File name:

NotePad.exe

Full analysis: https://app.any.run/tasks/8d6c97fd-e94a-478e-b855-586c163c1ad7
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 26, 2023, 17:50:04
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:

9B11511D9AD2F52E3693F0E1A25BD83D

SHA1:

7533F73151362F24871AE31E6F8EFDCDFF084A01

SHA256:

18D1F10B68626C7D8F1D66FA7663D9F9B57C6FD73E9D771FC50C7F3F3350020F

SSDEEP:

1536:oeWUIwxAUYeQsTTiXR7SXE0b0KV4FUvADvc++mWJ:oeWUIwxAUYeih7S00b0KrvccrJ

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: 2016)

    • Bypass execution policy to execute commands

      • powershell.exe (PID: 956)

    • ASYNCRAT has been detected (YARA)

      • notepad.exe (PID: 2016)

  • SUSPICIOUS

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

      • NotePad.exe (PID: 128)

    • Uses TIMEOUT.EXE to delay execution

      • cmd.exe (PID: 2084)
      • cmd.exe (PID: 2624)

    • Starts CMD.EXE for commands execution

      • NotePad.exe (PID: 128)
      • notepad.exe (PID: 2016)
      • powershell.exe (PID: 956)

    • Executing commands from a ".bat" file

      • NotePad.exe (PID: 128)
      • notepad.exe (PID: 2016)
      • powershell.exe (PID: 956)

    • Starts POWERSHELL.EXE for commands execution

      • cmd.exe (PID: 1264)

    • Powershell scripting: start process

      • cmd.exe (PID: 1264)

    • Reads settings of System Certificates

      • notepad.exe (PID: 2016)

    • Reads the Internet Settings

      • notepad.exe (PID: 2016)
      • powershell.exe (PID: 956)

    • Connects to unusual port

      • notepad.exe (PID: 2016)

  • INFO

    • Reads the machine GUID from the registry

      • NotePad.exe (PID: 128)
      • notepad.exe (PID: 2016)

    • Drops the executable file immediately after the start

      • NotePad.exe (PID: 128)

    • Checks supported languages

      • NotePad.exe (PID: 128)
      • notepad.exe (PID: 2016)

    • Reads the computer name

      • NotePad.exe (PID: 128)
      • notepad.exe (PID: 2016)

    • Process drops legitimate windows executable

      • NotePad.exe (PID: 128)

    • Creates files or folders in the user directory

      • NotePad.exe (PID: 128)

    • Create files in a temporary directory

      • NotePad.exe (PID: 128)
      • notepad.exe (PID: 2016)

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

      • notepad.exe (PID: 2016)

    • Reads Environment values

      • notepad.exe (PID: 2016)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

AsyncRat

(PID) Process(2016) notepad.exe
BotnetDefault
Version0.5.7B
Options
AutoRuntrue
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
BSoDfalse
AntiVMtrue
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAKoqom07VUgA3r0dl8/c+TANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwMjE5MjEyNTA3WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM9LVAyiw27Nx3nznTRowgeiULU/Q385Jx6dU0pW+t8UZEk8xroPF8nmdVYbNgtZi/r2C4ky7fNx...
Server_SignatureEGbatw4FmOhuwsTXqfaExEYOqwJQwly4PVLJhct+oNpW82ys8ywujj0MOezXnjCbgp7ilCWPZfLUYeBk373o9I+FyDe/hYSsIc0ngCa1XhHrDdSzJDYXBKgDf99xIgE50qHR32w3jXUvvctQBS8qFTNfPWpB4xRtoSFafXJfQXUnxZ9gNlJi4+oeqCQonk15LoPlIT6BK266zSsYusxNAfZE5rAI0TLlNUGG/H0aqoMoUFNccIKJbqI4VtWukfgK3r3BIXTTEt6c9Ta30y/jmtixA0t1ydOMAC5RtMSVtg3G...
Keys
AES6d9cdb3c47456c1c80c4614f1075381db75ba0be99f449fbcb9552b13d7ee078
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: 0xd0be
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
48
Monitored processes
9
Malicious processes
3
Suspicious processes
1

Behavior graph

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

Process information

PID
CMD
Path
Indicators
Parent process
128"C:\Users\admin\AppData\Local\Temp\NotePad.exe" C:\Users\admin\AppData\Local\Temp\NotePad.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\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
848C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\brtsjq.bat" "C:\Windows\System32\cmd.exe—powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
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
956powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\admin\AppData\Local\Temp\brtsjq.bat"' C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—cmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows PowerShell
Exit code:
0
Version:
10.0.14409.1005 (rs1_srvoob.161208-1155)
Modules
Images
c:\windows\system32\windowspowershell\v1.0\powershell.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\atl.dll
c:\windows\system32\user32.dll
1264"C:\Windows\System32\cmd.exe" /c start /b powershell –ExecutionPolicy Bypass Start-Process -FilePath '"C:\Users\admin\AppData\Local\Temp\brtsjq.bat"' & exitC:\Windows\System32\cmd.exe—notepad.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
0
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
1924timeout 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
2016"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(2016) notepad.exe
BotnetDefault
Version0.5.7B
Options
AutoRuntrue
MutexAsyncMutex_6SI8OkPnk
InstallFolder%AppData%
BSoDfalse
AntiVMtrue
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAKoqom07VUgA3r0dl8/c+TANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwMjE5MjEyNTA3WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAM9LVAyiw27Nx3nznTRowgeiULU/Q385Jx6dU0pW+t8UZEk8xroPF8nmdVYbNgtZi/r2C4ky7fNx...
Server_SignatureEGbatw4FmOhuwsTXqfaExEYOqwJQwly4PVLJhct+oNpW82ys8ywujj0MOezXnjCbgp7ilCWPZfLUYeBk373o9I+FyDe/hYSsIc0ngCa1XhHrDdSzJDYXBKgDf99xIgE50qHR32w3jXUvvctQBS8qFTNfPWpB4xRtoSFafXJfQXUnxZ9gNlJi4+oeqCQonk15LoPlIT6BK266zSsYusxNAfZE5rAI0TLlNUGG/H0aqoMoUFNccIKJbqI4VtWukfgK3r3BIXTTEt6c9Ta30y/jmtixA0t1ydOMAC5RtMSVtg3G...
Keys
AES6d9cdb3c47456c1c80c4614f1075381db75ba0be99f449fbcb9552b13d7ee078
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
Credentials
Protocolpastebin
URLhttps://pastebin.com/raw/QeEC9AnT
2084C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmpD3A.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
2416timeout 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
2624C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp39D5.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
Total events
6 194
Read events
6 148
Write events
44
Delete events
2

Modification events

(PID) Process:(128) NotePad.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2016) notepad.exeKey:HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E
Operation:writeName:LanguageList
Value:
en-US
(PID) Process:(2016) notepad.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(2016) notepad.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(2016) notepad.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(2016) notepad.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(956) powershell.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(956) powershell.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(956) powershell.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(956) powershell.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
1
Suspicious files
7
Text files
3
Unknown types
0

Dropped files

PID
Process
Filename
Type
956powershell.exeC:\Users\admin\AppData\Local\Temp\nbs4dhfq.o15.psm1binary
MD5:C4CA4238A0B923820DCC509A6F75849B
SHA256:—
2016notepad.exeC:\Users\admin\AppData\Local\Temp\tmp39D5.tmp.battext
MD5:0B3E2AA09B93B921982AC511E7645C5A
SHA256:A5468D53B42167F8611B746AC08D9A229495FEE2CC2E7A34D462120F654F7929
128NotePad.exeC:\Users\admin\AppData\Local\Temp\tmpD3A.tmp.battext
MD5:65CBC548A5F69692AC95BB45D0725FAA
SHA256:1F06B9004E2C7871A65CDB08F85BA81103816282F105C15AF80D23E6C5D75CC4
956powershell.exeC:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractivebinary
MD5:446DD1CF97EABA21CF14D03AEBC79F27
SHA256:A7DE5177C68A64BD48B36D49E2853799F4EBCFA8E4761F7CC472F333DC5F65CF
2016notepad.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506binary
MD5:E78854AE25AE8BBCFF1A42AA51AE5846
SHA256:EDE6E0217C72DFD074BA7DE0D54FE84C4DA863878C98C4371013E78FB7C19313
2016notepad.exeC:\Users\admin\AppData\Local\Temp\Tar4C38.tmpcat
MD5:9C0C641C06238516F27941AA1166D427
SHA256:4276AF3669A141A59388BC56A87F6614D9A9BDDDF560636C264219A7EB11256F
956powershell.exeC:\Users\admin\AppData\Local\Temp\iwmcfz4v.f4h.ps1binary
MD5:C4CA4238A0B923820DCC509A6F75849B
SHA256:—
2016notepad.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506compressed
MD5:AC05D27423A85ADC1622C714F2CB6184
SHA256:C6456E12E5E53287A547AF4103E0397CB9697E466CF75844312DC296D43D144D
2016notepad.exeC:\Users\admin\AppData\Local\Temp\brtsjq.battext
MD5:93BA68D3E97B7F56093A87132E7393AC
SHA256:2D11E2B4C8CEE1EF0F848284FD9E850DDC07307A1017F598A6BE54C66D1F9EBD
128NotePad.exeC:\Users\admin\AppData\Roaming\notepad.exeexecutable
MD5:9B11511D9AD2F52E3693F0E1A25BD83D
SHA256:18D1F10B68626C7D8F1D66FA7663D9F9B57C6FD73E9D771FC50C7F3F3350020F
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
9
DNS requests
4
Threats
6

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2016
notepad.exe
GET
200
2.16.100.169:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?7c5cced82a00ccfd
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
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2016
notepad.exe
104.20.68.143:443
pastebin.com
CLOUDFLARENET
—
unknown
2016
notepad.exe
3.142.81.166:11917
8.tcp.ngrok.io
AMAZON-02
US
unknown
2016
notepad.exe
2.16.100.169:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
unknown

DNS requests

Domain
IP
Reputation
pastebin.com
  • 104.20.68.143
  • 172.67.34.170
  • 104.20.67.143
shared
8.tcp.ngrok.io
  • 3.142.81.166
whitelisted
ctldl.windowsupdate.com
  • 2.16.100.169
  • 88.221.110.121
  • 88.221.110.104
  • 88.221.110.65
  • 88.221.110.114
  • 88.221.110.107
  • 88.221.110.105
  • 88.221.110.67
  • 2.16.100.163
whitelisted

Threats

PID
Process
Class
Message
1080
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
1080
svchost.exe
Misc activity
ET INFO DNS Query to a *.ngrok domain (ngrok.io)
2016
notepad.exe
Domain Observed Used for C2 Detected
REMOTE [ANY.RUN] AsyncRAT SSL certificate
2016
notepad.exe
Domain Observed Used for C2 Detected
ET MALWARE Generic AsyncRAT Style SSL Cert
2016
notepad.exe
Domain Observed Used for C2 Detected
ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
2016
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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Reports
NotePad.exe