URL:

https://github.com/abbodi1406/dotNetXP/releases/download/22.06.20/dotNetFx_AIO_x86_20220620.zip

Full analysis: https://app.any.run/tasks/9ec23957-0838-46ac-a1b1-d1f7a76581d7
Verdict: Malicious activity
Analysis date: November 18, 2023, 17:42:19
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
SHA1:

33495C77DD2519EBE7E2949CD6C7232957358A0A

SHA256:

931E4FB8A5956B7C45219BB1230F916437B0D9807B004599C7A1D1A8CA92B3C7

SSDEEP:

3:N8tEd0nHIVGBKRrA2AOrkCXh9rGDZYVn:2uionSnOr4iVn

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

      • dotNetFx_AIO_x86.exe (PID: 3892)

  • SUSPICIOUS

    • Process drops legitimate windows executable

      • dotNetFx_AIO_x86.exe (PID: 3892)

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

      • dotNetFx_AIO_x86.exe (PID: 3892)

    • The process drops C-runtime libraries

      • dotNetFx_AIO_x86.exe (PID: 3892)

  • INFO

    • Manual execution by a user

      • wmpnscfg.exe (PID: 3844)

    • Application launched itself

      • iexplore.exe (PID: 3196)

    • Checks supported languages

      • wmpnscfg.exe (PID: 3844)
      • dotNetFx_AIO_x86.exe (PID: 3892)

    • Reads the computer name

      • wmpnscfg.exe (PID: 3844)

    • Reads the machine GUID from the registry

      • wmpnscfg.exe (PID: 3844)

    • The process uses the downloaded file

      • WinRAR.exe (PID: 3912)
      • iexplore.exe (PID: 3196)

    • Create files in a temporary directory

      • dotNetFx_AIO_x86.exe (PID: 3892)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
43
Monitored processes
6
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe wmpnscfg.exe no specs winrar.exe no specs dotnetfx_aio_x86.exe no specs dotnetfx_aio_x86.exe

Process information

PID
CMD
Path
Indicators
Parent process
2896"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:3196 CREDAT:267521 /prefetch:2C:\Program Files\Internet Explorer\iexplore.exe
iexplore.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Internet Explorer
Exit code:
0
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3196"C:\Program Files\Internet Explorer\iexplore.exe" "https://github.com/abbodi1406/dotNetXP/releases/download/22.06.20/dotNetFx_AIO_x86_20220620.zip"C:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Internet Explorer
Exit code:
1
Version:
11.00.9600.16428 (winblue_gdr.131013-1700)
Modules
Images
c:\program files\internet explorer\iexplore.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\api-ms-win-downlevel-advapi32-l1-1-0.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\system32\iertutil.dll
3844"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
c:\windows\system32\sspicli.dll
c:\windows\system32\ole32.dll
3892"C:\Users\admin\AppData\Local\Temp\Rar$EXa3912.36819\dotNetFx_AIO_x86.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3912.36819\dotNetFx_AIO_x86.exe
WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 4.0 Setup
Exit code:
0
Version:
4.0.30320.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3912.36819\dotnetfx_aio_x86.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.7601.24483_none_2b200f664577e14b\comctl32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\user32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
3912"C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\dotNetFx_AIO_x86_20220620.zip"C:\Program Files\WinRAR\WinRAR.exe—iexplore.exe
User:
admin
Company:
Alexander Roshal
Integrity Level:
MEDIUM
Description:
WinRAR archiver
Exit code:
0
Version:
5.91.0
Modules
Images
c:\program files\winrar\winrar.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\user32.dll
c:\windows\system32\gdi32.dll
c:\windows\system32\lpk.dll
c:\windows\system32\usp10.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\comdlg32.dll
3984"C:\Users\admin\AppData\Local\Temp\Rar$EXa3912.36819\dotNetFx_AIO_x86.exe" C:\Users\admin\AppData\Local\Temp\Rar$EXa3912.36819\dotNetFx_AIO_x86.exe—WinRAR.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 4.0 Setup
Exit code:
3221226540
Version:
4.0.30320.0
Modules
Images
c:\users\admin\appdata\local\temp\rar$exa3912.36819\dotnetfx_aio_x86.exe
c:\windows\system32\ntdll.dll
Total events
18 968
Read events
18 881
Write events
83
Delete events
4

Modification events

(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
0
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
30847387
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
30847437
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3196) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
Executable files
380
Suspicious files
22
Text files
306
Unknown types
0

Dropped files

PID
Process
Filename
Type
2896iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\dotNetFx_AIO_x86_20220620.zip.bomsftj.partial —
MD5:—
SHA256:—
3196iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\dotNetFx_AIO_x86_20220620.zip —
MD5:—
SHA256:—
3912WinRAR.exeC:\Users\admin\AppData\Local\Temp\Rar$EXa3912.36819\dotNetFx_AIO_x86.exe —
MD5:—
SHA256:—
3892dotNetFx_AIO_x86.exeC:\Users\admin\AppData\Local\Temp\7ZipSfx.000\DNF11\netfx.msi —
MD5:—
SHA256:—
2896iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157compressed
MD5:1BFE591A4FE3D91B03CDF26EAACD8F89
SHA256:9CF94355051BF0F4A45724CA20D1CC02F76371B963AB7D1E38BD8997737B13D8
3196iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verE757.tmpxml
MD5:CBD0581678FA40F0EDCBC7C59E0CAD10
SHA256:159BD4343F344A08F6AF3B716B6FA679859C1BD1D7030D26FF5EF0255B86E1D9
2896iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:96ABFAD53E91249F5AB3C43ACA7E678D
SHA256:1CE3A8B2D0467B4C8DBBABA58C0F4A961B90D979A7DD8637110517ED247661C3
2896iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04binary
MD5:574181BA9BD81C92B22104851F824B77
SHA256:E80B9F20237109A0D61D426BD306768E23D3A18C45EADE435BA23AFE92404662
2896iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B398B80134F72209547439DB21AB308D_A4CF52CCA82D7458083F7280801A3A04binary
MD5:041B81AF7828E922F01011FC21499C34
SHA256:93293DBC5D9AF8CE47266C856B17E5C6BEBC7782A16872D61BCC734A13645C2A
3196iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776binary
MD5:C21F31B4953EA9676FD18817117D6600
SHA256:B359BAAE19D5568491A098D6C266F750C6DC527E0955CD9A230BF0621C70846D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
15
DNS requests
7
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2896
iexplore.exe
GET
200
184.24.77.194:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?b4811d0122f48a02
unknown
compressed
4.66 Kb
unknown
2896
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAfy81yHqHeveu%2FpR5k1Jb0%3D
unknown
binary
471 b
unknown
2896
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQrHR6YzPN2BNbByL0VoiTIBBMAOAQUCrwIKReMpTlteg7OM8cus%2B37w3oCEAzQqL7GMs%2FmReygqbCE%2Bxw%3D
unknown
binary
312 b
unknown
2896
iexplore.exe
GET
200
184.24.77.194:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?e50ae344da5aee8a
unknown
compressed
4.66 Kb
unknown
3196
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
binary
471 b
unknown
2896
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAbY2QTVWENG9oovp1QifsQ%3D
unknown
binary
471 b
unknown
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
2896
iexplore.exe
140.82.121.4:443
github.com
GITHUB
US
unknown
4
System
192.168.100.255:137
—
—
—
whitelisted
2588
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2896
iexplore.exe
184.24.77.194:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
unknown
2896
iexplore.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
2896
iexplore.exe
185.199.109.133:443
objects.githubusercontent.com
FASTLY
US
unknown
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
3196
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
EDGECAST
US
whitelisted
3196
iexplore.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
github.com
  • 140.82.121.4
shared
ctldl.windowsupdate.com
  • 184.24.77.194
  • 184.24.77.202
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
objects.githubusercontent.com
  • 185.199.109.133
  • 185.199.111.133
  • 185.199.108.133
  • 185.199.110.133
shared
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
https://github.com/abbodi1406/dotNetXP/releases/download/22.06.20/dotNetFx_AIO_x86_20220620.zip