| File name: | calc.exe |
| Full analysis: | https://app.any.run/tasks/8ef9dbdb-79e8-4bb9-930f-95d94742b16e |
| Verdict: | Malicious activity |
| Analysis date: | October 01, 2024, 19:55:33 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed |
| MD5: | 2F9FDAD776D8626F2CE8625211831E91 |
| SHA1: | 21D8413EB0D60B36FC249F8025C277B557FEFDE3 |
| SHA256: | 9B66A8EA0F1C64965B06E7A45AFBE56F2D4E6D5EF65F32446DEFCCBEBE730813 |
| SSDEEP: | 6144:BtzlwDwYgI9XLRlp7QsMd4yxrSGbs3/d0kJHQZgVu6IesIns6fN:lwcLqXLxkh4yxy/d0EHQuVu6IeLscN |
MALICIOUS
Starts NET.EXE to view/add/change user profiles
- wscript.exe (PID: 5988)
- net.exe (PID: 2476)
- wscript.exe (PID: 5056)
- net.exe (PID: 488)
- wscript.exe (PID: 6100)
- net.exe (PID: 5032)
- net.exe (PID: 2368)
- powershell.exe (PID: 3848)
Starts NET.EXE to view/change users localgroup
- wscript.exe (PID: 5056)
- net.exe (PID: 6224)
- net.exe (PID: 2576)
- wscript.exe (PID: 6100)
- net.exe (PID: 6328)
- wscript.exe (PID: 5988)
SUSPICIOUS
No suspicious indicators.INFO
Checks supported languages
- calc.exe (PID: 1420)
Reads the computer name
- calc.exe (PID: 1420)
Manual execution by a user
- calc.exe (PID: 5588)
- powershell.exe (PID: 3848)
- mmc.exe (PID: 3896)
- mmc.exe (PID: 6252)
UPX packer has been detected
- calc.exe (PID: 6728)
The process uses AutoIt
- calc.exe (PID: 6728)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (39.3) |
|---|---|---|
| .exe | | | Win32 EXE Yoda's Crypter (38.6) |
| .dll | | | Win32 Dynamic Link Library (generic) (9.5) |
| .exe | | | Win32 Executable (generic) (6.5) |
| .exe | | | Generic Win/DOS Executable (2.9) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2007:05:25 14:27:07+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 7.1 |
| CodeSize: | 200704 |
| InitializedDataSize: | 8192 |
| UninitializedDataSize: | 356352 |
| EntryPoint: | 0x88080 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 3.2.4.9 |
| ProductVersionNumber: | 3.2.4.9 |
| FileFlagsMask: | 0x0017 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Unknown |
| FileSubtype: | - |
| LanguageCode: | English (British) |
| CharacterSet: | Unicode |
| FileDescription: | - |
| FileVersion: | 3, 2, 4, 9 |
| CompiledScript: | AutoIt v3 Script : 3, 2, 4, 9 |
Total processes
171
Monitored processes
34
Malicious processes
7
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 68 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 488 | "C:\Windows\System32\net.exe" user LocalAdministrator /add | C:\Windows\SysWOW64\net.exe | — | wscript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Net Command Exit code: 2 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1420 | "C:\Users\admin\AppData\Local\Temp\calc.exe" | C:\Users\admin\AppData\Local\Temp\calc.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 3, 2, 4, 9 Modules
| |||||||||||||||
| 2368 | "C:\WINDOWS\system32\net.exe" user | C:\Windows\System32\net.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Net Command Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2368 | C:\WINDOWS\explorer.exe /factory,{5BD95610-9434-43C2-886C-57852CC8A120} -Embedding | C:\Windows\explorer.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Version: 10.0.19041.3758 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2476 | "C:\Windows\System32\net.exe" user LocalAdministrator /add | C:\Windows\SysWOW64\net.exe | — | wscript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Net Command Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2576 | "C:\Windows\System32\net.exe" localgroup administrators LocalAdministrator /add | C:\Windows\SysWOW64\net.exe | — | wscript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Net Command Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2708 | "C:\Users\admin\AppData\Local\Temp\calc.exe" | C:\Users\admin\AppData\Local\Temp\calc.exe | — | wscript.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 3, 2, 4, 9 Modules
| |||||||||||||||
| 2876 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3300 | C:\WINDOWS\system32\net1 user LocalAdministrator /add | C:\Windows\SysWOW64\net1.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Net Command Exit code: 2 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
12 616
Read events
12 598
Write events
18
Delete events
0
Modification events
| (PID) Process: | (5588) calc.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Script\Settings |
| Operation: | write | Name: | JITDebug |
Value: 0 | |||
| (PID) Process: | (5588) calc.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Script\Settings\Telemetry\calc.exe |
| Operation: | write | Name: | JScriptSetScriptStateStarted |
Value: E4F83F0000000000 | |||
| (PID) Process: | (5056) wscript.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Script\Settings\Telemetry\wscript.exe |
| Operation: | write | Name: | JScriptSetScriptStateStarted |
Value: 36FB3F0000000000 | |||
| (PID) Process: | (2368) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | NodeSlots |
Value: 02020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202020202 | |||
| (PID) Process: | (2368) explorer.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\Shell\BagMRU |
| Operation: | write | Name: | MRUListEx |
Value: 000000000E0000000400000003000000100000000F0000000C0000000D0000000B000000050000000A000000090000000800000001000000070000000600000002000000FFFFFFFF | |||
| (PID) Process: | (2368) explorer.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer\Toolbar |
| Operation: | write | Name: | Locked |
Value: 1 | |||
| (PID) Process: | (6252) mmc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\SnapIns\FX:{b05566ad-fe9c-4363-be05-7a4cbb7cb510} |
| Operation: | write | Name: | HelpTopic |
Value: C:\WINDOWS\Help\eventviewer.chm | |||
| (PID) Process: | (6252) mmc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\SnapIns\FX:{b05566ad-fe9c-4363-be05-7a4cbb7cb510} |
| Operation: | write | Name: | LinkedHelpTopics |
Value: C:\WINDOWS\Help\eventviewer.chm | |||
| (PID) Process: | (6252) mmc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\SnapIns\FX:{b05566ae-fe9c-4363-be05-7a4cbb7cb510} |
| Operation: | write | Name: | HelpTopic |
Value: C:\WINDOWS\Help\eventviewer.chm | |||
| (PID) Process: | (6252) mmc.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MMC\SnapIns\FX:{b05566ae-fe9c-4363-be05-7a4cbb7cb510} |
| Operation: | write | Name: | LinkedHelpTopics |
Value: C:\WINDOWS\Help\eventviewer.chm | |||
Executable files
0
Suspicious files
6
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3848 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MHG1L3NBM4X777GT21QG.temp | binary | |
MD5:8604A585461E53B630CAC54FCC4C61A7 | SHA256:5800E4294B5CA7C045EE6B29C0B67DFA3FF9CE3A4C30DE0D86F561A990022ADE | |||
| 3848 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms | binary | |
MD5:8604A585461E53B630CAC54FCC4C61A7 | SHA256:5800E4294B5CA7C045EE6B29C0B67DFA3FF9CE3A4C30DE0D86F561A990022ADE | |||
| 3848 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms~RF4062c9.TMP | binary | |
MD5:D040F64E9E7A2BB91ABCA5613424598E | SHA256:D04E0A6940609BD6F3B561B0F6027F5CA4E8C5CF0FB0D0874B380A0374A8D670 | |||
| 3848 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_vrwejn5p.5is.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 3848 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_manoxosj.drw.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 2708 | calc.exe | C:\Users\admin\AppData\Local\Temp\A5OMtfWkG3.jse | vbe | |
MD5:B4EB7F28555DDA63F591A950F2DB89D1 | SHA256:00C9F54DC4DEEC12DB8BA086EC347D03F978E46222D9C5EC5C6240F7AC171C5C | |||
| 6200 | calc.exe | C:\Users\admin\AppData\Local\Temp\NCtrXclKdM.jse | vbe | |
MD5:B4EB7F28555DDA63F591A950F2DB89D1 | SHA256:00C9F54DC4DEEC12DB8BA086EC347D03F978E46222D9C5EC5C6240F7AC171C5C | |||
| 5588 | calc.exe | C:\Users\admin\AppData\Local\Temp\IG14nG6N1a.jse | binary | |
MD5:B4EB7F28555DDA63F591A950F2DB89D1 | SHA256:00C9F54DC4DEEC12DB8BA086EC347D03F978E46222D9C5EC5C6240F7AC171C5C | |||
| 3848 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadline\ConsoleHost_history.txt | text | |
MD5:368B0876E56D9684BF92965BCB6E8523 | SHA256:2FAD8981E7226ACDB9FB700EB94E3BA2E3C6A59CFF13E01BC55026B5E1DE17D8 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
69
DNS requests
30
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6032 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
2120 | MoUsoCoreWorker.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4596 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEA77flR%2B3w%2FxBpruV2lte6A%3D | unknown | — | — | whitelisted |
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
6460 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
4596 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%3D | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
7116 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2120 | MoUsoCoreWorker.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4324 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
7116 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6032 | svchost.exe | 40.126.32.72:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6032 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
fd.api.iris.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
5336 | SearchApp.exe | Not Suspicious Traffic | INFO [ANY.RUN] Azure Front Door domain observed in TLS SNI ( .azurefd .net) |
Process | Message |
|---|---|
mmc.exe | ViewerConfigPath = 'C:\ProgramData\Microsoft\Event Viewer': Microsoft.Windows.ManagementUI.CombinedControls.EventsNode
|
mmc.exe | ViewerViewsFolderPath = 'C:\ProgramData\Microsoft\Event Viewer\Views': Microsoft.Windows.ManagementUI.CombinedControls.EventsNode
|
mmc.exe | ViewerAdminViewsPath = 'C:\ProgramData\Microsoft\Event Viewer\Views\ApplicationViewsRootNode': Microsoft.Windows.ManagementUI.CombinedControls.EventsNode
|
mmc.exe | ViewerExternalLogsPath = 'C:\ProgramData\Microsoft\Event Viewer\ExternalLogs': Microsoft.Windows.ManagementUI.CombinedControls.EventsNode
|
mmc.exe | AddIcons: Microsoft.TaskScheduler.SnapIn.TaskSchedulerExtension
|