File name:

notepad2.exe

Full analysis: https://app.any.run/tasks/86454d10-d8c3-45b1-ae7e-7dfd9c911652
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: December 27, 2023, 16:35:11
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
asyncrat
remote
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

BD489C151B13B2B1E54F33DA36B92B13

SHA1:

0CE93984D438B379666DD0DB25A1A6BBE62F001C

SHA256:

102A5C711B3303A205E6BABFD739C85C7DD94A207EFB507A9101A5485CA95481

SSDEEP:

1536:2eWUIwxAUY+DNIBF367xQdybiI7xnybSwYypMcO0vgtH7wm2J:2eWUIwxAUY87x6q9VybSwYyvOcu78J

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 (SURICATA)

      • notepad.exe (PID: 492)

    • ASYNCRAT has been detected (YARA)

      • notepad.exe (PID: 492)

  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • notepad2.exe (PID: 116)
      • notepad.exe (PID: 492)

    • The process creates files with name similar to system file names

      • notepad2.exe (PID: 116)

    • Reads the Internet Settings

      • notepad.exe (PID: 492)

    • Reads settings of System Certificates

      • notepad.exe (PID: 492)

    • Connects to unusual port

      • notepad.exe (PID: 492)

    • Executing commands from a ".bat" file

      • notepad.exe (PID: 492)
      • notepad2.exe (PID: 116)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 268)
      • cmd.exe (PID: 2256)

  • INFO

    • Create files in a temporary directory

      • notepad2.exe (PID: 116)
      • notepad.exe (PID: 492)

    • Checks supported languages

      • notepad2.exe (PID: 116)
      • notepad.exe (PID: 492)

    • Process drops legitimate windows executable

      • notepad2.exe (PID: 116)

    • Reads the machine GUID from the registry

      • notepad2.exe (PID: 116)
      • notepad.exe (PID: 492)

    • Reads the computer name

      • notepad2.exe (PID: 116)
      • notepad.exe (PID: 492)

    • Drops the executable file immediately after the start

      • notepad2.exe (PID: 116)

    • Creates files or folders in the user directory

      • notepad2.exe (PID: 116)

    • The executable file from the user directory is run by the CMD process

      • notepad.exe (PID: 492)

    • Reads Environment values

      • notepad.exe (PID: 492)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(492) notepad.exe
BotnetDefault
Version0.5.7B
Options
AutoRuntrue
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
BSoDtrue
AntiVMtrue
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAKoqom07VUgA3r0dl8/c+TANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwMjE5MjEyNTA3WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM9LVAyiw27Nx3nznTRowgeiULU/Q385Jx6dU0pW+t8UZEk8xroPF8nmdVYbNgtZi/r2C4ky7fNx...
Server_SignatureS/IIP/GcIFCiKABHtDLnvR98IJyOXldyPuXJnI9zj3oaYV+MK3zfcAjsq7cC09wkrSwfEKhk1AfmISLKIDR+XFXkV+lGfUsSCzsBvQEusRM4a6SdHFF7va8U0YjVdmv2RHK5CrscWwmRZSvbUWXZDEWBG7VWIibkJPUdYuBmvPSWaQxg/jgJKDXXNveIewZFGNl5uG7oa/NvzZUpwp/3RBQp14R7dPohHuIsr/7xMLpOYBvTKsAim13qAYj10j6Zm7QeQ+nM1MZDcEL4pVrd+rJmh5VRAavtPtRYtw69yNqT...
Keys
AES74076da1f8d9413948104507b0db7235755b02aa888b334cab6086be7100489a
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
Credentials
Protocolpastebin
URLhttps://pastebin.com/raw/QeEC9AnT
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: 2020:05:10 07:24:51+02:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 45568
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0xd0ee
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 6.2.19041.3636
ProductVersionNumber: 6.2.19041.3636
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: Microsoft Corporation
FileDescription: Bloco de notas
FileVersion: 6.2.19041.3636
InternalName: Notepad
LegalCopyright: © Microsoft Corporation. Todos os direitos reservados.
LegalTrademarks: -
OriginalFileName: Notepad
ProductName: Sistema operacional Microsoft® Windows®
ProductVersion: 6.2.19041.3636
AssemblyVersion: 6.2.19041.3636
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
42
Monitored processes
6
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start notepad2.exe no specs cmd.exe no specs timeout.exe no specs #ASYNCRAT notepad.exe cmd.exe no specs timeout.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
116"C:\Users\admin\AppData\Local\Temp\notepad2.exe" C:\Users\admin\AppData\Local\Temp\notepad2.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Bloco de notas
Exit code:
0
Version:
6.2.19041.3636
Modules
Images
c:\users\admin\appdata\local\temp\notepad2.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
268C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpBD97.tmp.bat""C:\Windows\System32\cmd.exe—notepad.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
492"C:\Users\admin\AppData\Roaming\notepad.exe" C:\Users\admin\AppData\Roaming\notepad.exe
cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Bloco de notas
Exit code:
0
Version:
6.2.19041.3636
Modules
Images
c:\users\admin\appdata\roaming\notepad.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(492) notepad.exe
BotnetDefault
Version0.5.7B
Options
AutoRuntrue
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
BSoDtrue
AntiVMtrue
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAKoqom07VUgA3r0dl8/c+TANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwMjE5MjEyNTA3WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM9LVAyiw27Nx3nznTRowgeiULU/Q385Jx6dU0pW+t8UZEk8xroPF8nmdVYbNgtZi/r2C4ky7fNx...
Server_SignatureS/IIP/GcIFCiKABHtDLnvR98IJyOXldyPuXJnI9zj3oaYV+MK3zfcAjsq7cC09wkrSwfEKhk1AfmISLKIDR+XFXkV+lGfUsSCzsBvQEusRM4a6SdHFF7va8U0YjVdmv2RHK5CrscWwmRZSvbUWXZDEWBG7VWIibkJPUdYuBmvPSWaQxg/jgJKDXXNveIewZFGNl5uG7oa/NvzZUpwp/3RBQp14R7dPohHuIsr/7xMLpOYBvTKsAim13qAYj10j6Zm7QeQ+nM1MZDcEL4pVrd+rJmh5VRAavtPtRYtw69yNqT...
Keys
AES74076da1f8d9413948104507b0db7235755b02aa888b334cab6086be7100489a
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
Credentials
Protocolpastebin
URLhttps://pastebin.com/raw/QeEC9AnT
2016timeout 3 C:\Windows\System32\timeout.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.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\ws2_32.dll
2256C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp2883.tmp.bat""C:\Windows\System32\cmd.exe—notepad2.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
1
Version:
6.1.7601.17514 (win7sp1_rtm.101119-1850)
Modules
Images
c:\windows\system32\cmd.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\winbrand.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3588timeout 3 C:\Windows\System32\timeout.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
timeout - pauses command processing
Exit code:
0
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\system32\timeout.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\ws2_32.dll
Total events
4 857
Read events
4 827
Write events
28
Delete events
2

Modification events

(PID) Process:(116) notepad2.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(492) notepad.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(492) notepad.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:delete valueName:notepad
Value:
"C:\Users\admin\AppData\Roaming\notepad.exe"
(PID) Process:(492) notepad.exeKey:HKEY_CURRENT_USER\Software\D04F4D4D0DF87BA77AAE
Operation:delete keyName:(default)
Value:
Executable files
1
Suspicious files
4
Text files
2
Unknown types
0

Dropped files

PID
Process
Filename
Type
492notepad.exeC:\Users\admin\AppData\Local\Temp\tmpBD97.tmp.battext
MD5:5EDF77969B66B6ECCA29CFD835934837
SHA256:D6FB508EB5E113DCC4F3690C68A500F76D26DF3D3152275AB2176A305F3DF31C
492notepad.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:C59A35E074465D2978B6685ED1BC8A90
SHA256:B8A9390F2D084CA068684DF43119FFA118152FAC2F5A327DE27534B78994C82B
116notepad2.exeC:\Users\admin\AppData\Local\Temp\tmp2883.tmp.battext
MD5:7AFD494BE27EB25566BC431E7B5659E5
SHA256:F7E12C82783C027FE23BE495F5AC696F15A28B9524381B79FF8BA7BE58B045C0
492notepad.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:AC05D27423A85ADC1622C714F2CB6184
SHA256:C6456E12E5E53287A547AF4103E0397CB9697E466CF75844312DC296D43D144D
492notepad.exeC:\Users\admin\AppData\Local\Temp\Tar50FB.tmpbinary
MD5:9C0C641C06238516F27941AA1166D427
SHA256:4276AF3669A141A59388BC56A87F6614D9A9BDDDF560636C264219A7EB11256F
492notepad.exeC:\Users\admin\AppData\Local\Temp\Cab50FA.tmpcompressed
MD5:AC05D27423A85ADC1622C714F2CB6184
SHA256:C6456E12E5E53287A547AF4103E0397CB9697E466CF75844312DC296D43D144D
116notepad2.exeC:\Users\admin\AppData\Roaming\notepad.exeexecutable
MD5:BD489C151B13B2B1E54F33DA36B92B13
SHA256:102A5C711B3303A205E6BABFD739C85C7DD94A207EFB507A9101A5485CA95481
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
22
DNS requests
4
Threats
9

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
492
notepad.exe
GET
200
93.184.221.240:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?4a53176c7d6f234f
unknown
compressed
65.2 Kb
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
492
notepad.exe
104.20.68.143:443
pastebin.com
CLOUDFLARENET
—
unknown
492
notepad.exe
3.131.147.49:13162
4.tcp.ngrok.io
AMAZON-02
US
unknown
492
notepad.exe
93.184.221.240:80
ctldl.windowsupdate.com
EDGECAST
GB
whitelisted
492
notepad.exe
3.131.147.49:16649
4.tcp.ngrok.io
AMAZON-02
US
unknown
492
notepad.exe
3.22.15.135:16649
4.tcp.ngrok.io
AMAZON-02
US
unknown

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.68.143
  • 172.67.34.170
  • 104.20.67.143
shared
4.tcp.ngrok.io
  • 3.131.147.49
  • 3.22.15.135
malicious
ctldl.windowsupdate.com
  • 93.184.221.240
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
492
notepad.exe
Domain Observed Used for C2 Detected
REMOTE [ANY.RUN] AsyncRAT SSL certificate
492
notepad.exe
Domain Observed Used for C2 Detected
ET MALWARE Generic AsyncRAT Style SSL Cert
492
notepad.exe
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
1080
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
492
notepad.exe
Domain Observed Used for C2 Detected
REMOTE [ANY.RUN] AsyncRAT SSL certificate
492
notepad.exe
Domain Observed Used for C2 Detected
ET MALWARE Generic AsyncRAT Style SSL Cert
492
notepad.exe
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
492
notepad.exe
Malware Command and Control Activity Detected
REMOTE [ANY.RUN] AsyncRAT Successful Connection
No debug info
Interactive malware hunting service ANY.RUN
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ANY.RUN
Reports
notepad2.exe