MALICIOUS — virussign.com_fd2456b8510d57139cd4566e6117d0a0.vir
MALICIOUS — virussign.com_fd2456b8510d57139cd4566e6117d0a0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the Pioneer family. 5 of 51 detection engines flagged it.
Identification
- SHA-256:
a96e65e05a511a6adb4a0ff624db322c3e659373f623f8cb71ab385737c3214f - SHA-1:
f3baf25fe453ea9a5a4ba93038f6f534a5c745dc - MD5:
fd2456b8510d57139cd4566e6117d0a0 - imphash:
a68cdbcdef134517d8c0ef74e69b1e44 - ssdeep:
12288:GQPX+pd167QhE0s7+jM+M6ugRfMMkIM7ovX+pd167QhE0u7+YrBjvrEH7wp:FE6Ehg7mM+M6RkMkIM7gE6Eh67ZrEH7i - TLSH:
T1A44FCFE80B23220FC9B15707AD0A4A4E65678872D56E5E4CD30BD2AC9DE757F843C0B9 - Submitted as: virussign.com_fd2456b8510d57139cd4566e6117d0a0.vir
- File type: pe · Size: 751319 bytes
- Verdict: malicious (93/100) · Family: Pioneer
Source: VirusSign · first seen 2026-08-03T00:00:00.000Z · SHA-256 verified
Detections (5 of 51 engines)
- ClamAV (daily): Win.Virus.Pioneer-9111434-0
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): Win32.Floxif.A
- Kaspersky (KVRT): Virus.Win32.Pioneer.cz
Why this verdict
The malicious score of 93/100 is the fusion of 3 weighted signals:
- ClamAV (daily) flagged Win.Virus.Pioneer-9111434-0 (rule
Win.Virus.Pioneer-9111434-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 41 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
0 behavior events · 0 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- settings-win.data.microsoft.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- tas02.sls.update.microsoft.com
- v10.events.data.microsoft.com
Embedded URLs
- http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
- http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787171794&P2=404&P3=2&P4=hSbsHo1Ef3o2nO3OQJoHi9M%2b1a5WcNX%2bcfoii4jSf8JoMeFyDJeE%2bMHCNoPen%2b2hhWQL1DMGGOCCTStFCwD3KA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- crl.microsoft.com
- www.microsoft.com
Embedded IP addresses
- 48.211.4.16
- 4.150.223.105
- 52.123.252.204
- 20.247.185.124
- 20.184.175.10
- 74.178.240.61
- 135.232.92.97
- 4.247.188.233
- 52.123.252.231
- 4.230.171.124
- 20.42.73.24
- 20.236.44.162
- 52.123.128.14
- 52.123.129.14
- 40.104.4.2
- 203.26.79.13
- 52.123.252.194
- 135.233.95.80
- 52.123.252.227
- 172.66.2.5
- 135.233.45.223
- 52.148.114.188
- 72.153.5.134
- 125.56.205.42
- 125.56.205.17
File paths
- V:\:j:
More Pioneer samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report