SUSPICIOUS — virussign.com_d9da67cfd107db5239a06693c4fa4590.vir
SUSPICIOUS — virussign.com_d9da67cfd107db5239a06693c4fa4590.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (61/100), attributed to the Expiro family. 4 of 55 detection engines flagged it.
Identification
- SHA-256:
3db809a45633e24991c274781fd56cbb12b822f9e8d4a6ddac2a82a66b9e2434 - SHA-1:
1ffca4dd2d3d61edee2869d884a402dc6dd2e62a - MD5:
d9da67cfd107db5239a06693c4fa4590 - imphash:
cf79fce90fced31836373f3e48251a5d - ssdeep:
12288:BfXc3ajG+hjQKymY8efKCpD7Gj9G6G1qT8nQkCu83L3Wl/np9DBDt3kbE:BfsqjnhMgeiCl7G0nehbGZpbD - TLSH:
T1AF55234DB81D9942C074AC0ABBD54C4F4606BA5D71B88B8F2101DE37D6BAFE741B3268 - Submitted as: virussign.com_d9da67cfd107db5239a06693c4fa4590.vir
- File type: pe · Size: 1249280 bytes
- Verdict: suspicious (61/100) · Family: Expiro
Source: VirusSign · first seen 2026-08-19T00:00:00.000Z · SHA-256 verified
Detections (4 of 55 engines)
- Microsoft Defender: Virus:Win64/Expiro.DA!MTB
- Emsisoft (Emergency Kit): Win64.Expiro.Gen.7
- Trellix Stinger (McAfee): W32/Expiro.gen.re
- Kaspersky (KVRT): Virus.Win64.Moiva.a
Why this verdict
The suspicious score of 61/100 is the fusion of 2 weighted signals:
- Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Contacted 21 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
69 behavior events · 0 ATT&CK techniques · 2 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
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- 972e8c953dc96e8e3547dc06b7be9c946383a6a8bff720d090295ff6acf11eb4 -
972e8c953dc96e8e3547dc06b7be9c946383a6a8bff720d090295ff6acf11eb4 - c747842184af60acf4f5fe31f4d737dbd4b9a3e24a655f408af66e2e59a32bb3 -
c747842184af60acf4f5fe31f4d737dbd4b9a3e24a655f408af66e2e59a32bb3
Embedded URLs
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787782170&P2=404&P3=2&P4=gTMwXYFVzv4vWcXRvuIEis1Zdby1najW%2fPrZO5EAYwj5Qt4DuwGRWZ1bNQ4oUyZzIO1c8PM%2bpMDANDM%2fC0Itww%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 92.223.78.30
- 20.42.65.94
- 52.123.252.224
- 74.178.76.44
- 57.155.101.212
- 4.230.171.124
- 4.144.132.223
- 135.233.95.144
- 74.178.240.51
- 52.168.112.67
- 20.236.44.162
- 40.104.4.2
- 52.123.129.14
- 4.150.223.107
- 203.26.79.13
- 135.234.160.245
- 74.178.232.29
- 52.110.12.16
- 52.110.12.8
- 72.153.5.136
- 52.148.114.188
More Expiro samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report