SUSPICIOUS — virussign.com_0d9372d02e6a8c0e4ba008a5b7739870.vir
SUSPICIOUS — virussign.com_0d9372d02e6a8c0e4ba008a5b7739870.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:
77c6b5cf530fc201746c9d76a6928d393df7a266b3ca059827250b619df89236 - SHA-1:
9d2e8a985d6a06d56b137811e15becc7c202f22b - MD5:
0d9372d02e6a8c0e4ba008a5b7739870 - imphash:
b26d5ebf1c5b0736bb85af0bd1167087 - ssdeep:
1536:DS8GDzE1epdWLXHzwIVisxdBQxrIa1u8YK:96yepdWLjYsoEa14 - TLSH:
T10C3502DB2938B390EF0DF364D14A455E5C4D897D785235CB8A5A243B084893F1EDC9AC - Submitted as: virussign.com_0d9372d02e6a8c0e4ba008a5b7739870.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.GPAC!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Barys.510186
- 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 20 external host(s) at runtime (22 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)
107 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
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\tsk_58ac3839108f4038.exe -
bc4f28be2bde9f31542c5281c656eee7e57c859d8502121898140ec86953faa5 - 7cc364e7ba0867ddf38bdeed82768c154c789cb4e39cb20f2a15987df0b0916e -
7cc364e7ba0867ddf38bdeed82768c154c789cb4e39cb20f2a15987df0b0916e - 6577bced8e6b4a8c1b39f877a6ec08a1f4773a79ef02fbed78b32e00db406897 -
6577bced8e6b4a8c1b39f877a6ec08a1f4773a79ef02fbed78b32e00db406897 - 0ba9b92989aa931064ee947eb033fcdc9da55146010e3fb930fed7f80f29ec33 -
0ba9b92989aa931064ee947eb033fcdc9da55146010e3fb930fed7f80f29ec33 - 5d2e5fba32f0378b8d0e42264841a7952197d96923092730714b89607e1860c4 -
5d2e5fba32f0378b8d0e42264841a7952197d96923092730714b89607e1860c4
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=1787732122&P2=404&P3=2&P4=KaPjMyvY8THkzHspc%2fWHt%2bH1p1zTB3zKbcjMK0PawuBduwAqfSktmIIwAVTu03nIJazO6zzKKTKNE0smh96ctQ%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=1787732165&P2=404&P3=2&P4=OQ6RH6q4mJPbIz09ot0tIEWvZA9R6RwDaApve%2f9QSCgMJsdzNxAhldSCXZJP2iE3XHOXR4ebetQSvqI5N0uSHg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 203.26.79.13
- 20.42.72.131
- 52.123.252.215
- 52.230.59.222
- 52.123.252.234
- 4.230.171.124
- 57.154.63.210
- 135.233.95.144
- 74.178.240.51
- 4.150.223.97
- 52.123.129.14
- 20.112.250.133
- 40.99.133.210
- 20.165.94.46
- 172.178.240.161
- 52.148.114.188
- 92.223.78.30
- 72.154.7.102
- 52.110.12.11
- 52.110.12.21
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report