File name:

malwr.exe

Full analysis: https://app.any.run/tasks/b6bd0887-8311-4b9f-93a8-e50289efbd57
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.

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Analysis date: August 08, 2024, 21:37:43
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
asyncrat
rat
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

9AA0F9AF7FE9B83A80C44F76DE1ED016

SHA1:

9942DEC59094159279ABE2B0E98B595868330E02

SHA256:

AE37DAF1ED803957AD1C9775BE7796E8A5EEED47EC840C479AAF14B4906AA4F2

SSDEEP:

1536:IhUQunAM3CVM7VEX4jpr4dgrUbYg4kBdDMYHWy8wf+:IhUQunXyVMudtbYnYHhm

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

    • ASYNCRAT has been detected (MUTEX)

      • malwr.exe (PID: 6588)

    • ASYNCRAT has been detected (YARA)

      • malwr.exe (PID: 6588)

  • SUSPICIOUS

    • Drops the executable file immediately after the start

      • malwr.exe (PID: 6588)

    • Connects to unusual port

      • malwr.exe (PID: 6588)

  • INFO

    • Reads the computer name

      • malwr.exe (PID: 6588)

    • Checks supported languages

      • malwr.exe (PID: 6588)

    • Reads the machine GUID from the registry

      • malwr.exe (PID: 6588)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(6588) malwr.exe
C2 (1)xsesx.duckdns.org
Ports (1)6161
Version0.5.7B
Options
AutoRunfalse
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAPKeaMSejzjkWRUg2I55JTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIxMjE2MDkxODM4WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM2x1VH0dOLds6dI+dBw8lAQ3gto8qlUwMkCrXvyETvV4/+ZE19Tf5ez/dXTITWo8bbZxN0xN98F...
Server_Signaturewdm+7McldNCeXVyVevCcqr8p4jNEMyWC+RUh0zNvSSeBx5mhL565pV0xEu9xr9IJ2Jno4tROvMZtGcyi7WGA7fMNOk5Z0q6yut2Vra4XDlTsULmTHkb2uPintoi7FGTiR5b18k0MXAuqGp9AWqUKRHItoriQVHVySbV4kXR6S2jC6t22WBJSe1AGK49YNmShF2lx/Zs5iPa90E7TdLTslQMF/rwZ9uA7RPhqtdMkpybGNnfF0/S9uQkVYCtkH3ooWynaM/0Q7uHTDU/WNot6skfLVgzXOOqs/3JyVfBVnUUO...
Keys
AESbdf809aa8a4d92ba7cdde3ada083cfe073081f67cc5154119e27e14c14431787
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
No Malware configuration.

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: 2024:03:10 19:26:22+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 57344
InitializedDataSize: 2560
UninitializedDataSize: -
EntryPoint: 0xfe9e
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
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
128
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
2256C:\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
6588"C:\Users\admin\AppData\Local\Temp\malwr.exe" C:\Users\admin\AppData\Local\Temp\malwr.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\malwr.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\mscoree.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
AsyncRat
(PID) Process(6588) malwr.exe
C2 (1)xsesx.duckdns.org
Ports (1)6161
Version0.5.7B
Options
AutoRunfalse
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAPKeaMSejzjkWRUg2I55JTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIxMjE2MDkxODM4WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM2x1VH0dOLds6dI+dBw8lAQ3gto8qlUwMkCrXvyETvV4/+ZE19Tf5ez/dXTITWo8bbZxN0xN98F...
Server_Signaturewdm+7McldNCeXVyVevCcqr8p4jNEMyWC+RUh0zNvSSeBx5mhL565pV0xEu9xr9IJ2Jno4tROvMZtGcyi7WGA7fMNOk5Z0q6yut2Vra4XDlTsULmTHkb2uPintoi7FGTiR5b18k0MXAuqGp9AWqUKRHItoriQVHVySbV4kXR6S2jC6t22WBJSe1AGK49YNmShF2lx/Zs5iPa90E7TdLTslQMF/rwZ9uA7RPhqtdMkpybGNnfF0/S9uQkVYCtkH3ooWynaM/0Q7uHTDU/WNot6skfLVgzXOOqs/3JyVfBVnUUO...
Keys
AESbdf809aa8a4d92ba7cdde3ada083cfe073081f67cc5154119e27e14c14431787
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
Total events
569
Read events
569
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
4
TCP/UDP connections
40
DNS requests
15
Threats
2

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6652
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
6688
backgroundTaskHost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D
unknown
—
—
whitelisted
5484
svchost.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
—
—
whitelisted
5336
SearchApp.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%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
2536
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3888
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
3980
RUXIMICS.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3260
svchost.exe
40.113.110.67:443
client.wns.windows.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5336
SearchApp.exe
104.126.37.153:443
www.bing.com
Akamai International B.V.
DE
unknown
5484
svchost.exe
40.126.32.68:443
login.live.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
unknown
5336
SearchApp.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
5484
svchost.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
whitelisted
google.com
  • 172.217.18.110
whitelisted
client.wns.windows.com
  • 40.113.110.67
whitelisted
www.bing.com
  • 104.126.37.153
  • 104.126.37.155
  • 104.126.37.130
  • 104.126.37.163
  • 104.126.37.161
  • 104.126.37.171
  • 104.126.37.139
  • 104.126.37.160
whitelisted
login.live.com
  • 40.126.32.68
  • 20.190.160.20
  • 20.190.160.17
  • 40.126.32.72
  • 40.126.32.74
  • 20.190.160.22
  • 40.126.32.136
  • 40.126.32.76
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
th.bing.com
  • 104.126.37.153
  • 104.126.37.155
  • 104.126.37.130
  • 104.126.37.163
  • 104.126.37.161
  • 104.126.37.171
  • 104.126.37.139
  • 104.126.37.160
whitelisted
fd.api.iris.microsoft.com
  • 20.103.156.88
whitelisted
arc.msn.com
  • 20.223.35.26
whitelisted
xsesx.duckdns.org
  • 128.90.141.68
malicious

Threats

PID
Process
Class
Message
2256
svchost.exe
Potentially Bad Traffic
ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain
2256
svchost.exe
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
No debug info
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Reports
malwr.exe