| File name: | evil.ps1 |
| Full analysis: | https://app.any.run/tasks/19e35b98-b5c4-4175-b28f-3e0de49bbfc1 |
| Verdict: | Malicious activity |
| Analysis date: | December 02, 2023, 14:03:04 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | text/plain |
| File info: | ASCII text, with very long lines, with CRLF line terminators |
| MD5: | 31E6F948A06F69585B5728ECD2D72048 |
| SHA1: | 82F798117DFAA338B10BF02AAFEE56ABCE987C9B |
| SHA256: | 73254679F3BA8FC4A38A9FC8E99D7301519DDA68014335EBA8FC4ED5799E2ADA |
| SSDEEP: | 192:rxN1zCIhmTCR2yfWX2uA0uHTXLdjEnf++o5LLcj3XDzCK9fE4v:rxbzsm9Y2uAfHbLG+/cbDPs4v |
MALICIOUS
Starts Visual C# compiler
- powershell.exe (PID: 2144)
Drops the executable file immediately after the start
- csc.exe (PID: 1924)
SUSPICIOUS
Powershell version downgrade attack
- powershell.exe (PID: 2144)
Reads the Internet Settings
- powershell.exe (PID: 2144)
Uses .NET C# to load dll
- powershell.exe (PID: 2144)
INFO
Checks supported languages
- csc.exe (PID: 1924)
- cvtres.exe (PID: 2688)
- dw20.exe (PID: 2628)
Reads the machine GUID from the registry
- csc.exe (PID: 1924)
- cvtres.exe (PID: 2688)
Create files in a temporary directory
- csc.exe (PID: 1924)
- cvtres.exe (PID: 2688)
Reads the computer name
- dw20.exe (PID: 2628)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
40
Monitored processes
4
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1924 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\admin\AppData\Local\Temp\s-ttafpp.cmdline" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Visual C# Command Line Compiler Exit code: 0 Version: 8.0.50727.5483 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
| 2144 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "-file" "C:\Users\admin\AppData\Local\Temp\evil.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: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2628 | dw20.exe -x -s 1124 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft .NET Error Reporting Shim Exit code: 0 Version: 2.0.50727.5483 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
| 2688 | C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\admin\AppData\Local\Temp\RES6EBD.tmp" "c:\Users\admin\AppData\Local\Temp\CSC6EBC.tmp" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\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: 8.00.50727.5003 (Win7SP1GDR.050727-5400) Modules
| |||||||||||||||
Total events
1 954
Read events
1 890
Write events
64
Delete events
0
Modification events
| (PID) Process: | (2144) powershell.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\17F\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2144) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2144) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2144) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2144) powershell.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2628) dw20.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\Windows Error Reporting\Debug\UIHandles |
| Operation: | write | Name: | FirstLevelConsentDialog |
Value: 7603050000000000 | |||
| (PID) Process: | (2628) dw20.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporting\Debug\UIHandles |
| Operation: | write | Name: | FirstLevelConsentDialog |
Value: 7603050000000000 | |||
Executable files
1
Suspicious files
6
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2144 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\EHRERHKABU5Q9HDRPZM4.temp | binary | |
MD5:16F6D260068B85896C0EBB2E1B2A60D1 | SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984 | |||
| 2144 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:16F6D260068B85896C0EBB2E1B2A60D1 | SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984 | |||
| 2144 | powershell.exe | C:\Users\admin\AppData\Local\Temp\s-ttafpp.cmdline | text | |
MD5:5A9F45973A1687AF732836CB8503CC01 | SHA256:61D44BA7E46DC0EC5D1F32D0CD03838D2F63700F028948291A044639721F9A0F | |||
| 1924 | csc.exe | C:\Users\admin\AppData\Local\Temp\s-ttafpp.dll | executable | |
MD5:31FB0699531225F4CBA52CE46A2EB490 | SHA256:C229543EE65838977754F2AA098F0617B431B480CAEB0B4FB9D7E795025335F0 | |||
| 2144 | powershell.exe | C:\Users\admin\AppData\Local\Temp\s-ttafpp.0.cs | text | |
MD5:74676AC1FD7A2CAB6BBF4A5C76FAC0CA | SHA256:17A8B50A6B7467CFA3CF5A3D236884E94EC4CCE541123F1FBE0B70C0D7390AEB | |||
| 2144 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RF206bdd.TMP | binary | |
MD5:16F6D260068B85896C0EBB2E1B2A60D1 | SHA256:6E3B1EF1FB4736A9BF18FADF8E42935CC5053478B6F403A38EFBA8500E819984 | |||
| 1924 | csc.exe | C:\Users\admin\AppData\Local\Temp\s-ttafpp.pdb | binary | |
MD5:EE53B7CFAF32439A559EA6C4277736F9 | SHA256:B5D8F24102C7E7C098E66D68749DA1363BBFB6930447DA3AD0C75BC3FE8D3825 | |||
| 1924 | csc.exe | C:\Users\admin\AppData\Local\Temp\CSC6EBC.tmp | binary | |
MD5:8B9799AC7DF9E5E6A09B3C05803DF151 | SHA256:265D753B58D4D5270042A2B3B8072B890F11D32F1B3743190F20849A3CD93997 | |||
| 1924 | csc.exe | C:\Users\admin\AppData\Local\Temp\s-ttafpp.out | text | |
MD5:41C433ED4A40D4B7FDA615679ED28A10 | SHA256:F4A12A01A56FE4D9BF421F980A83F3AB86E9DB0749078A726582056744F4C9AF | |||
| 2688 | cvtres.exe | C:\Users\admin\AppData\Local\Temp\RES6EBD.tmp | binary | |
MD5:BEDA4FD2AB14E77F13CECD5DE9A339F1 | SHA256:4EEB11B0EF072F80457EEAE00813B23F7079807BEB1FE60052920D081D0B121B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
0
Threats
0
HTTP requests
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 |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2588 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
DNS requests
Threats
Process | Message |
|---|---|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR originated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\copyout.cpp, line 1302
|
csc.exe |
*** HR propagated: -2147024774
*** Source File: d:\iso_whid\x86fre\base\isolation\com\enumidentityattribute.cpp, line 144
|