| File name: | 253f2f81c335265caba1ce6c1f3cd725.exe |
| Full analysis: | https://app.any.run/tasks/1ccb0e03-3d1f-49ac-bf8a-9a573286dbe8 |
| 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: | April 29, 2025, 05:33:20 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 8 sections |
| MD5: | 253F2F81C335265CABA1CE6C1F3CD725 |
| SHA1: | EC2D48687FEF55B2735062424A84F85E51E01D04 |
| SHA256: | 51F0400E2DAC0B9542DCE9098E261E151E6CF3EA693EB943DF3ADBAA33889634 |
| SSDEEP: | 49152:vH7tKJcvDWTqCVjp+yOtJaJsEsPCdaFvbjcin+ygJ4yNgCLm4LFxtKFd:T4aLCVjpZsJaJsEVd+bb+JBN1q4PkFd |
MALICIOUS
Registers / Runs the DLL via REGSVR32.EXE
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
DCRAT mutex has been found
- regsvr32.exe (PID: 1660)
ASYNCRAT has been detected (SURICATA)
- regsvr32.exe (PID: 1660)
SUSPICIOUS
Executable content was dropped or overwritten
- 253f2f81c335265caba1ce6c1f3cd725.exe (PID: 5512)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.exe (PID: 1132)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Reads the Windows owner or organization settings
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Process drops legitimate windows executable
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Reads security settings of Internet Explorer
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
Starts POWERSHELL.EXE for commands execution
- regsvr32.exe (PID: 1660)
Contacting a server suspected of hosting an CnC
- regsvr32.exe (PID: 1660)
The process bypasses the loading of PowerShell profile settings
- regsvr32.exe (PID: 1660)
The process executes via Task Scheduler
- regsvr32.exe (PID: 2088)
Connects to unusual port
- regsvr32.exe (PID: 1660)
The process hide an interactive prompt from the user
- regsvr32.exe (PID: 1660)
INFO
Reads the computer name
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Create files in a temporary directory
- 253f2f81c335265caba1ce6c1f3cd725.exe (PID: 5512)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.exe (PID: 1132)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Checks supported languages
- 253f2f81c335265caba1ce6c1f3cd725.exe (PID: 5512)
- 253f2f81c335265caba1ce6c1f3cd725.exe (PID: 1132)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Process checks computer location settings
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
The sample compiled with english language support
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 6388)
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Creates files or folders in the user directory
- 253f2f81c335265caba1ce6c1f3cd725.tmp (PID: 2140)
Checks if a key exists in the options dictionary (POWERSHELL)
- powershell.exe (PID: 4688)
- powershell.exe (PID: 6988)
Reads the software policy settings
- regsvr32.exe (PID: 1660)
- slui.exe (PID: 6540)
Application based on Rust
- regsvr32.exe (PID: 1660)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Inno Setup installer (81.5) |
|---|---|---|
| .exe | | | Win32 Executable Delphi generic (10.5) |
| .exe | | | Win32 Executable (generic) (3.3) |
| .exe | | | Win16/32 Executable Delphi generic (1.5) |
| .exe | | | Generic Win/DOS Executable (1.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2004:03:11 20:09:15+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 86016 |
| InitializedDataSize: | 214016 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x16478 |
| OSVersion: | 5 |
| ImageVersion: | 6 |
| SubsystemVersion: | 5 |
| 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 |
| Comments: | This installation was built with Inno Setup. |
| CompanyName: | |
| FileDescription: | Program Compatibility Assistant User Interface Setup |
| FileVersion: | |
| LegalCopyright: | |
| ProductName: | Program Compatibility Assistant User Interface |
| ProductVersion: | 10.0.19041.928 |
Total processes
141
Monitored processes
14
Malicious processes
5
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1132 | "C:\Users\admin\AppData\Local\Temp\253f2f81c335265caba1ce6c1f3cd725.exe" /VERYSILENT | C:\Users\admin\AppData\Local\Temp\253f2f81c335265caba1ce6c1f3cd725.exe | 253f2f81c335265caba1ce6c1f3cd725.tmp | ||||||||||||
User: admin Company: Integrity Level: MEDIUM Description: Program Compatibility Assistant User Interface Setup Exit code: 0 Version: Modules
| |||||||||||||||
| 1660 | /s /i:INSTALL "C:\Users\admin\AppData\Roaming\microsoft\systemcertificates\\InputRoutingProxy1.pfx" | C:\Windows\System32\regsvr32.exe | regsvr32.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1764 | "regsvr32.exe" /s /i:INSTALL "C:\Users\admin\AppData\Roaming\microsoft\systemcertificates\\InputRoutingProxy1.pfx" | C:\Windows\SysWOW64\regsvr32.exe | — | 253f2f81c335265caba1ce6c1f3cd725.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2088 | "C:\WINDOWS\system32\regsvr32.EXE" /s /i:INSTALL "C:\Users\admin\AppData\Roaming\Microsoft\SystemCertificates\InputRoutingProxy1.pfx" | C:\Windows\System32\regsvr32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Exit code: 4 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2140 | "C:\Users\admin\AppData\Local\Temp\is-NLC8S.tmp\253f2f81c335265caba1ce6c1f3cd725.tmp" /SL5="$802D2,663797,301056,C:\Users\admin\AppData\Local\Temp\253f2f81c335265caba1ce6c1f3cd725.exe" /VERYSILENT | C:\Users\admin\AppData\Local\Temp\is-NLC8S.tmp\253f2f81c335265caba1ce6c1f3cd725.tmp | 253f2f81c335265caba1ce6c1f3cd725.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 4008 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.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
| |||||||||||||||
| 4208 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.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
| |||||||||||||||
| 4220 | 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
| |||||||||||||||
| 4688 | "PowerShell.exe" -NoProfile -NonInteractive -Command - | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | regsvr32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5512 | "C:\Users\admin\AppData\Local\Temp\253f2f81c335265caba1ce6c1f3cd725.exe" | C:\Users\admin\AppData\Local\Temp\253f2f81c335265caba1ce6c1f3cd725.exe | explorer.exe | ||||||||||||
User: admin Company: Integrity Level: MEDIUM Description: Program Compatibility Assistant User Interface Setup Exit code: 1 Version: Modules
| |||||||||||||||
Total events
16 058
Read events
16 058
Write events
0
Delete events
0
Modification events
Executable files
8
Suspicious files
1
Text files
4
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6388 | 253f2f81c335265caba1ce6c1f3cd725.tmp | C:\Users\admin\AppData\Local\Temp\is-FLU08.tmp\_isetup\_setup64.tmp | executable | |
MD5:4FF75F505FDDCC6A9AE62216446205D9 | SHA256:A4C86FC4836AC728D7BD96E7915090FD59521A9E74F1D06EF8E5A47C8695FD81 | |||
| 1132 | 253f2f81c335265caba1ce6c1f3cd725.exe | C:\Users\admin\AppData\Local\Temp\is-NLC8S.tmp\253f2f81c335265caba1ce6c1f3cd725.tmp | executable | |
MD5:6DF089CB3D0CB1185858BE22DE4B332B | SHA256:E330A5728740C87ABDC13C0E4C54C2C3EA319617EFD885AB9B082E7C173DD5BF | |||
| 4688 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_12cwcec5.o4y.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 5512 | 253f2f81c335265caba1ce6c1f3cd725.exe | C:\Users\admin\AppData\Local\Temp\is-GE5E4.tmp\253f2f81c335265caba1ce6c1f3cd725.tmp | executable | |
MD5:6DF089CB3D0CB1185858BE22DE4B332B | SHA256:E330A5728740C87ABDC13C0E4C54C2C3EA319617EFD885AB9B082E7C173DD5BF | |||
| 4688 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_mwhpjook.ibd.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 6988 | powershell.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive | binary | |
MD5:9D9F7E72A1E58D00F69B98875BDB485F | SHA256:988AA5100FE646D41A011A16070C90F4FDF28B2E79C0290BA3BDA9F90F6C1E6E | |||
| 2140 | 253f2f81c335265caba1ce6c1f3cd725.tmp | C:\Users\admin\AppData\Local\Temp\is-P2B3G.tmp\_isetup\_setup64.tmp | executable | |
MD5:4FF75F505FDDCC6A9AE62216446205D9 | SHA256:A4C86FC4836AC728D7BD96E7915090FD59521A9E74F1D06EF8E5A47C8695FD81 | |||
| 6988 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_xjbh2s03.pae.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 2140 | 253f2f81c335265caba1ce6c1f3cd725.tmp | C:\Users\admin\AppData\Roaming\Microsoft\SystemCertificates\InputRoutingProxy1.pfx | executable | |
MD5:62E92C80024292D4EAC7E5CFE1E8D28B | SHA256:5BBD562FA6FC5F04F7D6F89FFA006DEE0263CFC18FB36C41F82436CD5A42962B | |||
| 2140 | 253f2f81c335265caba1ce6c1f3cd725.tmp | C:\Users\admin\AppData\Roaming\Microsoft\SystemCertificates\is-VM60E.tmp | executable | |
MD5:62E92C80024292D4EAC7E5CFE1E8D28B | SHA256:5BBD562FA6FC5F04F7D6F89FFA006DEE0263CFC18FB36C41F82436CD5A42962B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
20
DNS requests
15
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2420 | 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 |
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2420 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%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 |
|---|---|---|---|---|---|---|
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
6436 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.6:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2104 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
1660 | regsvr32.exe | 176.65.144.19:8848 | — | — | DE | malicious |
2420 | SIHClient.exe | 172.202.163.200:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | GB | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
login.live.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1660 | regsvr32.exe | Misc Attack | ET DROP Spamhaus DROP Listed Traffic Inbound group 30 |
1660 | regsvr32.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
1660 | regsvr32.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (AsyncRAT) |
1660 | regsvr32.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |