File name:

TSS.ps1

Full analysis: https://app.any.run/tasks/c73c89a4-6ac9-468d-ac64-afa77e43f9b8
Verdict: Malicious activity
Analysis date: March 08, 2024, 16:27:48
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Indicators:
MIME: text/plain
File info: ASCII text, with CRLF line terminators
MD5:

7603379E30CD94638FA022A75401F3F6

SHA1:

2B336C74E563684CA1BC2B24BA2B65FCCB9B8042

SHA256:

9870C8FC21B8DC3544B42F4D0D8D9C0927218718F2087D760F66F94C1B0E5EB5

SSDEEP:

12288:Lp2RDPnZx9hYAilwgSus34BBP0XW1oIW6y:279hYAilwgSu1BP0XmoI7y

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

    • Starts Visual C# compiler

      • powershell.exe (PID: 1900)

    • Drops the executable file immediately after the start

      • csc.exe (PID: 1556)
      • csc.exe (PID: 3544)
      • csc.exe (PID: 1848)

  • SUSPICIOUS

    • Reads the Internet Settings

      • powershell.exe (PID: 1900)

    • Uses .NET C# to load dll

      • powershell.exe (PID: 1900)

    • Executable content was dropped or overwritten

      • csc.exe (PID: 3544)
      • csc.exe (PID: 1848)
      • csc.exe (PID: 1556)

  • INFO

    • Manual execution by a user

      • explorer.exe (PID: 1348)
      • powershell.exe (PID: 1900)

    • Checks supported languages

      • cvtres.exe (PID: 680)
      • csc.exe (PID: 1556)
      • cvtres.exe (PID: 568)
      • csc.exe (PID: 1848)
      • cvtres.exe (PID: 2112)
      • csc.exe (PID: 3544)

    • Application launched itself

      • iexplore.exe (PID: 2160)
      • iexplore.exe (PID: 3664)

    • Reads the machine GUID from the registry

      • cvtres.exe (PID: 680)
      • csc.exe (PID: 1556)
      • csc.exe (PID: 3544)
      • csc.exe (PID: 1848)
      • cvtres.exe (PID: 2112)
      • cvtres.exe (PID: 568)

    • Create files in a temporary directory

      • cvtres.exe (PID: 680)
      • csc.exe (PID: 1556)
      • cvtres.exe (PID: 568)
      • csc.exe (PID: 1848)
      • cvtres.exe (PID: 2112)
      • csc.exe (PID: 3544)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.html | HyperText Markup Language (100)
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
51
Monitored processes
11
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start iexplore.exe iexplore.exe iexplore.exe no specs explorer.exe no specs powershell.exe no specs csc.exe cvtres.exe no specs csc.exe cvtres.exe no specs csc.exe cvtres.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
568C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESE27B.tmp" "c:\Users\admin\AppData\Local\Temp\CSC843FCA5ED824730B178A7233FAA7857.TMP"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.10.25028.0 built by: VCTOOLSD15RTM
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\cvtres.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\vcruntime140_clr0400.dll
c:\windows\system32\ucrtbase_clr0400.dll
680C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESE1C0.tmp" "c:\Users\admin\AppData\Local\Temp\CSC7EA43C7655AE4116B959AF52E5C73E1C.TMP"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.10.25028.0 built by: VCTOOLSD15RTM
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\cvtres.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\vcruntime140_clr0400.dll
c:\windows\system32\ucrtbase_clr0400.dll
1348"C:\Windows\explorer.exe" C:\Windows\explorer.exe—explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Explorer
Exit code:
1
Version:
6.1.7600.16385 (win7_rtm.090713-1255)
Modules
Images
c:\windows\explorer.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
1556"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\pheifuyh.cmdline"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
4.8.3761.0 built by: NET48REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\csc.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\vcruntime140_clr0400.dll
c:\windows\system32\ucrtbase_clr0400.dll
1848"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\400t00t1.cmdline"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
4.8.3761.0 built by: NET48REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\csc.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\vcruntime140_clr0400.dll
c:\windows\system32\ucrtbase_clr0400.dll
1900"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "C:\Users\admin\AppData\Local\Temp\TSS.ps1"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe—explorer.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
2112C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RESE327.tmp" "c:\Users\admin\AppData\Local\Temp\CSC940CA76258AF414686CFAA5350643D6D.TMP"C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe—csc.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Microsoft® Resource File To COFF Object Conversion Utility
Exit code:
0
Version:
14.10.25028.0 built by: VCTOOLSD15RTM
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\cvtres.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\vcruntime140_clr0400.dll
c:\windows\system32\ucrtbase_clr0400.dll
2160"C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\admin\AppData\Local\Temp\TSS.ps1.html"C:\Program Files\Internet Explorer\iexplore.exe
explorer.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
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
3304"C:\Program Files\Internet Explorer\iexplore.exe" SCODEF:2160 CREDAT:333057 /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
3544"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\gqqnidvz.cmdline"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
powershell.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Visual C# Command Line Compiler
Exit code:
0
Version:
4.8.3761.0 built by: NET48REL1
Modules
Images
c:\windows\microsoft.net\framework\v4.0.30319\csc.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\vcruntime140_clr0400.dll
c:\windows\system32\ucrtbase_clr0400.dll
Total events
21 316
Read events
21 070
Write events
201
Delete events
45

Modification events

(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPDaysSinceLastAutoMigration
Value:
1
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchLowDateTime
Value:
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\TabbedBrowsing
Operation:writeName:NTPLastLaunchHighDateTime
Value:
31093109
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateLowDateTime
Value:
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\UrlBlockManager
Operation:writeName:NextCheckForUpdateHighDateTime
Value:
31093109
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content
Operation:writeName:CachePrefix
Value:
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies
Operation:writeName:CachePrefix
Value:
Cookie:
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History
Operation:writeName:CachePrefix
Value:
Visited:
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main
Operation:writeName:CompatibilityFlags
Value:
0
(PID) Process:(2160) iexplore.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
Executable files
3
Suspicious files
10
Text files
14
Unknown types
7

Dropped files

PID
Process
Filename
Type
2160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157binary
MD5:3C249C7250D77396E12C8C9E77FE238B
SHA256:6093C6A8A85B744AE8DDBF9DA5A2AFC5079E9826B17AC644D6DDECE91750008A
2160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118Abinary
MD5:B7D8D8D62087A0EE7D88187E236BEBDA
SHA256:5EE05498CEA6D1B73D5BF71889E81025F451BA9B8D08E067201EDEAF19F1933A
2160iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\B6QGX7LP\favicon[1].icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
2160iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\favicon[1].icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
2160iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\PO2HN1X2\urlblockindex[1].binbinary
MD5:FA518E3DFAE8CA3A0E495460FD60C791
SHA256:775853600060162C4B4E5F883F9FD5A278E61C471B3EE1826396B6D129499AA7
2160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776binary
MD5:307E0EDB1D96E932A8F57D8247C27A74
SHA256:F0026448FD184B8046278536347EB1A24A0F095E4C07EBD768F877D4631A0846
2160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EAF8AA29A62AB29E614331747385D816_F9E4DC0B9D5C777357D7DB8DEF51118Ader
MD5:D5D4D40BFB272FC118F55E4F4BB20EF8
SHA256:0E1BD9CC57E221AC3E6AA65485FEBBA3BE31BD9C01FFC84E978374AB4BCECC50
2160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\Internet Explorer\Services\search_{0633EE93-D776-472f-A0FF-E1416B8B2E3A}.icoimage
MD5:DA597791BE3B6E732F0BC8B20E38EE62
SHA256:5B2C34B3C4E8DD898B664DBA6C3786E2FF9869EFF55D673AA48361F11325ED07
2160iexplore.exeC:\Users\admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\versionlist.xmlxml
MD5:CBD0581678FA40F0EDCBC7C59E0CAD10
SHA256:159BD4343F344A08F6AF3B716B6FA679859C1BD1D7030D26FF5EF0255B86E1D9
2160iexplore.exeC:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776der
MD5:0AB9F4DF57196ECE05D5437FC22BCC1C
SHA256:426CA7543DE3B19305774D1E01EDD61CBEEFF195979A7526ABEB65BE91340C7C
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
14
DNS requests
12
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2160
iexplore.exe
GET
304
23.32.238.144:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?4dd617501e33218a
unknown
—
—
unknown
2160
iexplore.exe
GET
304
23.32.238.144:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?70b4a85d87201c80
unknown
—
—
unknown
2160
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAzlnDD9eoNTLi0BRrMy%2BWU%3D
unknown
binary
314 b
unknown
1080
svchost.exe
GET
304
23.32.238.113:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?1dd404ff67a3d8ee
unknown
compressed
67.5 Kb
unknown
2160
iexplore.exe
GET
200
192.229.221.95:80
http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D
unknown
binary
471 b
unknown
1080
svchost.exe
GET
200
23.32.238.113:80
http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?624d1ab720bef5f8
unknown
compressed
67.5 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
192.168.100.255:138
—
—
—
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
—
—
224.0.0.252:5355
—
—
—
unknown
1080
svchost.exe
224.0.0.252:5355
—
—
—
unknown
2160
iexplore.exe
2.20.142.3:443
www.bing.com
Akamai International B.V.
DE
unknown
2160
iexplore.exe
23.32.238.144:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
unknown
2160
iexplore.exe
192.229.221.95:80
ocsp.digicert.com
EDGECAST
US
whitelisted
2160
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
EDGECAST
US
whitelisted
1080
svchost.exe
23.32.238.113:80
ctldl.windowsupdate.com
Akamai International B.V.
DE
unknown
3664
iexplore.exe
152.199.19.161:443
iecvlist.microsoft.com
EDGECAST
US
whitelisted

DNS requests

Domain
IP
Reputation
api.bing.com
  • 13.107.5.80
whitelisted
www.bing.com
  • 2.20.142.3
  • 2.20.142.187
  • 2.20.142.180
  • 92.122.215.60
  • 2.20.142.155
  • 92.122.215.95
  • 2.20.142.4
  • 92.122.215.53
  • 92.122.215.65
whitelisted
ctldl.windowsupdate.com
  • 23.32.238.144
  • 23.32.238.121
  • 23.32.238.113
  • 2.19.198.65
  • 2.19.198.51
  • 2.19.198.64
  • 2.19.198.57
  • 23.32.238.152
whitelisted
ocsp.digicert.com
  • 192.229.221.95
whitelisted
iecvlist.microsoft.com
  • 152.199.19.161
whitelisted
r20swj13mr.microsoft.com
  • 152.199.19.161
whitelisted

Threats

No threats detected
No debug info
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Reports
TSS.ps1