SUSPICIOUS — virussign.com_a7ee00e9449be6150ddf079135380ff0.vir
SUSPICIOUS — virussign.com_a7ee00e9449be6150ddf079135380ff0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (48/100). 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
3ef8b25c70ae34f79670d15512a525ba58366fecce3fbcb50cbb75e6eb7f8d88 - SHA-1:
cd95894d936d30bb2a5471360cf4bd71bd952624 - MD5:
a7ee00e9449be6150ddf079135380ff0 - imphash:
10bf8c43db9e6953100fc9503c1a59b8 - ssdeep:
1536:lWOuumR9avZQnZAmm9WMznn6l1lmaM54f:lN/mD02numm95qCag4f - TLSH:
T19935F1528E6C87D4C8C1A8784D5A1A6D261EC1BFAC24EDB7831F52782130DEB4B3984C - Submitted as: virussign.com_a7ee00e9449be6150ddf079135380ff0.vir
- File type: pe · Size: 60416 bytes
- Verdict: suspicious (48/100)
Source: VirusSign · first seen 2026-08-18T00:00:00.000Z · SHA-256 verified
Detections (4 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- Microsoft Defender: Trojan:Win32/Copak.GPI!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Graftor.940160
- Kaspersky (KVRT): HEUR:Trojan.Win32.Copak.vho
MITRE ATT&CK
Why this verdict
The suspicious score of 48/100 is the fusion of 3 weighted signals:
- Contacted 26 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
109 behavior events · 0 ATT&CK techniques · 5 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
- C:\Users\analyst\AppData\Local\Temp\tsk_7d4796536c454111.exe -
eed6b2268b248eea922f1167f1d87dc53a63e6887f256b3c1e7b68e6f277c7cb - c504bcc63e07af7066bd12f5e3c6f0bccf0f52f45417c1c59bbc5699327c6280 -
c504bcc63e07af7066bd12f5e3c6f0bccf0f52f45417c1c59bbc5699327c6280 - 8cc875bd7acfdffd6e141af731768344fd0346e43ae14a8147dffc93df6eb421 -
8cc875bd7acfdffd6e141af731768344fd0346e43ae14a8147dffc93df6eb421 - 6577bced8e6b4a8c1b39f877a6ec08a1f4773a79ef02fbed78b32e00db406897 -
6577bced8e6b4a8c1b39f877a6ec08a1f4773a79ef02fbed78b32e00db406897 - 085979a55d60f95b7147b70963f22f0cb17085e6fd7662e810d8e0ac223b7e2f -
085979a55d60f95b7147b70963f22f0cb17085e6fd7662e810d8e0ac223b7e2f
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=1787729657&P2=404&P3=2&P4=MPROhUs0cTuIZeOKT2Z59voqCT%2bSUaSEuBMwfMY9T6kdFADQ%2fevLjRpD%2bkyCuAxq9c10Dte2P9ggn%2fvPIuIgxg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787729746&P2=404&P3=2&P4=BaRI6ncxozFisiApgU9dgaiZULqBZYClhyvU84hroICKePRH4iHE3SJD2i2OE90PKNgM7615HrjkoI%2fbKzk3MQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 135.233.95.80
- 20.42.65.93
- 52.123.252.227
- 4.230.171.124
- 57.154.63.210
- 4.144.132.114
- 20.165.94.63
- 20.184.175.17
- 74.178.240.51
- 52.123.252.244
- 135.233.95.144
- 20.76.201.171
- 52.123.129.14
- 40.99.133.242
- 52.123.128.14
- 52.168.117.169
- 203.26.79.13
- 172.178.240.161
- 52.148.114.188
- 20.42.179.192
- 72.145.35.108
- 52.110.12.37
- 52.110.12.26
- 142.250.195.131
- 52.110.12.52
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report