File name:

fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7

Full analysis: https://app.any.run/tasks/6a8ee94e-c492-4c25-90ee-bd5b5b855f54
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: June 21, 2025, 19:04:25
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
dcrat
rat
amsi-bypass
asyncrat
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386, for MS Windows, 8 sections
MD5:

C1AABA2E055D0695F59D72E2448EDDAF

SHA1:

658DF5EE65B1183DE8EF3EC9012F3CB0E8EF6A11

SHA256:

FC8A361B3C326683F7EFAF05AF67DE399BAB2758EE28156C1514A4765346CEF7

SSDEEP:

6144:IFaUVDu6CZHFBLKojWL94/UI5xk8rVW/OGbMO:B9HF9KSWL05xnrVQOGbMO

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

    • DCRAT mutex has been found

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
    • ASYNCRAT has been detected (YARA)

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
  • SUSPICIOUS

    • Possibly patching Antimalware Scan Interface function (YARA)

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
    • Connects to unusual port

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
  • INFO

    • Checks supported languages

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
    • Reads the machine GUID from the registry

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
    • Reads the computer name

      • fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe (PID: 6612)
    • Checks proxy server information

      • slui.exe (PID: 6236)
    • Reads the software policy settings

      • slui.exe (PID: 6236)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(6612) fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe
C2 (1)dgost2.duckdns.org
Ports (1)55330
Version1.0.7
Options
AutoRunfalse
MutexDcRatMutex_qwqdanchun
InstallFolder%AppData%
Certificates
Cert1MIICMDCCAZmgAwIBAgIVAIhNlmebb6nSe6ECHjMpYKJ1i7gvMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIxMDEyODA1MzU1N1oXDTMxMTEwNzA1MzU1N1owEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
Server_SignatureYZL2MDKElARaISpxpc5HifALG5spjzzs6Xgp2BwdGb3EWpV9KghdTPe39Byk4DvVXNy66223NwqZdVqB7rHHia49KFZZDi6TSnWYhNuKmNlJmCqyeya3ibuGK9KtEOBAYr/ttiOQuOv3TUHxCtivbp9l0LkW3YoD8BR+67uA9zA=
Keys
AES99300cd512c780d24c7aec7b7c417c57355e85b04b826f3f84da388f11af16aa
SaltDcRatByqwqdanchun
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2016:11:13 10:38:18+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 14.7
CodeSize: 78336
InitializedDataSize: 37888
UninitializedDataSize: -
EntryPoint: 0x6ee6
OSVersion: 6
ImageVersion: -
SubsystemVersion: 6
Subsystem: Windows GUI
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
135
Monitored processes
3
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #ASYNCRAT fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe svchost.exe slui.exe

Process information

PID
CMD
Path
Indicators
Parent process
2200C:\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
6236C:\WINDOWS\System32\slui.exe -EmbeddingC:\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
Images
c:\windows\system32\slui.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\bcrypt.dll
c:\windows\system32\user32.dll
6612"C:\Users\admin\Desktop\fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe" C:\Users\admin\Desktop\fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Modules
Images
c:\users\admin\desktop\fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\user32.dll
AsyncRat
(PID) Process(6612) fc8a361b3c326683f7efaf05af67de399bab2758ee28156c1514a4765346cef7.exe
C2 (1)dgost2.duckdns.org
Ports (1)55330
Version1.0.7
Options
AutoRunfalse
MutexDcRatMutex_qwqdanchun
InstallFolder%AppData%
Certificates
Cert1MIICMDCCAZmgAwIBAgIVAIhNlmebb6nSe6ECHjMpYKJ1i7gvMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIxMDEyODA1MzU1N1oXDTMxMTEwNzA1MzU1N1owEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
Server_SignatureYZL2MDKElARaISpxpc5HifALG5spjzzs6Xgp2BwdGb3EWpV9KghdTPe39Byk4DvVXNy66223NwqZdVqB7rHHia49KFZZDi6TSnWYhNuKmNlJmCqyeya3ibuGK9KtEOBAYr/ttiOQuOv3TUHxCtivbp9l0LkW3YoD8BR+67uA9zA=
Keys
AES99300cd512c780d24c7aec7b7c417c57355e85b04b826f3f84da388f11af16aa
SaltDcRatByqwqdanchun
Total events
3 914
Read events
3 914
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
31
TCP/UDP connections
52
DNS requests
21
Threats
6

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
888
RUXIMICS.exe
GET
200
184.24.77.38:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
1268
svchost.exe
GET
200
184.24.77.38:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5944
MoUsoCoreWorker.exe
GET
200
184.24.77.38:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
888
RUXIMICS.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
5944
MoUsoCoreWorker.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
1268
svchost.exe
GET
200
2.23.181.156:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
POST
200
20.190.160.66:443
https://login.live.com/RST2.srf
unknown
xml
1.24 Kb
whitelisted
POST
200
20.190.160.131:443
https://login.live.com/ppsecure/deviceaddcredential.srf
unknown
text
16.7 Kb
whitelisted
POST
200
20.190.159.129:443
https://login.live.com/RST2.srf
unknown
xml
11.1 Kb
whitelisted
POST
200
20.190.159.130:443
https://login.live.com/RST2.srf
unknown
xml
11.0 Kb
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
1268
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5944
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
888
RUXIMICS.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
whitelisted
888
RUXIMICS.exe
184.24.77.38:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5944
MoUsoCoreWorker.exe
184.24.77.38:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
1268
svchost.exe
184.24.77.38:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
888
RUXIMICS.exe
2.23.181.156:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5944
MoUsoCoreWorker.exe
2.23.181.156:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
google.com
  • 142.250.74.206
whitelisted
crl.microsoft.com
  • 184.24.77.38
  • 184.24.77.37
  • 184.24.77.29
  • 184.24.77.28
  • 184.24.77.40
  • 184.24.77.36
  • 184.24.77.34
  • 184.24.77.32
  • 184.24.77.33
  • 184.24.77.42
  • 184.24.77.4
  • 184.24.77.39
  • 184.24.77.9
  • 184.24.77.35
  • 184.24.77.10
  • 184.24.77.7
whitelisted
www.microsoft.com
  • 2.23.181.156
whitelisted
settings-win.data.microsoft.com
  • 40.127.240.158
whitelisted
login.live.com
  • 20.190.160.66
  • 20.190.160.67
  • 40.126.32.76
  • 20.190.160.17
  • 40.126.32.138
  • 20.190.160.131
  • 40.126.32.134
  • 20.190.160.65
whitelisted
dgost2.duckdns.org
  • 45.141.233.60
unknown
client.wns.windows.com
  • 172.211.123.248
  • 172.211.123.250
whitelisted
nexusrules.officeapps.live.com
  • 52.111.236.21
whitelisted
slscr.update.microsoft.com
  • 20.12.23.50
whitelisted
fe3cr.delivery.mp.microsoft.com
  • 52.165.164.15
whitelisted

Threats

PID
Process
Class
Message
2200
svchost.exe
Potentially Bad Traffic
ET DYN_DNS DYNAMIC_DNS Query to a *.duckdns .org Domain
2200
svchost.exe
Misc activity
ET DYN_DNS DYNAMIC_DNS Query to *.duckdns. Domain
2200
svchost.exe
Potentially Bad Traffic
ET DYN_DNS DYNAMIC_DNS Query to a *.duckdns .org Domain
2200
svchost.exe
Misc activity
ET DYN_DNS DYNAMIC_DNS Query to *.duckdns. Domain
2200
svchost.exe
Potentially Bad Traffic
ET DYN_DNS DYNAMIC_DNS Query to a *.duckdns .org Domain
2200
svchost.exe
Misc activity
ET DYN_DNS DYNAMIC_DNS Query to *.duckdns. Domain
No debug info