PID: 1148)

    • Reads the software policy settings

      • $77VBS.exe (PID: 4560)

    • Reads Environment values

      • $77VBS.exe (PID: 4560)

    • Script raised an exception (POWERSHELL)

      • powershell.exe (PID: 1468)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (87.3)
.exe | Generic Win/DOS Executable (6.3)
.exe | DOS Executable Generic (6.3)

EXIF

EXE

MachineType: AMD AMD64
TimeStamp: 2024:07:30 01:43:32+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32+
LinkerVersion: 11
CodeSize: 42496
InitializedDataSize: 1536
UninitializedDataSize: -
EntryPoint: 0x0000
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 0.0.0.0
ProductVersionNumber: 0.0.0.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
FileDescription:
FileVersion: 0.0.0.0
InternalName: Client.exe
LegalCopyright:
OriginalFileName: Client.exe
ProductVersion: 0.0.0.0
AssemblyVersion: 0.0.0.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
173
Monitored processes
30
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #ASYNCRAT vbs.exe attrib.exe no specs conhost.exe no specs attrib.exe no specs conhost.exe no specs slui.exe no specs cmd.exe no specs conhost.exe no specs timeout.exe no specs $77vbs.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs cmd.exe conhost.exe no specs #ASYNCRAT $77vbs.exe SPPSurrogate no specs vssvc.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs powershell.exe no specs conhost.exe no specs schtasks.exe no specs conhost.exe no specs svchost.exe

Process information

PID
CMD
Path
Indicators
Parent process
328\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—schtasks.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
1148"C:\Users\admin\AppData\Local\Temp\VBS.exe" C:\Users\admin\AppData\Local\Temp\VBS.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
1468"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionExtension exe,bat,dll,ps1;exitC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—$77VBS.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
1712C:\WINDOWS\system32\DllHost.exe /Processid:{F32D97DF-E3E5-4CB9-9E3E-0EB5B4E49801}C:\Windows\System32\dllhost.exe—svchost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
COM Surrogate
Exit code:
0
Version:
10.0.19041.3636 (WinBuild.160101.0800)
1996\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
2284C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s DnscacheC:\Windows\System32\svchost.exe
services.exe
User:
NETWORK SERVICE
Company:
Microsoft Corporation
Integrity Level:
SYSTEM
Description:
Host Process for Windows Services
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\svchost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\combase.dll
c:\windows\system32\kernel.appcore.dll
2376C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp5B08.tmp.bat""C:\Windows\System32\cmd.exe—VBS.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
10.0.19041.1 (WinBuild.160101.0800)
2692"schtasks.exe" /query /TN $77VBS.exeC:\Windows\System32\schtasks.exe—$77VBS.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Task Scheduler Configuration Tool
Exit code:
1
Version:
10.0.19041.1 (WinBuild.160101.0800)
3524"schtasks.exe" /query /TN $77VBS.exeC:\Windows\System32\schtasks.exe—$77VBS.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
3704"C:\Windows\System32\attrib.exe" +s +h "C:\Users\admin\WindowsHosts\$77VBS.exe"C:\Windows\System32\attrib.exe—VBS.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Attribute Utility
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Total events
0
Read events
0
Write events
0
Delete events
0

Modification events

No data
Executable files
1
Suspicious files
1
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
1148VBS.exeC:\Users\admin\WindowsHosts\$77VBS.exeexecutable
MD5:5B95FC963613BB0730F9B6F8EBF9C957
SHA256:0D58F273CC81F8FFA77BC142438EDF5F0A57CD74153DD7FE61220E26F016089D
1468powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_labez4d5.wxo.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
1468powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_4pnhsyoi.q2u.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
1148VBS.exeC:\Users\admin\AppData\Local\Temp\tmp5B08.tmp.battext
MD5:600CB4290387224EB3D5ED24F9D524DD
SHA256:EFDD5E250D2959CA7D140B3C8E4A69C18FD578CED456EF606F076DD4E96A74C2
1468powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractivebinary
MD5:906AC53DABDC6C7A0947D0812F899A91
SHA256:0183A719B608C3AC579EE1283BC26BF6A26D7FE9E3D089C8F9F64B0DCBD34A28
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
41
DNS requests
23
Threats
7

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5368
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D
unknown
—
—
whitelisted
4424
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
3676
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
5368
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D
unknown
—
—
whitelisted
4548
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
4132
OfficeClickToRun.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D
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
4
System
192.168.100.255:138
—
—
—
whitelisted
6220
svchost.exe
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5368
SearchApp.exe
131.253.33.254:443
a-ring-fallback.msedge.net
MICROSOFT-CORP-MSN-AS-BLOCK
US
unknown
5368
SearchApp.exe
104.126.37.144:443
www.bing.com
Akamai International B.V.
DE
unknown
4648
RUXIMICS.exe
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4380
slui.exe
40.91.76.224:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
6012
MoUsoCoreWorker.exe
4.231.128.59:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2432
slui.exe
40.91.76.224:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
—
—
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted

DNS requests

Domain
IP
Reputation
t-ring-fdv2.msedge.net
  • 13.107.237.254
unknown
a-ring-fallback.msedge.net
  • 131.253.33.254
unknown
www.bing.com
  • 104.126.37.144
  • 104.126.37.128
  • 104.126.37.137
  • 104.126.37.131
  • 104.126.37.139
  • 104.126.37.145
  • 104.126.37.138
  • 104.126.37.123
  • 104.126.37.136
  • 104.126.37.186
  • 104.126.37.130
  • 104.126.37.184
  • 104.126.37.185
whitelisted
google.com
  • 172.217.16.206
whitelisted
settings-win.data.microsoft.com
  • 51.104.136.2
whitelisted
login.live.com
  • 20.190.159.23
  • 20.190.159.2
  • 20.190.159.75
  • 40.126.31.71
  • 40.126.31.69
  • 20.190.159.0
  • 20.190.159.64
  • 20.190.159.68
whitelisted
fp-afd-nocache-ccp.azureedge.net
  • 13.107.253.45
whitelisted
client.wns.windows.com
  • 40.115.3.253
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
fp.msedge.net
  • 204.79.197.222
whitelisted

Threats

PID
Process
Class
Message
2284
svchost.exe
Potentially Bad Traffic
ET INFO playit .gg Tunneling Domain in DNS Lookup
2284
svchost.exe
Potentially Bad Traffic
ET INFO playit .gg Tunneling Domain in DNS Lookup
4560
$77VBS.exe
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (Silver Keylogger)
4560
$77VBS.exe
Domain Observed Used for C2 Detected
ET MALWARE Generic AsyncRAT Style SSL Cert
4560
$77VBS.exe
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
4560
$77VBS.exe
Malware Command and Control Activity Detected
REMOTE [ANY.RUN] AsyncRAT Successful Connection
1 ETPRO signatures available at the full report
No debug info
Interactive malware hunting service ANY.RUN
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Reports
VBS.exe