| File name: | 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe |
| Full analysis: | https://app.any.run/tasks/e1aa2354-1542-46c7-8008-edd9d2430e45 |
| 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. |
| Analysis date: | July 13, 2024, 00:06:33 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows |
| MD5: | 5F6F1EAD85640562773029089CBBAE04 |
| SHA1: | F08751B9B58A185FF2EBDF239AC32FDC60E31250 |
| SHA256: | 414D937477864B8A470EDA5F0E8D37041760E81A4D02240746E7A9679B133E7D |
| SSDEEP: | 768:TcgClnhrIk5WjtbBAwcjGW9/xvKTStFS+9GbPlOz1GB6SazgGvhryCXtId:oh35WBmjGcZCMFObPA1GoqG5Ud |
MALICIOUS
Drops the executable file immediately after the start
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
ASYNCRAT has been detected (YARA)
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Changes the autorun value in the registry
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
Uses Task Scheduler to run other applications
- $77wsappx.exe (PID: 1272)
Attempting to use instant messaging service
- $77wsappx.exe (PID: 1272)
SUSPICIOUS
Reads security settings of Internet Explorer
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Reads the date of Windows installation
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Uses ATTRIB.EXE to modify file attributes
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
Executable content was dropped or overwritten
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
Executing commands from a ".bat" file
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
Uses TIMEOUT.EXE to delay execution
- cmd.exe (PID: 4832)
Starts CMD.EXE for commands execution
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
The executable file from the user directory is run by the CMD process
- $77wsappx.exe (PID: 1272)
Connects to unusual port
- $77wsappx.exe (PID: 1272)
The process connected to a server suspected of theft
- $77wsappx.exe (PID: 1272)
INFO
Reads the computer name
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Checks supported languages
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Reads the machine GUID from the registry
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Checks proxy server information
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Creates files or folders in the user directory
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
Process checks computer location settings
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
- $77wsappx.exe (PID: 1272)
Create files in a temporary directory
- 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe (PID: 4020)
Disables trace logs
- $77wsappx.exe (PID: 1272)
Reads Environment values
- $77wsappx.exe (PID: 1272)
Reads the software policy settings
- $77wsappx.exe (PID: 1272)
- slui.exe (PID: 5404)
Attempting to use instant messaging service
- $77wsappx.exe (PID: 1272)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
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: | 2024:07:02 17:23:52+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 11 |
| CodeSize: | 41472 |
| 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 |
Total processes
151
Monitored processes
14
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1272 | "C:\Users\admin\AppData\Roaming\wsappx\$77wsappx.exe" | C:\Users\admin\AppData\Roaming\wsappx\$77wsappx.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 0.0.0.0 Modules
| |||||||||||||||
| 1296 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2404 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.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
| |||||||||||||||
| 2704 | timeout 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
| |||||||||||||||
| 3540 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\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
| |||||||||||||||
| 3668 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4020 | "C:\Users\admin\AppData\Local\Temp\414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe" | C:\Users\admin\AppData\Local\Temp\414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 0.0.0.0 Modules
| |||||||||||||||
| 4832 | C:\WINDOWS\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp43E1.tmp.bat"" | C:\Windows\System32\cmd.exe | — | 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.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
| |||||||||||||||
| 5404 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6276 | "C:\Windows\System32\attrib.exe" +s +h "C:\Users\admin\AppData\Roaming\wsappx" | C:\Windows\System32\attrib.exe | — | 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Attribute Utility Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
5 264
Read events
5 232
Write events
32
Delete events
0
Modification events
| (PID) Process: | (4020) 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (4020) 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (4020) 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (4020) 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (4020) 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | (default) |
Value: "C:\Users\admin\AppData\Roaming\wsappx\$77wsappx.exe" | |||
| (PID) Process: | (1272) $77wsappx.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (1272) $77wsappx.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (1272) $77wsappx.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (1272) $77wsappx.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (1272) $77wsappx.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\$77wsappx_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4020 | 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | C:\Users\admin\AppData\Roaming\wsappx\$77wsappx.exe | executable | |
MD5:5F6F1EAD85640562773029089CBBAE04 | SHA256:414D937477864B8A470EDA5F0E8D37041760E81A4D02240746E7A9679B133E7D | |||
| 4020 | 414d937477864b8a470eda5f0e8d37041760e81a4d02240746e7a9679b133e7d.exe | C:\Users\admin\AppData\Local\Temp\tmp43E1.tmp.bat | text | |
MD5:A8B8476E933EA60F0671FE803D631FAF | SHA256:FFC18E7D092ACE414D7BA1EE3E5C6B79D42DA237C92AAA8279D85B8849C79E93 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
94
DNS requests
21
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1972 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1972 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2060 | svchost.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2060 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2124 | RUXIMICS.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6176 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
4656 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
3944 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6236 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
6672 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4032 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
2060 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1972 | MoUsoCoreWorker.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2124 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1972 | MoUsoCoreWorker.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
2060 | svchost.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
2124 | RUXIMICS.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
1972 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
arc.msn.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2168 | svchost.exe | Misc activity | ET INFO Observed Discord Domain in DNS Lookup (discord .com) |
1272 | $77wsappx.exe | Misc activity | ET INFO Observed Discord Domain (discord .com in TLS SNI) |
2168 | svchost.exe | Potentially Bad Traffic | ET INFO playit .gg Tunneling Domain in DNS Lookup |
1272 | $77wsappx.exe | Successful Credential Theft Detected | STEALER [ANY.RUN] Attempt to exfiltrate via Discord |