MALICIOUS — c4f6863e8b550236566de80a4d4abdd6147b8157670891502cddc41e36e6a73a
MALICIOUS — c4f6863e8b550236566de80a4d4abdd6147b8157670891502cddc41e36e6a73a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Urelas family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
c4f6863e8b550236566de80a4d4abdd6147b8157670891502cddc41e36e6a73a - SHA-1:
fa8055306c76678d22b00ce1a3f63a0b47b54ea7 - MD5:
2330218a8800954d2ba30039e13cee80 - imphash:
e64c588944c2ac10400ed12764c26b03 - ssdeep:
1536:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdJB:K0GAqjuVZ6rNOJB - TLSH:
T1EC3502698006A959F5BEF3043868EC2D7B4E63741CEDB5ADFE10515C6238213960972F - Submitted as: c4f6863e8b550236566de80a4d4abdd6147b8157670891502cddc41e36e6a73a
- File type: pe · Size: 62417 bytes
- Verdict: malicious (98/100) · Family: Urelas
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:HSUDHUHW
- ClamAV (daily): Win.Trojan.Generic-9909987-0
- Detect It Easy (packer/type): DIE:Packman
- Microsoft Defender: Trojan:Win32/Urelas!pz
- Trellix Stinger (McAfee): Trojan-FEXT!87EE44CB458B
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Generic-9909987-0 (rule
Win.Trojan.Generic-9909987-0) - engine signal, weight 0.90, confidence 0.95 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 30 external host(s) and 20 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- Detect It Easy (packer/type) flagged DIE:Packman (rule
DIE:Packman) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:HSUDHUHW, Packman - static signal, weight 0.25, confidence 0.55
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
13151 behavior events · 2 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
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\biudfw.exe -
aaf23675060159e6d79f1753a995a8a12630fc4ed1a695a2f39d9448b4a0bba8 - C:\Users\analyst\AppData\Local\Temp\golfinfo.ini -
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787945797&P2=404&P3=2&P4=eFfjoBProqjvB5U3zGMdylBtZ%2btC03VWnJW%2bdmNH5uHd%2fkF1hmGr8frppYEuBiW23MHqEDYz3eSQJ8aY7Phh6A%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=1787945862&P2=404&P3=2&P4=fxL984lulY1qev97yOOXBF%2bg4H5Rv3dJsUkGmu1Ztwl8Zfm9s1IWDrcQ2nN3LJcJxUqdw6pR082OeuapU%2fIzxQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.247.188.233
- 52.168.112.67
- 52.123.252.235
- 4.230.171.124
- 20.247.184.197
- 48.211.4.16
- 74.178.76.128
- 74.179.77.164
- 20.184.175.14
- 20.236.44.162
- 52.123.129.14
- 52.123.128.14
- 135.233.45.221
- 85.210.193.152
- 218.54.47.76
- 162.159.142.9
- 92.223.78.30
- 135.233.45.223
- 52.123.252.212
- 218.54.47.74
- 52.148.114.188
- 203.26.79.13
- 20.184.175.16
- 52.110.12.25
- 52.110.12.40
More Urelas samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report