File name:

lintu.exe

Full analysis: https://app.any.run/tasks/6b762850-38ec-455c-b6ad-f839c0e43b64
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: March 24, 2025, 16:19:32
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
asyncrat
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

C0581C41F8C6A7039050A761A7D1DF3C

SHA1:

43C4E40D398FBAF5DD8F3B4C96CCE28399EE90C9

SHA256:

2A29A204AC318AFB5C3F3AE26CECD461B60AB8D192D0D88896B19666EF01CDFF

SSDEEP:

1536:4PBjfXwdKXV3PTAHbKP/Ml77/cWmfG9KmVcl:4PSaPT6bKPCd/K8Y

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 (YARA)

      • lintu.exe (PID: 668)

  • SUSPICIOUS

    • Connects to unusual port

      • lintu.exe (PID: 668)

  • INFO

    • Reads the machine GUID from the registry

      • lintu.exe (PID: 668)

    • Reads the software policy settings

      • slui.exe (PID: 5720)

    • Reads Environment values

      • lintu.exe (PID: 668)

    • Checks proxy server information

      • slui.exe (PID: 5720)

    • Checks supported languages

      • lintu.exe (PID: 668)

    • Reads the computer name

      • lintu.exe (PID: 668)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(668) lintu.exe
C2 (3)127.0.0.1
192.168.172.126
192.168.172.253
Ports (3)6606
7707
8808
Version0.5.6A
Options
AutoRunfalse
Mutexfcxvlkhxpwnjyxiwkme
InstallFolder%AppData%
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAK0bh8oQotOSYCuL30kUPzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjUwMzIyMTU1MDQyWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBANKTgFPaH0qnIRa9+Ur6/frEOHeRxQODHlPHdjgDOjQSIO3H2aMBjQQOvfSYWff/c+iVHdPGnebz...
Server_SignaturesdkyiUw/wumDhbcYRwVrQn0eTtXuHCkVk91wPVMm459UCugR/pQYY9sC9uwG42e9+z13/Aiy474JCL6hbDzgTVar6o7FISBwF1WAIvrA6upmGn9Qu38HdYYp64N7kGstF9fN13RMohVCexsKxCG1JqL8JVxc9TjVZE2yaUebhyEK9sE7NwQdfQ9xLNqBWGvQG/yFB/x91ZLvL6coO1ZUn3aUL76Go2xnjSoAdooQvEZ+VqBXUI4dGTS0Xp0Lj/tiPFDll38wA825ZVtrzoUef02djTGfCLxX6awTORB4QCBY...
Keys
AES4cbc2556a14dbef61a6ef154bacbd434332e9e9a213740a69901fe1ab5be41ca
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: 2043:08:24 08:18:35+00:00
ImageFileCharacteristics: Executable, Large address aware
PEType: PE32
LinkerVersion: 48
CodeSize: 44544
InitializedDataSize: 4608
UninitializedDataSize: -
EntryPoint: 0xccce
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
124
Monitored processes
2
Malicious processes
1
Suspicious processes
0

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
668"C:\Users\admin\Desktop\lintu.exe" C:\Users\admin\Desktop\lintu.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\lintu.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
AsyncRat
(PID) Process(668) lintu.exe
C2 (3)127.0.0.1
192.168.172.126
192.168.172.253
Ports (3)6606
7707
8808
Version0.5.6A
Options
AutoRunfalse
Mutexfcxvlkhxpwnjyxiwkme
InstallFolder%AppData%
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAK0bh8oQotOSYCuL30kUPzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjUwMzIyMTU1MDQyWhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBANKTgFPaH0qnIRa9+Ur6/frEOHeRxQODHlPHdjgDOjQSIO3H2aMBjQQOvfSYWff/c+iVHdPGnebz...
Server_SignaturesdkyiUw/wumDhbcYRwVrQn0eTtXuHCkVk91wPVMm459UCugR/pQYY9sC9uwG42e9+z13/Aiy474JCL6hbDzgTVar6o7FISBwF1WAIvrA6upmGn9Qu38HdYYp64N7kGstF9fN13RMohVCexsKxCG1JqL8JVxc9TjVZE2yaUebhyEK9sE7NwQdfQ9xLNqBWGvQG/yFB/x91ZLvL6coO1ZUn3aUL76Go2xnjSoAdooQvEZ+VqBXUI4dGTS0Xp0Lj/tiPFDll38wA825ZVtrzoUef02djTGfCLxX6awTORB4QCBY...
Keys
AES4cbc2556a14dbef61a6ef154bacbd434332e9e9a213740a69901fe1ab5be41ca
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
5720C:\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
Total events
4 506
Read events
4 505
Write events
1
Delete events
0

Modification events

(PID) Process:(668) lintu.exeKey:HKEY_CURRENT_USER\SOFTWARE\3C54740F7CC0F23B53E5
Operation:writeName:3C54740F7CC0F23B53E5
Value:
0
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
3
TCP/UDP connections
23
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5496
MoUsoCoreWorker.exe
GET
200
2.19.11.120:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
—
—
POST
500
20.83.72.98:443
https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail
unknown
xml
512 b
whitelisted
—
—
POST
500
20.83.72.98:443
https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail
unknown
xml
512 b
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
—
—
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
5496
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
192.168.100.255:137
—
—
—
whitelisted
5496
MoUsoCoreWorker.exe
2.19.11.120:80
crl.microsoft.com
Elisa Oyj
NL
whitelisted
5496
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5680
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
2112
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
668
lintu.exe
192.168.172.126:7707
—
—
—
unknown
3008
slui.exe
40.91.76.224:443
activation-v2.sls.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 4.231.128.59
whitelisted
google.com
  • 142.250.186.78
whitelisted
crl.microsoft.com
  • 2.19.11.120
  • 2.19.11.105
whitelisted
activation-v2.sls.microsoft.com
  • 40.91.76.224
whitelisted

Threats

No threats detected
No debug info
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Reports
lintu.exe