| File name: | SubZero Download_88231676.exe |
| Full analysis: | https://app.any.run/tasks/5a8851f0-52f3-4a7d-b368-4eb6b5c0e3c6 |
| Verdict: | Malicious activity |
| Analysis date: | March 25, 2025, 06:03:20 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 5 sections |
| MD5: | 15D1C495FF66BF7CEA8A6D14BFDF0A20 |
| SHA1: | 942814521FA406A225522F208AC67F90DBDE0AE7 |
| SHA256: | 61C2C4A5D7C14F77EE88871DED4CC7F1E49DAE3E4EF209504C66FEDF4D22DE42 |
| SSDEEP: | 98304:DtjM+LgnHM8mNLNpOmMGl2p9tjIQh+1GHp8PGmDFzMVv3kdcpR41TBN14BC6SkPT:Kw8 |
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:10:18 17:00:18+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.22 |
| CodeSize: | 4353024 |
| InitializedDataSize: | 1675776 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x398c98 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Unknown (0) |
| ObjectFileType: | Unknown |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| FileDescription: | Download Manager |
| FileVersion: | 1 |
| InternalName: | Download Manager |
| LegalCopyright: | Download Manager |
| OriginalFileName: | Download Manager |
| ProductName: | Download Manager |
| ProductVersion: | 1 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 664 | "C:\WINDOWS\system32\NOTEPAD.EXE" C:\Users\admin\AppData\Local\link.txt | C:\Windows\SysWOW64\notepad.exe | — | SubZero Download_88231676.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Notepad Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 672 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6616 -childID 14 -isForBrowser -prefsHandle 6304 -prefMapHandle 6392 -prefsLen 31556 -prefMapSize 244583 -jsInitHandle 1472 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5935d5df-ea6d-418b-bebb-218e6bc18062} 2552 "\\.\pipe\gecko-crash-server-pipe.2552" 222f63ddbd0 tab | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 123.0 Modules
| |||||||||||||||
| 1280 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1628 | "C:\Users\admin\AppData\Local\Temp\SubZero Download_88231676.exe" | C:\Users\admin\AppData\Local\Temp\SubZero Download_88231676.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Download Manager Exit code: 3221226540 Version: 1 Modules
| |||||||||||||||
| 2148 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2552 | "C:\Program Files\Mozilla Firefox\firefox.exe" | C:\Program Files\Mozilla Firefox\firefox.exe | firefox.exe | ||||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 123.0 Modules
| |||||||||||||||
| 2984 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3156 | "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=6504 -childID 19 -isForBrowser -prefsHandle 4396 -prefMapHandle 6692 -prefsLen 31556 -prefMapSize 244583 -jsInitHandle 1472 -jsInitLen 235124 -parentBuildID 20240213221259 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a3cf60d5-92d7-43fe-b1b7-c26b49ff80c5} 2552 "\\.\pipe\gecko-crash-server-pipe.2552" 222ff2474d0 tab | C:\Program Files\Mozilla Firefox\firefox.exe | — | firefox.exe | |||||||||||
User: admin Company: Mozilla Corporation Integrity Level: MEDIUM Description: Firefox Version: 123.0 Modules
| |||||||||||||||
| 4040 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4208 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (7148) SubZero Download_88231676.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (7148) SubZero Download_88231676.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (7148) SubZero Download_88231676.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (7148) SubZero Download_88231676.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.txt\OpenWithProgids |
| Operation: | write | Name: | txtfile |
Value: | |||
| (PID) Process: | (4208) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (4208) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (4208) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (2984) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2984) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2984) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA | binary | |
MD5:16FB34FDFF735D7FCE2B5AE972DB97BB | SHA256:7D8E95B8F16A97299DB6DD2E351254B169A86B6EFD2258D229608C4EA36FECEC | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B77FAD61EB4A40E3443FA60D1451BEB4_5F55BE09F9262B37AA5427711092D3D4 | binary | |
MD5:F34426B175BDCC1FDA9DC9E030E13AB0 | SHA256:7A7E8C562AC5827ED8533EBC6324862970F85BB8445CD565456C964A55691DCE | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\DD2A7AB6E9F505401E82E727A63C7450_B73C7F9C4217B96C2B9DB7FC54C11C60 | binary | |
MD5:89E0E5DBDACFE4E7A748BB304BDB13FA | SHA256:6D28DBE25C6AAAAF32834246D12A20DD7E8C619EA5E84EF27B68D12816AEF6EC | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8 | binary | |
MD5:1201DB91F7AAF44C18AD4A884D96AE3A | SHA256:1D0C5C80F846AA18E52417629CDA388F56CEEDB8520BBA97DBC6E26D76192DA0 | |||
| 2984 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\08289391-3d51-431b-ad36-bce82115de47.down_data | — | |
MD5:— | SHA256:— | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\75CA58072B9926F763A91F0CC2798706_645BC4A49DCDC40FE5917FA45C6D4517 | binary | |
MD5:C8CFD188C1BC1607392DEE494F83B57B | SHA256:4F5DBB651E22D64B2EDCA961E520EC995D92A631EBE054822452885541FC7A89 | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\E4DJRUXW\logo[1].png | image | |
MD5:2D4E9E8198F0C3EADE53C619CD1FE4EA | SHA256:C97E703578120C1F7A570ACAC3B461178A5E051CE16BE9E266C1789C1D610AC0 | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCV3KQBA\service[1].htm | text | |
MD5:CDCBF1585C8FC4E753212FA7E0CB8701 | SHA256:38D99781A809D7C2A7EB478898E2094DA5D216C351A832DD4D298B7587C8C4E8 | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12 | binary | |
MD5:7EFA0BEFD4035D88576F2F034D599D35 | SHA256:41A16ABBF124BE7EDBBD7CEAD8A05B6102C671A1495C74B4657B2818EECA4337 | |||
| 7148 | SubZero Download_88231676.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\geo[1].htm | text | |
MD5:482846ADD93E7C3A7CE4C6D51F028BE9 | SHA256:72CE783E1317588760616D60675AA32557B96382EF995D589C44B5817EA6EE3B | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
7148 | SubZero Download_88231676.exe | GET | 200 | 142.250.186.35:80 | http://c.pki.goog/r/gsr1.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7084 | backgroundTaskHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
7148 | SubZero Download_88231676.exe | GET | 200 | 142.250.186.35:80 | http://c.pki.goog/r/r4.crl | unknown | — | — | whitelisted |
2984 | BackgroundTransferHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
7148 | SubZero Download_88231676.exe | GET | 200 | 18.245.38.41:80 | http://ocsp.rootca1.amazontrust.com/MFQwUjBQME4wTDAJBgUrDgMCGgUABBRPWaOUU8%2B5VZ5%2Fa9jFTaU9pkK3FAQUhBjMhTTsvAyUlC4IWZzHshBOCggCEwdzEkzUBtJnwJkc3SmanzgxeYU%3D | unknown | — | — | whitelisted |
208 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
7148 | SubZero Download_88231676.exe | GET | 200 | 18.245.65.219:80 | http://ocsp.r2m03.amazontrust.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQqHI%2BsdmapawQncL1rpCEZZ8gTSAQUVdkYX9IczAHhWLS%2Bq9lVQgHXLgICEAsG7SjIJKGIOV3vwg87c8M%3D | unknown | — | — | whitelisted |
2552 | firefox.exe | POST | 200 | 142.250.186.35:80 | http://o.pki.goog/s/wr3/cgo | unknown | — | — | whitelisted |
208 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 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 |
— | — | 23.53.40.178:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
7148 | SubZero Download_88231676.exe | 35.190.60.70:443 | www.dlsft.com | GOOGLE | US | whitelisted |
7148 | SubZero Download_88231676.exe | 142.250.186.35:80 | ocsp.pki.goog | GOOGLE | US | whitelisted |
3216 | svchost.exe | 40.113.103.199:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 20.190.159.129:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
7148 | SubZero Download_88231676.exe | 104.21.16.1:443 | filedm.com | CLOUDFLARENET | — | malicious |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.dlsft.com |
| unknown |
ocsp.pki.goog |
| whitelisted |
c.pki.goog |
| whitelisted |
o.pki.goog |
| whitelisted |
client.wns.windows.com |
| whitelisted |
dlsft.com |
| unknown |
login.live.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com) |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Online Pastebin Text Storage |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com) |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Online Pastebin Text Storage |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Online Pastebin Text Storage |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Cloudflare content delivery network (cdnjs .cloudflare .com) |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Requests to a free CDN for open source projects (jsdelivr .net) |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Cloudflare turnstile CAPTCHA challenge |
2196 | svchost.exe | Not Suspicious Traffic | INFO [ANY.RUN] Requests to a free CDN for open source projects (jsdelivr .net) |