MALICIOUS — cc31203ff6f3699b5dd82010f3b7088b171bc2290dff0cb8d9533a4e654a0e48
MALICIOUS — cc31203ff6f3699b5dd82010f3b7088b171bc2290dff0cb8d9533a4e654a0e48 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Nevereg family. 6 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
cc31203ff6f3699b5dd82010f3b7088b171bc2290dff0cb8d9533a4e654a0e48 - SHA-1:
a7339b7ec150152c36189a8647a04bcc8bc73c89 - MD5:
0ba388a82a0da61269207fb917f7bfaf - imphash:
14257997e0ca768516e946a837c52bc0 - ssdeep:
768:ITRfpN0pOy3OzeXmOGXbJOlB2vsLCikf:IHzzeWHXbJGB2EOikf - TLSH:
T1582CD0882CB0E02DF6B0542FC09A38FD9BA75E7EB43116288439CE3A2ED45576DB5205 - Submitted as: cc31203ff6f3699b5dd82010f3b7088b171bc2290dff0cb8d9533a4e654a0e48
- File type: pe · Size: 26556 bytes
- Verdict: malicious (94/100) · Family: Nevereg
Detections (6 of 52 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Worm.Nevereg-1
- Detect It Easy (packer/type): DIE:UPX 1.23
- Kaspersky (KVRT): Email-Worm.Win32.Nevereg
- Microsoft Defender: Worm:Win32/Nevereg!pz
- Trellix Stinger (McAfee): Dropper-FZS!0DDA5EABE006
MITRE ATT&CK
Why this verdict
The malicious score of 94/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Worm.Nevereg-1 (rule
Win.Worm.Nevereg-1) - engine signal, weight 0.90, confidence 0.95 - Contacted 44 external host(s) at runtime (28 HTTP) - network signal, weight 0.40, confidence 0.80
- Detect It Easy (packer/type) flagged DIE:UPX 1.23 (rule
DIE:UPX 1.23) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, UPX 1.23 - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
11 behavior events · 1 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
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
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/736bdc20-582e-46c5-ba31-d31d3d97258e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/736bdc20-582e-46c5-ba31-d31d3d97258e?P1=1786709715&P2=404&P3=2&P4=jEYKIURgkNjIHUuQjseWTv111EkHT3AzT6yqMI5awMqm4NpbzD5lQGd6KuSeM5oZe5bvqPahUVOHukPlM2ZO1Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/1d8d0488-0a3b-440b-b2a9-36df2b9d4ebd/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/1d8d0488-0a3b-440b-b2a9-36df2b9d4ebd?P1=1786709735&P2=404&P3=2&P4=W4xc2EYjwNMEW9F8%2bG0u%2fTj0DFXSXrbcDXbya4UQwLiqO616YcRKiVFhgXQ%2bl0Eyh2CoU8RE%2ft78OeOw9c0azg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 149.154.164.24
- 149.154.167.99
- 20.42.65.85
- 40.84.85.40
- 4.230.171.124
- 52.230.60.54
- 74.178.240.61
- 20.42.73.24
- 74.178.240.51
- 20.236.44.162
- 40.99.134.18
- 52.123.129.14
- 52.123.128.14
- 4.150.223.109
- 135.233.45.221
- 92.223.78.30
- 20.42.179.192
- 135.233.95.80
- 203.26.79.13
- 48.200.63.27
- 20.52.64.201
- 4.150.223.103
- 72.154.7.110
- 52.148.114.188
- 52.110.12.25
More Nevereg samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report