| File name: | 2d1c3be3c99d00d39b3ee660ce3e4812.exe |
| Full analysis: | https://app.any.run/tasks/84c7b990-81a3-47db-9749-9a3a7af0e90e |
| 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, 05:36:20 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections |
| MD5: | 2D1C3BE3C99D00D39B3EE660CE3E4812 |
| SHA1: | 466425639A251C299105DFB0A87355ECA6A33932 |
| SHA256: | 578534916DB444EB7AE9DB0D7C15CB3FE33FEC897D38E17112648E0F435A7953 |
| SSDEEP: | 49152:z8Yp+IysPp9fSxIm+QWXPzzNx1tBtiry5/Nt6J0o3SKG7qmTd9lrL6Oj5GSPM1wD:A0+IysTVMsPzPTT/+oKGxh/6otMSilRt |
MALICIOUS
Create files in the Startup directory
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
Actions looks like stealing of personal data
- InstallUtil.exe (PID: 7236)
PUREHVNC has been detected (YARA)
- InstallUtil.exe (PID: 7236)
- InstallUtil.exe (PID: 7988)
ASYNCRAT has been detected (SURICATA)
- InstallUtil.exe (PID: 7236)
SUSPICIOUS
Executable content was dropped or overwritten
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
Contacting a server suspected of hosting an CnC
- InstallUtil.exe (PID: 7236)
Connects to unusual port
- InstallUtil.exe (PID: 7236)
Multiple wallet extension IDs have been found
- InstallUtil.exe (PID: 7236)
- InstallUtil.exe (PID: 7988)
Runs shell command (SCRIPT)
- wscript.exe (PID: 7884)
INFO
Manual execution by a user
- InstallUtil.exe (PID: 7236)
- wscript.exe (PID: 7884)
- InstallUtil.exe (PID: 7988)
Reads the computer name
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
- InstallUtil.exe (PID: 7236)
- InstallUtil.exe (PID: 7988)
- OutputBlockSize.exe (PID: 7940)
Creates files or folders in the user directory
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
Checks supported languages
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
- InstallUtil.exe (PID: 7236)
- OutputBlockSize.exe (PID: 7940)
- InstallUtil.exe (PID: 7988)
Reads the machine GUID from the registry
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
- InstallUtil.exe (PID: 7236)
- InstallUtil.exe (PID: 7988)
- OutputBlockSize.exe (PID: 7940)
Auto-launch of the file from Startup directory
- 2d1c3be3c99d00d39b3ee660ce3e4812.exe (PID: 6944)
Reads the software policy settings
- InstallUtil.exe (PID: 7236)
- slui.exe (PID: 7300)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (81) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.2) |
| .exe | | | Win32 Executable (generic) (4.9) |
| .exe | | | Win16/32 Executable Delphi generic (2.2) |
| .exe | | | Generic Win/DOS Executable (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:24 02:39:35+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 1155584 |
| InitializedDataSize: | 2048 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x11c02e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.3050.22024 |
| ProductVersionNumber: | 1.0.3050.22024 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Locukqpf |
| FileVersion: | 1.0.3050.22024 |
| InternalName: | Locukqpf.exe |
| LegalCopyright: | Copyright © 2022 |
| LegalTrademarks: | - |
| OriginalFileName: | Locukqpf.exe |
| ProductName: | Locukqpf |
| ProductVersion: | 1.0.3050.22024 |
| AssemblyVersion: | 1.0.4675.19912 |
Total processes
140
Monitored processes
8
Malicious processes
2
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1628 | 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
| |||||||||||||||
| 6944 | "C:\Users\admin\AppData\Local\Temp\2d1c3be3c99d00d39b3ee660ce3e4812.exe" | C:\Users\admin\AppData\Local\Temp\2d1c3be3c99d00d39b3ee660ce3e4812.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Locukqpf Exit code: 4294967295 Version: 1.0.3050.22024 Modules
| |||||||||||||||
| 7236 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
| 7244 | 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
| |||||||||||||||
| 7300 | "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
| |||||||||||||||
| 7884 | wscript "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OutputBlockSize.vbs" | C:\Windows\System32\wscript.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 7940 | "C:\Users\admin\AppData\Roaming\OutputBlockSize.exe" | C:\Users\admin\AppData\Roaming\OutputBlockSize.exe | — | wscript.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Locukqpf Exit code: 4294967295 Version: 1.0.3050.22024 Modules
| |||||||||||||||
| 7988 | "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: .NET Framework installation utility Exit code: 0 Version: 4.8.9037.0 built by: NET481REL1 Modules
| |||||||||||||||
Total events
4 725
Read events
4 725
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6944 | 2d1c3be3c99d00d39b3ee660ce3e4812.exe | C:\Users\admin\AppData\Roaming\OutputBlockSize.exe | executable | |
MD5:2D1C3BE3C99D00D39B3EE660CE3E4812 | SHA256:578534916DB444EB7AE9DB0D7C15CB3FE33FEC897D38E17112648E0F435A7953 | |||
| 6944 | 2d1c3be3c99d00d39b3ee660ce3e4812.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\OutputBlockSize.vbs | text | |
MD5:73499DD7D03CBFB28E2FC6461B8D7379 | SHA256:5E3C2B980F756E89225CFA233340CAB0EDF3C8E71D802F33CBC3EFE52EDE2E6E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
22
DNS requests
15
Threats
2
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
8100 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
8100 | SIHClient.exe | GET | 200 | 95.101.149.131:80 | 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 |
|---|---|---|---|---|---|---|
4784 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | 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 |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2112 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
7236 | InstallUtil.exe | 185.193.48.51:56001 | — | Xt Global Networks Ltd. | GB | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
7236 | InstallUtil.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT/zgRAT Style SSL Cert |
7236 | InstallUtil.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |