| File name: | a.exe |
| Full analysis: | https://app.any.run/tasks/6c950ca9-4ae6-4a2e-885d-3d00353e6fdd |
| 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 27, 2025, 09:45:03 |
| 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: | AEE92A3B4ACD16E6727027DB55D5838B |
| SHA1: | 49003E9AD445A373451F338415F4BD8B46AEB090 |
| SHA256: | D62EEF0BC37694EE34175CECA04453327E0335A73A946A965347FAD752E4378A |
| SSDEEP: | 1536:JWkaWv0fVtgXvo9B3pffKINT6NPzbyg/imklozth/i8rmef+:JWkpvy5T6RzbyWnsati85m |
MALICIOUS
ASYNCRAT has been detected (MUTEX)
- a.exe (PID: 6800)
ASYNCRAT has been detected (YARA)
- a.exe (PID: 6800)
SUSPICIOUS
Identifying current user with WHOAMI command
- cmd.exe (PID: 2088)
INFO
Reads the computer name
- a.exe (PID: 6800)
Checks supported languages
- a.exe (PID: 6800)
Reads the machine GUID from the registry
- a.exe (PID: 6800)
Manual execution by a user
- cmd.exe (PID: 2088)
Reads the software policy settings
- slui.exe (PID: 5936)
- slui.exe (PID: 5964)
Checks proxy server information
- slui.exe (PID: 5964)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(6800) a.exe
C2 (1)127.0.0.1
Ports (3)6606
7707
8808
Version0.5.7B
BotnetDefault
Options
AutoRunfalse
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
BSoDfalse
AntiVMtrue
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAKT8JiSwSSZQnzMaVkNloTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjUwMzI0MTk0NDEyWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAJDwsW6Rhf/AgDDwAVmGJ4V/CqcMIWhkbCQvmoVTyK94Y+q8mCWG8DpJMITi+Qzoolw/sBLlrN+p...
Server_SignatureGzDJhYbQt19WXtShYIAG8oMLQFM95Y2we7Q9fh9TNKplpfEeDZ4GAN9TNJY+XLHm+7tFejQ3bh8nkrz/ThvaRl++ziyviwtqrhnJzsaof7YGS2LpBXc+aZP6dcoExCbBVCZ6oixKALsqv6h+GLpRQgNWRgty2QjwEdAq0iymz6nzez1RoPQuzo8jjlxYH5qdgN1rZS60t7Emr20bLt2cBDsw4Ut/E9gRAqUn6OX9pTyB72k1f993a1cWE06QBC0Rq0VkoUHqoSzt7X2jVcRX/O22sdjhlV457m90dYD0U4GZ...
Keys
AESe9a3ea766b08b65d492299ebfdd55049fd32e16ae597dcb58e72226202707a07
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:03:26 19:51:11+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 47616 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xd8be |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Stub.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Stub.exe |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
142
Monitored processes
10
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1240 | "C:\WINDOWS\regedit.exe" | C:\Windows\regedit.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Editor Exit code: 3221226540 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2088 | "C:\Windows\System32\cmd.exe" | C:\Windows\System32\cmd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 3221225786 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2108 | \??\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
| |||||||||||||||
| 4448 | "C:\WINDOWS\regedit.exe" | C:\Windows\regedit.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Registry Editor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5308 | 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 Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5720 | whoami | C:\Windows\System32\whoami.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: whoami - displays logged on user information Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5936 | "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 Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5964 | 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 Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6576 | regedit | C:\Windows\regedit.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Editor Exit code: 3221226540 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6800 | "C:\Users\admin\AppData\Local\Temp\a.exe" | C:\Users\admin\AppData\Local\Temp\a.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 Modules
AsyncRat(PID) Process(6800) a.exe C2 (1)127.0.0.1 Ports (3)6606 7707 8808 Version0.5.7B BotnetDefault Options AutoRunfalse MutexAsyncMutex_6SI8OkPnk InstallFolder%AppData% BSoDfalse AntiVMtrue Certificates Cert1MIIE8jCCAtqgAwIBAgIQAKT8JiSwSSZQnzMaVkNloTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjUwMzI0MTk0NDEyWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAJDwsW6Rhf/AgDDwAVmGJ4V/CqcMIWhkbCQvmoVTyK94Y+q8mCWG8DpJMITi+Qzoolw/sBLlrN+p... Server_SignatureGzDJhYbQt19WXtShYIAG8oMLQFM95Y2we7Q9fh9TNKplpfEeDZ4GAN9TNJY+XLHm+7tFejQ3bh8nkrz/ThvaRl++ziyviwtqrhnJzsaof7YGS2LpBXc+aZP6dcoExCbBVCZ6oixKALsqv6h+GLpRQgNWRgty2QjwEdAq0iymz6nzez1RoPQuzo8jjlxYH5qdgN1rZS60t7Emr20bLt2cBDsw4Ut/E9gRAqUn6OX9pTyB72k1f993a1cWE06QBC0Rq0VkoUHqoSzt7X2jVcRX/O22sdjhlV457m90dYD0U4GZ... Keys AESe9a3ea766b08b65d492299ebfdd55049fd32e16ae597dcb58e72226202707a07 Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 | |||||||||||||||
Total events
1 768
Read events
1 764
Write events
4
Delete events
0
Modification events
| (PID) Process: | (6800) a.exe | Key: | HKEY_CURRENT_USER\SOFTWARE |
| Operation: | write | Name: | HCSC_3 |
Value: 7B61446D316E6E6E5F30465F7D | |||
| (PID) Process: | (4448) regedit.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Applets\Regedit |
| Operation: | write | Name: | View |
Value: 2C0000000200000003000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF4E0000004E0000000E0400003702000059010000F8000000780000002001000003000000 | |||
| (PID) Process: | (4448) regedit.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Applets\Regedit |
| Operation: | write | Name: | FindFlags |
Value: 14 | |||
| (PID) Process: | (4448) regedit.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Applets\Regedit |
| Operation: | write | Name: | LastKey |
Value: Computer\HKEY_LOCAL_MACHINE\SOFTWARE | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
26
DNS requests
17
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1188 | 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 |
1188 | 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 |
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 |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 23.219.150.101:80 | www.microsoft.com | AKAMAI-AS | CL | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.219.150.101:80 | www.microsoft.com | AKAMAI-AS | CL | 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 | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.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 |