MALICIOUS — cbd7e2c7304c1af65fb0d0af5e9a667c0e933662dfd7d4175a6ddaea416c4100.msi
MALICIOUS — cbd7e2c7304c1af65fb0d0af5e9a667c0e933662dfd7d4175a6ddaea416c4100.msi is a office-ole sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Ravartar family. 3 of 24 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
cbd7e2c7304c1af65fb0d0af5e9a667c0e933662dfd7d4175a6ddaea416c4100 - SHA-1:
7c4e23357f47666222ba0b15f60634ac8cef6368 - MD5:
fc57460b944c186ef6efcb54500bacb2 - ssdeep:
98304:1Qo0C44Z2TyCll35HA0o92k90sHt0cRmYWuttvgkYBiw6kKpZJqG5LOgZd:1Qo0PQkg0o0A0e0eVViWkVMLx - TLSH:
T1E36733625698B4C1E4D9A63385A0273E0B27D42915F4097F0B95F8B154BF2F387F32A8 - Submitted as: cbd7e2c7304c1af65fb0d0af5e9a667c0e933662dfd7d4175a6ddaea416c4100.msi
- File type: office-ole · Size: 7118848 bytes
- Verdict: malicious (94/100) · Family: Ravartar
Detections (3 of 24 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Microsoft Defender: Trojan:Win32/Ravartar!rfn
- Kaspersky (KVRT): HEUR:Trojan.OLE2.Alien.gen
MITRE ATT&CK
Why this verdict
The malicious score of 94/100 is the fusion of 7 weighted signals:
- Microsoft Defender flagged Trojan:Win32/Ravartar!rfn (rule
Trojan:Win32/Ravartar!rfn) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan.OLE2.Alien.gen (rule
HEUR:Trojan.OLE2.Alien.gen) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 38 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: high-entropy-blob - 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)
4539 behavior events · 2 ATT&CK techniques · 1 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
- secure.globalsign.com
- desktop-hsgcbep
- ntp.ubuntu.com
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 252.0.0.224.in-addr.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
Dropped files
- tmp_tmp.tS7QdEckVq -
f6b383aa9a3b4ab850d553f3384f58b9e55fdf3de7c1736f046759a00c01651a
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=1786702450&P2=404&P3=2&P4=mFvJs%2fTyp7GWwfFO63Uq3nAo%2fougIZZ%2fdu%2bDiuZe%2faOukfbk3iLKUrvJC4yafLi8ThSPJ89f4Hn6dvne3CHcyA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://secure.globalsign.com/cacert/codesigningrootr45.crt
- 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=1786702502&P2=404&P3=2&P4=XULoFmOocbAxlsq7mSFWiVDxuzzVgFbMz3n%2b2UX12AHNhrqdlATRbb4erA1nsmgZcwti%2bY4pBzypha2AHhJKUQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- s.uk
- table.name
- empty.name
- hash.name
Embedded IP addresses
- 48.211.4.16
- 74.178.76.128
- 52.110.12.56
- 52.110.12.33
- 4.230.171.124
- 172.215.188.225
- 52.230.59.222
- 74.178.240.61
- 20.165.94.54
- 52.123.129.14
- 40.99.134.2
- 172.178.240.162
- 51.132.193.105
- 4.247.188.224
- 52.123.252.216
- 72.153.5.62
- 203.26.79.13
- 74.179.71.159
- 196.251.107.6
- 172.217.25.195
File paths
- W:\A;(
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report