File name:

SilverClient.exe

Full analysis: https://app.any.run/tasks/6dd3376d-d765-4f1c-ac66-c718619a9fe2
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: January 09, 2025, 11:34:29
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
asyncrat
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows, 2 sections
MD5:

7CA038B550EE364BC39BA3EBBFC0FB0E

SHA1:

45969ACA7D7850AA2FD1B1C3C03A65919EFFB899

SHA256:

632AFC11C1652F563A31015C766CE4D8F0D7EA34A5668511E7C08113E657CD3D

SSDEEP:

1536:L4GKQmbeEXlPKMTgLjtocw83KUdqGAv9KCExkogIx/:L4GKQmbeEXlPKMTadaGAv9RExpv

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

    • ASYNCRAT has been detected (YARA)

      • SilverClient.exe (PID: 3608)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Uses Task Scheduler to run other applications

      • $77SecurityHealthSystray.exe.exe (PID: 2008)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Adds extension to the Windows Defender exclusion list

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

  • SUSPICIOUS

    • Executing commands from a ".bat" file

      • SilverClient.exe (PID: 3608)

    • Uses ATTRIB.EXE to modify file attributes

      • SilverClient.exe (PID: 3608)

    • Starts CMD.EXE for commands execution

      • SilverClient.exe (PID: 3608)
      • $77SecurityHealthSystray.exe.exe (PID: 2008)

    • Executable content was dropped or overwritten

      • SilverClient.exe (PID: 3608)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 3296)

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

      • $77SecurityHealthSystray.exe.exe (PID: 2008)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Lists all scheduled tasks

      • schtasks.exe (PID: 5972)
      • schtasks.exe (PID: 5576)
      • schtasks.exe (PID: 3984)

    • Reads security settings of Internet Explorer

      • $77SecurityHealthSystray.exe.exe (PID: 2008)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Reads the date of Windows installation

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Script adds exclusion extension to Windows Defender

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Starts POWERSHELL.EXE for commands execution

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Connects to unusual port

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

  • INFO

    • Checks supported languages

      • SilverClient.exe (PID: 3608)
      • $77SecurityHealthSystray.exe.exe (PID: 2008)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Reads the computer name

      • SilverClient.exe (PID: 3608)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)
      • $77SecurityHealthSystray.exe.exe (PID: 2008)

    • Checks proxy server information

      • SilverClient.exe (PID: 3608)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Reads the machine GUID from the registry

      • SilverClient.exe (PID: 3608)
      • $77SecurityHealthSystray.exe.exe (PID: 2008)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Reads Environment values

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • The process uses the downloaded file

      • $77SecurityHealthSystray.exe.exe (PID: 2008)
      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Process checks computer location settings

      • $77SecurityHealthSystray.exe.exe (PID: 1412)

    • Checks if a key exists in the options dictionary (POWERSHELL)

      • powershell.exe (PID: 4840)

    • Script raised an exception (POWERSHELL)

      • powershell.exe (PID: 4840)
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: 2025:01:09 11:27:10+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32+
LinkerVersion: 11
CodeSize: 41984
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: SilverClient.exe
LegalCopyright:
OriginalFileName: SilverClient.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
147
Monitored processes
27
Malicious processes
5
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #ASYNCRAT silverclient.exe attrib.exe no specs conhost.exe no specs attrib.exe no specs conhost.exe no specs cmd.exe no specs conhost.exe no specs timeout.exe no specs $77securityhealthsystray.exe.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 $77securityhealthsystray.exe.exe 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
648\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
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
1140\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—schtasks.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
1412"C:\Users\admin\root\$77SecurityHealthSystray.exe.exe" C:\Users\admin\root\$77SecurityHealthSystray.exe.exe
cmd.exe
User:
admin
Integrity Level:
HIGH
Description:
Version:
0.0.0.0
Modules
Images
c:\users\admin\root\$77securityhealthsystray.exe.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1448timeout 3 C:\Windows\System32\timeout.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
Modules
Images
c:\windows\system32\timeout.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\user32.dll
c:\windows\system32\win32u.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\gdi32full.dll
c:\windows\system32\msvcp_win.dll
1540\??\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)
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
1572\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—attrib.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
2008"C:\Users\admin\root\$77SecurityHealthSystray.exe.exe" C:\Users\admin\root\$77SecurityHealthSystray.exe.exe—cmd.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\root\$77securityhealthsystray.exe.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2192C:\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
2232\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.exe—attrib.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
3296C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpB9ED.tmp.bat""C:\Windows\System32\cmd.exe—SilverClient.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
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\apphelp.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\combase.dll
c:\windows\system32\ucrtbase.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\cmdext.dll
Total events
8 402
Read events
8 401
Write events
1
Delete events
0

Modification events

(PID) Process:(3608) SilverClient.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:(default)
Value:
"C:\Users\admin\root\$77SecurityHealthSystray.exe.exe"
Executable files
1
Suspicious files
1
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
4840powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_zwgktfgd.la4.ps1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
4840powershell.exeC:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_v0gxubho.twf.psm1text
MD5:D17FE0A3F47BE24A6453E9EF58C94641
SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7
3608SilverClient.exeC:\Users\admin\root\$77SecurityHealthSystray.exe.exeexecutable
MD5:7CA038B550EE364BC39BA3EBBFC0FB0E
SHA256:632AFC11C1652F563A31015C766CE4D8F0D7EA34A5668511E7C08113E657CD3D
4840powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractivebinary
MD5:428DFA86FF365720364C75786556B021
SHA256:3BFBDB2E9099DB385DEB8A5B21B827C13B154FE404D3EC4680C76FFEA6EF8AC5
3608SilverClient.exeC:\Users\admin\AppData\Local\Temp\tmpB9ED.tmp.battext
MD5:7FC6A51474DFE956ACC4CEEB8FBA7178
SHA256:20AC4F65010F7F9E77A7C66AA98F99E12C3981B12D3DCCBD9D888E4AA32E284A
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
453
DNS requests
7
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
4652
svchost.exe
GET
200
2.16.164.24:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
2.16.164.24:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
GET
200
184.30.230.103:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
—
—
GET
200
184.30.230.103:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
4128
RUXIMICS.exe
GET
200
184.30.230.103:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
4128
RUXIMICS.exe
GET
200
2.16.164.24:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.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
4128
RUXIMICS.exe
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
2.23.227.198:443
www.bing.com
Ooredoo Q.S.C.
QA
whitelisted
4712
MoUsoCoreWorker.exe
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4652
svchost.exe
20.73.194.208:443
—
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
4128
RUXIMICS.exe
2.16.164.24:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4652
svchost.exe
2.16.164.24:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4712
MoUsoCoreWorker.exe
2.16.164.24:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4128
RUXIMICS.exe
184.30.230.103:80
www.microsoft.com
AKAMAI-AS
US
whitelisted
4652
svchost.exe
184.30.230.103:80
www.microsoft.com
AKAMAI-AS
US
whitelisted

DNS requests

Domain
IP
Reputation
www.bing.com
  • 2.23.227.198
  • 2.23.227.215
  • 2.23.227.221
  • 2.23.227.208
whitelisted
google.com
  • 216.58.206.78
whitelisted
crl.microsoft.com
  • 2.16.164.24
  • 2.16.164.34
  • 2.16.164.114
  • 2.16.164.51
  • 2.16.164.72
  • 2.16.164.9
whitelisted
www.microsoft.com
  • 184.30.230.103
whitelisted
settings-win.data.microsoft.com
  • 4.231.128.59
whitelisted
speed-janet.gl.at.ply.gg
  • 147.185.221.25
unknown
self.events.data.microsoft.com
  • 20.189.173.6
whitelisted

Threats

PID
Process
Class
Message
2192
svchost.exe
Misc activity
ET INFO Tunneling Service in DNS Lookup (* .ply .gg)
2192
svchost.exe
Potentially Bad Traffic
ET INFO playit .gg Tunneling Domain in DNS Lookup
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Reports
SilverClient.exe