| File name: | Win32.Cutwail.zip |
| Full analysis: | https://app.any.run/tasks/9984db0a-9d17-46e0-9cf9-4b1c5c5167da |
| Verdict: | Malicious activity |
| Analysis date: | June 26, 2025, 01:32:27 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v1.0 to extract, compression method=store |
| MD5: | DB2CC70364A13C3E10789A53043371F3 |
| SHA1: | 7D5C1ECBE541F916C3B1F657ED300C08A0977D93 |
| SHA256: | 64C68894407EC425BA179815D44B567B02A72056D8E79D9223062E0A60EA3B3A |
| SSDEEP: | 6144:iWe10lFBWkGii0ojU56rYBpX69YaVjnjfzGeBYaT:iWK0lzVoE6rYBFQZbT |
| .zip | | | ZIP compressed archive (100) |
|---|
| ZipRequiredVersion: | 10 |
|---|---|
| ZipBitFlag: | - |
| ZipCompression: | None |
| ZipModifyDate: | 2015:04:14 22:49:06 |
| ZipCRC: | 0x00000000 |
| ZipCompressedSize: | - |
| ZipUncompressedSize: | - |
| ZipFileName: | 1/ |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 424 | "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "C:\Users\admin\AppData\Local\Temp\Rar$DIb5808.41564\unpacked_.safe" | C:\Program Files\Mozilla Firefox\firefox.exe | — | OpenWith.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 136.0 Modules
| |||||||||||||||
| 768 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250227124745 -prefsHandle 3388 -prefsLen 36996 -prefMapHandle 3392 -prefMapSize 272997 -ipcHandle 3336 -initialChannelId {37fb0fc4-81bd-4203-bf61-0141f4a6b351} -parentPid 2320 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2320" -appDir "C:\Program Files\Mozilla Firefox\browser" - 4 rdd | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 136.0 Modules
| |||||||||||||||
| 984 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4872 -prefsLen 39068 -prefMapHandle 4904 -prefMapSize 272997 -jsInitHandle 4908 -jsInitLen 247456 -parentBuildID 20250227124745 -ipcHandle 4916 -initialChannelId {06800f07-8238-4141-898c-14a7a6bb5853} -parentPid 2320 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2320" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 7 tab | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 136.0 Modules
| |||||||||||||||
| 1580 | "C:\Users\admin\AppData\Local\Temp\Rar$EXb5808.658\2\counter.exe" | C:\Users\admin\AppData\Local\Temp\Rar$EXb5808.658\2\counter.exe | — | WinRAR.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2144 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -parentBuildID 20250227124745 -sandboxingKind 0 -prefsHandle 4876 -prefsLen 44905 -prefMapHandle 4880 -prefMapSize 272997 -ipcHandle 4760 -initialChannelId {9f9f75b1-37f7-429d-9838-02c6c1758715} -parentPid 2320 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2320" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 6 utility | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 136.0 Modules
| |||||||||||||||
| 2200 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2280 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc -isForBrowser -prefsHandle 4064 -prefsLen 44926 -prefMapHandle 4068 -prefMapSize 272997 -jsInitHandle 4072 -jsInitLen 247456 -parentBuildID 20250227124745 -ipcHandle 4012 -initialChannelId {4b03ca4d-29ae-47b0-80d1-6603ca28275e} -parentPid 2320 -crashReporter "\\.\pipe\gecko-crash-server-pipe.2320" -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - 5 tab | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 136.0 Modules
| |||||||||||||||
| 2320 | "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url C:\Users\admin\AppData\Local\Temp\Rar$DIb5808.41564\unpacked_.safe | C:\Program Files\Mozilla Firefox\firefox.exe | firefox.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 136.0 Modules
| |||||||||||||||
| 2388 | C:\WINDOWS\system32\cmd.exe /c del c:\users\admin\appdata\local\temp\RAR$EX~1.376\2\counter.exe | C:\Windows\SysWOW64\cmd.exe | — | counter.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2992 | c:\users\admin\wuaucldt.exe | C:\Users\admin\wuaucldt.exe | counter.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\Win32.Cutwail.zip | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (5808) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 1 | |||
| (PID) Process: | (2992) wuaucldt.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | wuaucldt |
Value: c:\windows\system32\wuaucldt.exe | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2320 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite-shm | binary | |
MD5:B7C14EC6110FA820CA6B65F5AEC85911 | SHA256:FD4C9FDA9CD3F9AE7C962B0DDF37232294D55580E1AA165AA06129B8549389EB | |||
| 5808 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXb5808.37623\1\loader_00400000.Embedded01.DLL | executable | |
MD5:9A6598AC4E9E50F2E19E2DFB865CA2D9 | SHA256:B10EEEA84D9BF0314DCD86BFB6F931330D6CB52E6FB0BF4D1B8FE09DA3C332BA | |||
| 5808 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXb5808.37623\4\decrypted.ex_ | executable | |
MD5:F593D4EABA8DC72A22309A69475E9729 | SHA256:15F55C1FCB62950727289654E5D82AF0DA2DEAAE43DB8CA08B64E4086B503F4F | |||
| 5808 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXb5808.37623\4\hui.ex1 | executable | |
MD5:AF4B04164D37352490FF297A719B575E | SHA256:98EA2381E5E1183B578D09A7A698BFE18B5FBAE56F5CA434B1DADAC1CE3BD632 | |||
| 2320 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\sessionCheckpoints.json.tmp | binary | |
MD5:EA8B62857DFDBD3D0BE7D7E4A954EC9A | SHA256:792955295AE9C382986222C6731C5870BD0E921E7F7E34CC4615F5CD67F225DA | |||
| 5808 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$EXb5808.37623\3\unpacked_.safe | executable | |
MD5:D5D09F257F4752E885140DE25594D53B | SHA256:8450D4FB93D45757950C2A65245C877B0116C6F696B0FBFD93814326EDBE914E | |||
| 2320 | firefox.exe | C:\Users\admin\AppData\Roaming\Mozilla\Firefox\Profiles\9kie7cg6.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite | — | |
MD5:— | SHA256:— | |||
| 5808 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb5808.41564\unpacked_.safe | executable | |
MD5:D5D09F257F4752E885140DE25594D53B | SHA256:8450D4FB93D45757950C2A65245C877B0116C6F696B0FBFD93814326EDBE914E | |||
| 2320 | firefox.exe | C:\Users\admin\AppData\Local\Mozilla\Firefox\Profiles\9kie7cg6.default-release\startupCache\urlCache-current.bin | binary | |
MD5:3134ED3F12E4F4F8643DB90043B0FD7B | SHA256:26E4F122034D7A03F6DA0E707799B09CBEEBDAF8D7A3133A1F7BD894AC72EEA1 | |||
| 4868 | counter.exe | C:\Users\admin\wuaucldt.exe | executable | |
MD5:B2D137AC14F97F1667AF89F0CB3B8488 | SHA256:961537D5FD688EA7EAABDE87883DB48B0DA2F103971C27D805713EC87D51D44E | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1268 | svchost.exe | GET | 200 | 2.20.245.137:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1268 | svchost.exe | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6320 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
316 | SIHClient.exe | GET | 200 | 69.192.161.161:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2320 | firefox.exe | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/canonical.html | unknown | — | — | whitelisted |
316 | SIHClient.exe | GET | 200 | 69.192.161.161:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
2320 | firefox.exe | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/success.txt?ipv4 | unknown | — | — | whitelisted |
2320 | firefox.exe | POST | 200 | 142.250.186.163:80 | http://o.pki.goog/we2 | unknown | — | — | whitelisted |
2320 | firefox.exe | POST | 200 | 142.250.186.163:80 | http://o.pki.goog/s/wr3/k58 | unknown | — | — | whitelisted |
2320 | firefox.exe | GET | 200 | 34.107.221.82:80 | http://detectportal.firefox.com/success.txt?ipv4 | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5944 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
1268 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
592 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1268 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1268 | svchost.exe | 2.20.245.137:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
1268 | svchost.exe | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
6320 | svchost.exe | 20.190.160.64:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6320 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
ex2.broadser |
| unknown |
www.jica.go.jp |
| unknown |
PID | Process | Class | Message |
|---|---|---|---|
— | — | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |
4824 | svchost.exe | A Network Trojan was detected | ET MALWARE Possible Variant.Kazy.53640 Malformed Client Hello SSL 3.0 (Cipher_Suite length greater than Client_Hello Length) |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |
4824 | svchost.exe | A Network Trojan was detected | ET MALWARE Possible Variant.Kazy.53640 Malformed Client Hello SSL 3.0 (Cipher_Suite length greater than Client_Hello Length) |
4824 | svchost.exe | Generic Protocol Command Decode | SURICATA TLS handshake invalid length |