MALICIOUS — virussign.com_601599a6efb4c8b16c8518b12d109bd0.vir
MALICIOUS — virussign.com_601599a6efb4c8b16c8518b12d109bd0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (79/100), attributed to the Glupteba family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
87d375f586c370e6fec8b4c955c29842d2bb5c719ea9007613f27aa889b399e4 - SHA-1:
c318c5036a63b37b36b8ba63bed3ea587e7e715f - MD5:
601599a6efb4c8b16c8518b12d109bd0 - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
1536:V91pfFjX2A7d4ndiIuHVvzPXDZUvPvWtYIVb0YINL8s1catwuqmYRjl:VD2A7udjGdXVumXINIsCirqmeZ - TLSH:
T1AC3901BDF2A80745E135B8E86D47B42DD1324B4DB068C43E1AC13E7258F219B781E6E6 - Submitted as: virussign.com_601599a6efb4c8b16c8518b12d109bd0.vir
- File type: pe · Size: 86528 bytes
- Verdict: malicious (79/100) · Family: Glupteba
Source: VirusSign · first seen 2026-08-21T00:00:00.000Z · SHA-256 verified
Detections (4 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- Microsoft Defender: Trojan:Win32/Glupteba!pz
- Trellix Stinger (McAfee): Glupteba-FUBP!601599A6EFB4
- Kaspersky (KVRT): HEUR:Trojan.Win32.Convagent.gen
MITRE ATT&CK
Why this verdict
The malicious score of 79/100 is the fusion of 4 weighted signals:
- Memory forensics: 4 finding(s), e.g. process hollowing in tsk_3f1676f4bd (pid 8536) (rule
windows.hollowprocesses.HollowProcesses) - memory signal, weight 0.70, confidence 0.85 - Contacted 27 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: high-entropy-sections:.text - 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)
110 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_3f1676f4bdd241cb.exe -
99b50df5aaafcdff02275c8d6bcd8785132ad8fe67c443059df3a5916362ddb9 - c34eeb1cfafafd947460909b9eb5f2ec6d79a2155d7a462bd564b03a23399099 -
c34eeb1cfafafd947460909b9eb5f2ec6d79a2155d7a462bd564b03a23399099 - 50d0b09abe40f4479aafb27adfd05580c7491081a2461c89ad36969236da2730 -
50d0b09abe40f4479aafb27adfd05580c7491081a2461c89ad36969236da2730 - f6bcd3724af7436641bcc113623f0e89667509cc3f7b7e98264e89dab0aeee3a -
f6bcd3724af7436641bcc113623f0e89667509cc3f7b7e98264e89dab0aeee3a - 6577bced8e6b4a8c1b39f877a6ec08a1f4773a79ef02fbed78b32e00db406897 -
6577bced8e6b4a8c1b39f877a6ec08a1f4773a79ef02fbed78b32e00db406897
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787936144&P2=404&P3=2&P4=mRkGYwHpaqCH%2bRDLYOA%2bl8op8lYWOaJPk7P7RwhLjN%2f0WITc7KZliLwUPaoa%2fSej22wSDh8gtf497k0ivoaxCA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787936201&P2=404&P3=2&P4=U8XFGEhtMV1uQqzHFM6hd2DrbJOP5%2bHFMhaxCISbnUUAgXSpg3rqH6wUnidq7PVbXl%2f8Kl6pRzKHkhpOLzrvYg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 52.123.252.234
- 4.207.44.68
- 52.123.252.248
- 4.230.171.124
- 57.154.63.210
- 4.144.132.114
- 172.215.188.232
- 52.123.252.244
- 20.165.94.46
- 135.232.92.137
- 74.178.240.51
- 40.79.150.120
- 74.178.76.128
- 52.123.128.14
- 20.112.250.133
- 40.99.133.226
- 52.123.129.14
- 203.26.79.13
- 4.150.223.110
- 172.178.240.163
- 92.223.78.30
- 52.148.114.188
- 52.110.12.55
- 52.110.12.26
- 72.145.35.102
More Glupteba samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report