| File name: | calc.zip |
| Full analysis: | https://app.any.run/tasks/a0a4deef-c9f9-4314-aee8-dd5fdb24c0cf |
| Verdict: | Malicious activity |
| Analysis date: | October 01, 2024, 19:56:15 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v5.1 to extract, compression method=AES Encrypted |
| MD5: | 6868B1BD5697AB72CC644DA0FDD6D106 |
| SHA1: | D7AA5C5399BD36E95C7021C8154031E1283C70B5 |
| SHA256: | 4C95F07E2269B31BBC3B577AC37A9F1E5890D475076EAC2402B4BD0D2B834B78 |
| SSDEEP: | 6144:CpH16wc+kg7u3VhNzPUYvgB0Y7wpb2ojTX1vtexGwcFWqv:K16wfX7KVYYvY0Y7wpb/X1vtzFYqv |
MALICIOUS
Starts NET.EXE to view/change users localgroup
- wscript.exe (PID: 5632)
- net.exe (PID: 2020)
Starts NET.EXE to view/add/change user profiles
- wscript.exe (PID: 5632)
- net.exe (PID: 3444)
SUSPICIOUS
No suspicious indicators.INFO
The process uses the downloaded file
- WinRAR.exe (PID: 6052)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 6052)
Manual execution by a user
- calc.exe (PID: 5664)
- notepad++.exe (PID: 6224)
UPX packer has been detected
- calc.exe (PID: 5144)
The process uses AutoIt
- calc.exe (PID: 5144)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 51 |
|---|---|
| ZipBitFlag: | 0x0001 |
| ZipCompression: | Unknown (99) |
| ZipModifyDate: | 2024:10:01 03:08:58 |
| ZipCRC: | 0x00000000 |
| ZipCompressedSize: | 200807 |
| ZipUncompressedSize: | 206377 |
| ZipFileName: | calc.exe |
Total processes
143
Monitored processes
11
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1652 | C:\WINDOWS\system32\net1 localgroup administrators LocalAdministrator /add | C:\Windows\SysWOW64\net1.exe | — | net.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Net Command Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2020 | "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: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2208 | \??\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
| |||||||||||||||
| 3444 | "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
| |||||||||||||||
| 5048 | 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: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5144 | "C:\Users\admin\Desktop\calc.exe" | C:\Users\admin\Desktop\calc.exe | wscript.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 3, 2, 4, 9 Modules
| |||||||||||||||
| 5612 | \??\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
| |||||||||||||||
| 5632 | "C:\Windows\System32\wscript.exe" 1G40yVpa7q.jse | C:\Windows\SysWOW64\wscript.exe | — | calc.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 5664 | "C:\Users\admin\Desktop\calc.exe" | C:\Users\admin\Desktop\calc.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Version: 3, 2, 4, 9 Modules
| |||||||||||||||
| 6052 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\AppData\Local\Temp\calc.zip | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Version: 5.91.0 Modules
| |||||||||||||||
Total events
3 415
Read events
3 389
Write events
13
Delete events
13
Modification events
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\calc.zip | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 15 |
Value: | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 14 |
Value: | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 13 |
Value: | |||
| (PID) Process: | (6052) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 12 |
Value: | |||
Executable files
1
Suspicious files
1
Text files
6
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6224 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\langs.xml | xml | |
MD5:FE22EC5755BC98988F9656F73B2E6FB8 | SHA256:F972C425CE176E960F6347F1CA2F64A8CE2B95A375C33A03E57538052BA0624D | |||
| 6224 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\plugins\config\converter.ini | text | |
MD5:F70F579156C93B097E656CABA577A5C9 | SHA256:B926498A19CA95DC28964B7336E5847107DD3C0F52C85195C135D9DD6CA402D4 | |||
| 6224 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\stylers.xml | xml | |
MD5:312281C4126FA897EF21A7E8CCB8D495 | SHA256:53B4BE3ED1CFD712E53542B30CFE30C5DB35CC48BE7C57727DFEC26C9E882E90 | |||
| 6224 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\shortcuts.xml | text | |
MD5:F11D96162BC521F5CF49FFE6B6841C9B | SHA256:BE9AEAEAB5A2E4899BA7E582274BA592C1B9BAF688B340A754B8EF32B23CFA9C | |||
| 6052 | WinRAR.exe | C:\Users\admin\Desktop\calc.exe | executable | |
MD5:2F9FDAD776D8626F2CE8625211831E91 | SHA256:9B66A8EA0F1C64965B06E7A45AFBE56F2D4E6D5EF65F32446DEFCCBEBE730813 | |||
| 5664 | calc.exe | C:\Users\admin\Desktop\1G40yVpa7q.jse | vbe | |
MD5:B4EB7F28555DDA63F591A950F2DB89D1 | SHA256:00C9F54DC4DEEC12DB8BA086EC347D03F978E46222D9C5EC5C6240F7AC171C5C | |||
| 6224 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\config.xml | xml | |
MD5:FFEA963F79EDA0FFEA45366E1D3941AE | SHA256:0357CA4C44FBAD799730AAE2EA914C8F3EFE0B9BE428056C9D0ADD6C4A43CFBF | |||
| 6224 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\session.xml | text | |
MD5:B91CBF36093CAF69D99B276CC53EFE92 | SHA256:482585B31704B745A2E2503285DA8AFBB9C92F8F7BDDA0C2A9303EEFD4DD0794 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
46
DNS requests
17
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4516 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6900 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6900 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
4712 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
2952 | svchost.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | 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 |
|---|---|---|---|---|---|---|
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2952 | svchost.exe | 23.52.120.96:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4324 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2952 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2952 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4516 | svchost.exe | 20.190.159.64:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4516 | 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 |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
Threats
Process | Message |
|---|---|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\SciLexer.dll
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | ED255D9151912E40DF048A56288E969A8D0DAFA3
|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\updater\gup.exe
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | VerifyLibrary: error while getting certificate informations
|