download:

/NYAN-x-CAT/AsyncRAT-C-Sharp/releases/download/v0.5.8/COMPILED.zip

Full analysis: https://app.any.run/tasks/029117d6-56d5-4d21-9289-7dd03154bccf
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.

Malware Trends Tracker     >>>
Analysis date: April 03, 2024, 16:25:06
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
asyncrat
stealer
mircop
ransomware
Indicators:
MIME: application/zip
File info: Zip archive data, at least v2.0 to extract, compression method=store
MD5:

30B1961A9B56972841A3806E716531D7

SHA1:

63C6880D936A60FEFC43A51715036C93265A4AE5

SHA256:

0B29711EC115C27F4CD6963B9EA1E4FEBF15624F1C17D1C018611EE3DF8C333C

SSDEEP:

98304:5shr/UvjaKkkrapH/ykDAAvFMfMSsjEmNRP3V6JnS1RSlsg5qEUfZamMw2tThdyJ:7QqJJQR/8WIidOU

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

    • Drops the executable file immediately after the start

      • WinRAR.exe (PID: 2124)
      • AsyncRAT.exe (PID: 2420)

    • ASYNCRAT has been detected (YARA)

      • AsyncRAT.exe (PID: 2420)
      • AsyncClient.exe (PID: 3980)

    • Actions looks like stealing of personal data

      • AsyncClient.exe (PID: 3980)

    • Steals credentials from Web Browsers

      • AsyncClient.exe (PID: 3980)

    • Changes appearance of the Explorer extensions

      • AsyncClient.exe (PID: 3980)

    • MIRCOP has been detected

      • AsyncClient.exe (PID: 3980)

    • Steals credentials

      • AsyncRAT.exe (PID: 2420)

  • SUSPICIOUS

    • Reads security settings of Internet Explorer

      • AsyncRAT.exe (PID: 2420)

    • Reads the Internet Settings

      • AsyncRAT.exe (PID: 2420)
      • AsyncClient.exe (PID: 3980)

    • Reads settings of System Certificates

      • AsyncClient.exe (PID: 3980)

    • Creates file in the systems drive root

      • AsyncClient.exe (PID: 3980)

  • INFO

    • Manual execution by a user

      • AsyncRAT.exe (PID: 2420)
      • wmpnscfg.exe (PID: 1816)
      • AsyncClient.exe (PID: 3980)
      • notepad.exe (PID: 4092)

    • Reads the computer name

      • AsyncRAT.exe (PID: 2420)
      • wmpnscfg.exe (PID: 1816)
      • AsyncClient.exe (PID: 3980)

    • Creates files or folders in the user directory

      • AsyncRAT.exe (PID: 2420)

    • Reads Environment values

      • AsyncRAT.exe (PID: 2420)
      • AsyncClient.exe (PID: 3980)

    • Checks supported languages

      • AsyncRAT.exe (PID: 2420)
      • wmpnscfg.exe (PID: 1816)
      • AsyncClient.exe (PID: 3980)

    • Reads the machine GUID from the registry

      • AsyncRAT.exe (PID: 2420)
      • AsyncClient.exe (PID: 3980)

    • Reads Microsoft Office registry keys

      • AsyncRAT.exe (PID: 2420)

    • Reads the software policy settings

      • AsyncClient.exe (PID: 3980)

    • Create files in a temporary directory

      • AsyncClient.exe (PID: 3980)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(3980) AsyncClient.exe
C2 (1)127.0.0.1
Ports (3)6606
7707
8808
BotnetDefault
Version0.5.8
Options
AutoRunfalse
MutexVMQxFbKDRX0C
InstallFolder%AppData%
BSoDfalse
AntiVMfalse
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQANxwZ0mRmzDBglTFEPwtZzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjQwNDAxMTYyNjQ1WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK8j835sQj+9Stq9aZR0o7MMOdfX8hqiKZiXvimt+626xzoqV6Y13Aj6sSMHhcIdf8MI1QwNo5Rf...
Server_SignatureLZtsWYNVH6a5fpurF9L6wSy4e0Vkj4vspH/zZF/rmrdByj1HRHxXNYcHG3yB+sHMdzGrlBZjWQEYTcucKS3CMgWNfZFTJyqcyTKz1K7tWOHBLAo5ELToIluLohUNdrFR01uKPlUxOsS/FEbLdqXJGrgumuCU5Pwvr5qa+iKuvAXat9RqTFsmrNZapxqOtuqAUuXJx23iUBTyApzZlo7e6omOCui7DMv68xMyGK+8Wdt0K1QuZyu06jd82qg/ttl+eRbl4HafFBshHGha+Uxp8iaZ8B2tmBtMTowGpr5LPy0L...
Keys
AES868fadce89c4012f23a694ae26a4003a41bda263ddd18cdc52363e7b051719fa
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
No Malware configuration.

TRiD

.zip | ZIP compressed archive (100)

EXIF

ZIP

ZipRequiredVersion: 20
ZipBitFlag: -
ZipCompression: None
ZipModifyDate: 2023:10:17 00:41:26
ZipCRC: 0x00000000
ZipCompressedSize: -
ZipUncompressedSize: -
ZipFileName: AsyncRAT/
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
48
Monitored processes
5
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start winrar.exe no specs #ASYNCRAT asyncrat.exe wmpnscfg.exe no specs #ASYNCRAT asyncclient.exe notepad.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
1816"C:\Program Files\Windows Media Player\wmpnscfg.exe"C:\Program Files\Windows Media Player\wmpnscfg.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Media Player Network Sharing Service Configuration Application
Exit code:
0
Version:
12.0.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\program files\windows media player\wmpnscfg.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
2124"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\COMPILED.zip"C:\Program Files\WinRAR\WinRAR.exe—explorer.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
2420"C:\Users\admin\Desktop\AsyncRAT\AsyncRAT.exe" C:\Users\admin\Desktop\AsyncRAT\AsyncRAT.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
AsyncRAT
Version:
0.5.8.0
Modules
Images
c:\users\admin\desktop\asyncrat\asyncrat.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
3980"C:\Users\admin\Desktop\AsyncClient.exe" C:\Users\admin\Desktop\AsyncClient.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.0.0.0
Modules
Images
c:\users\admin\desktop\asyncclient.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
AsyncRat
(PID) Process(3980) AsyncClient.exe
C2 (1)127.0.0.1
Ports (3)6606
7707
8808
BotnetDefault
Version0.5.8
Options
AutoRunfalse
MutexVMQxFbKDRX0C
InstallFolder%AppData%
BSoDfalse
AntiVMfalse
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQANxwZ0mRmzDBglTFEPwtZzANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjQwNDAxMTYyNjQ1WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK8j835sQj+9Stq9aZR0o7MMOdfX8hqiKZiXvimt+626xzoqV6Y13Aj6sSMHhcIdf8MI1QwNo5Rf...
Server_SignatureLZtsWYNVH6a5fpurF9L6wSy4e0Vkj4vspH/zZF/rmrdByj1HRHxXNYcHG3yB+sHMdzGrlBZjWQEYTcucKS3CMgWNfZFTJyqcyTKz1K7tWOHBLAo5ELToIluLohUNdrFR01uKPlUxOsS/FEbLdqXJGrgumuCU5Pwvr5qa+iKuvAXat9RqTFsmrNZapxqOtuqAUuXJx23iUBTyApzZlo7e6omOCui7DMv68xMyGK+8Wdt0K1QuZyu06jd82qg/ttl+eRbl4HafFBshHGha+Uxp8iaZ8B2tmBtMTowGpr5LPy0L...
Keys
AES868fadce89c4012f23a694ae26a4003a41bda263ddd18cdc52363e7b051719fa
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
4092"C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\AsyncRAT\ClientsFolder\D04F4D4D0DF87BA77AAE\Recovery\Password_04-03-2024 17;27;58.txtC:\Windows\System32\notepad.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Notepad
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\notepad.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\gdi32.dll
c:\windows\system32\user32.dll
Total events
23 227
Read events
23 003
Write events
210
Delete events
14

Modification events

(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtBMP
Value:
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes
Operation:writeName:ShellExtIcon
Value:
(PID) Process:(2124) WinRAR.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:3
Value:
C:\Users\admin\Desktop\phacker.zip
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:2
Value:
C:\Users\admin\Desktop\Win7-KB3191566-x86.zip
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:1
Value:
C:\Users\admin\Desktop\curl-8.5.0_1-win32-mingw.zip
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\ArcHistory
Operation:writeName:0
Value:
C:\Users\admin\AppData\Local\Temp\COMPILED.zip
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:name
Value:
120
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:size
Value:
80
(PID) Process:(2124) WinRAR.exeKey:HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths
Operation:writeName:type
Value:
120
Executable files
16
Suspicious files
7
Text files
9
Unknown types
1

Dropped files

PID
Process
Filename
Type
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\AsyncRAT.exeexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\AsyncRAT.exe.configxml
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\Chat.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\Extra.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\FileManager.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\FileSearcher.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\LimeLogger.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\Miscellaneous.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\Options.dllexecutable
MD5:—
SHA256:—
2124WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$DRa2124.801\AsyncRAT\Plugins\ProcessManager.dllexecutable
MD5:—
SHA256:—
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
5
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3980
AsyncClient.exe
GET
200
199.232.214.172:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?656f5c1e2d424937
unknown
—
—
unknown
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
4
System
192.168.100.255:138
—
—
—
whitelisted
—
—
224.0.0.252:5355
—
—
—
unknown
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
3980
AsyncClient.exe
199.232.214.172:80
ctldl.windowsupdate.com
FASTLY
US
unknown

DNS requests

Domain
IP
Reputation
ctldl.windowsupdate.com
  • 199.232.214.172
  • 199.232.210.172
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
/NYAN-x-CAT/AsyncRAT-C-Sharp/releases/download/v0.5.8/COMPILED.zip