MALICIOUS — 09576e51ac120a77fa076411edcb2b4db384a8b6e6728b467c415867e888c12b
MALICIOUS — 09576e51ac120a77fa076411edcb2b4db384a8b6e6728b467c415867e888c12b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the NabucurObfs family. 5 of 25 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
09576e51ac120a77fa076411edcb2b4db384a8b6e6728b467c415867e888c12b - SHA-1:
e1ba99b0cc6785231f8862f76cc07b0282a8102d - MD5:
e47dfacc138de18c7c76071f19daefbb - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
12288:P54aKntcFS6xFg3X1qZXrbGC/sLwk7jxrZZBVirPKsJLO9ePrnLqEQu12:B4aKtcbx+ivGC/sLLRBkJcePrGEK - TLSH:
T14F58CB0880E4CF8C57C2A04BDADDA224DE2FC8D54706AA4BDAA47D8E153E35367D5F06 - Submitted as: 09576e51ac120a77fa076411edcb2b4db384a8b6e6728b467c415867e888c12b
- File type: pe · Size: 1765888 bytes
- Verdict: malicious (99/100) · Family: NabucurObfs
Detections (5 of 25 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- Microsoft Defender: Trojan:Win32/NabucurObfs
- Emsisoft (Emergency Kit): Win32.Virlock.Gen.5
- Trellix Stinger (McAfee): W32/VirRansom
- Kaspersky (KVRT): Virus.Win32.PolyRansom.a
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- Microsoft Defender flagged Trojan:Win32/NabucurObfs (rule
Trojan:Win32/NabucurObfs) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Win32.Virlock.Gen.5 (rule
Win32.Virlock.Gen.5) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged W32/VirRansom (rule
W32/VirRansom) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Virus.Win32.PolyRansom.a (rule
Virus.Win32.PolyRansom.a) - 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 37 external host(s) at runtime (15 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- Packing/obfuscation: high-entropy-sections:.text - 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)
27757 behavior events · 2 ATT&CK techniques · 18 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- google.com
- ctldl.windowsupdate.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- msedge.api.cdp.microsoft.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- geo.prod.do.dsp.mp.microsoft.com
- assets.msn.com
- licensing.mp.microsoft.com
- kv801.prod.do.dsp.mp.microsoft.com
- cp801.prod.do.dsp.mp.microsoft.com
- msedge.b.tlu.dl.delivery.mp.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/8841/files/bacc114dd8a9ea51c3ec085fe8ccf715a62e32c73af5718a07b3503b1f681936 -
bacc114dd8a9ea51c3ec085fe8ccf715a62e32c73af5718a07b3503b1f681936 - /opt/CAPEv2/storage/analyses/8841/files/6d0be6eaae1c613acf8d813ddbde15d05a1af048722b5b7c5396de9988bfe9a3 -
6d0be6eaae1c613acf8d813ddbde15d05a1af048722b5b7c5396de9988bfe9a3 - /opt/CAPEv2/storage/analyses/8841/files/7bdc8653998f348b5702103c5735913da8303cd8643e5e961a78b8fe8e1feddc -
7bdc8653998f348b5702103c5735913da8303cd8643e5e961a78b8fe8e1feddc - /opt/CAPEv2/storage/analyses/8841/files/7beca96411ed57d8baed89caee9e317c39d6d0b185bd2812f468bb21d054d004 -
7beca96411ed57d8baed89caee9e317c39d6d0b185bd2812f468bb21d054d004 - /opt/CAPEv2/storage/analyses/8841/files/a6cc72c413a0345146f5d113eca171671399b05df45867c10dbc23a350147339 -
a6cc72c413a0345146f5d113eca171671399b05df45867c10dbc23a350147339 - /opt/CAPEv2/storage/analyses/8841/files/dffedb4bd7421e0d8b56380f0641136f61f2316d9943e4cdfe0962643abe355d -
dffedb4bd7421e0d8b56380f0641136f61f2316d9943e4cdfe0962643abe355d - /opt/CAPEv2/storage/analyses/8841/files/bcb253ea3735a0cf0a8c6ee06c14c884937c64ddeacedb17240e40d403577620 -
bcb253ea3735a0cf0a8c6ee06c14c884937c64ddeacedb17240e40d403577620 - /opt/CAPEv2/storage/analyses/8841/files/8e2e05a1d6bfd63b489fea79f21c0961a9b2d9b19a0a63b272eaa2c06b884692 -
8e2e05a1d6bfd63b489fea79f21c0961a9b2d9b19a0a63b272eaa2c06b884692 - /opt/CAPEv2/storage/analyses/8841/files/d3e8d47e8c1622ec10adef672ca7a8992748c4f0a4e75f877462e7e661069698 -
d3e8d47e8c1622ec10adef672ca7a8992748c4f0a4e75f877462e7e661069698 - /opt/CAPEv2/storage/analyses/8841/files/ed7913a5b4914f6343f312915bd957b6c72c09c3061985d38d2d8b6c4241af51 -
ed7913a5b4914f6343f312915bd957b6c72c09c3061985d38d2d8b6c4241af51 - /opt/CAPEv2/storage/analyses/8841/files/a56b3376b307e76f16a7bf533547baa6e69bbbf0830b563fb528fbc12a0f992b -
a56b3376b307e76f16a7bf533547baa6e69bbbf0830b563fb528fbc12a0f992b - /opt/CAPEv2/storage/analyses/8841/files/5c5b0de42d55486ed61dd3a6e96ab09f467bb38ae39fced97adc51ba07426c0e -
5c5b0de42d55486ed61dd3a6e96ab09f467bb38ae39fced97adc51ba07426c0e - /opt/CAPEv2/storage/analyses/8841/files/0f35ace5268db33940ed18e946a9c65be4e31ec0ae31faa6e60122859c5cb5ca -
0f35ace5268db33940ed18e946a9c65be4e31ec0ae31faa6e60122859c5cb5ca - /opt/CAPEv2/storage/analyses/8841/files/4d52754a0047a6cff1cd7aa98cf6c4709d15f6a5315bd5a939c574cc95bc3dfc -
4d52754a0047a6cff1cd7aa98cf6c4709d15f6a5315bd5a939c574cc95bc3dfc - /opt/CAPEv2/storage/analyses/8841/files/609824cc9c4f6c26c529ea3eb6f112c1a7c74d5ed58e25b6f9d88dce5944626a -
609824cc9c4f6c26c529ea3eb6f112c1a7c74d5ed58e25b6f9d88dce5944626a
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- 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=1786363963&P2=404&P3=2&P4=a4%2bsGNXGq4TzpkgyqhZMEaormKUGc6980B9aZEWgO4%2fdtSmJ10L1L2cruAlKx%2fjyPuKrbqePdi7FDaYFzedbug%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://google.com/
- http://203.26.79.13/filestreamingservice//files/c48ae315-f580-4b6c-801e-58a0f885749d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c48ae315-f580-4b6c-801e-58a0f885749d?P1=1786364010&P2=404&P3=2&P4=FI7H85wrraA8nt4bwufiPxgMn8rYLynCUAWaCie6qUaOyp0Bi15H%2fpM7FiuIlUWN5mJDMq%2b1jDFC56EJ7KFYAg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.184.175.11
- 4.247.188.233
- 4.230.171.124
- 172.215.188.232
- 20.247.185.124
- 135.233.95.80
- 74.178.240.61
- 74.179.77.164
- 4.150.223.103
- 135.232.92.137
- 203.26.79.13
- 135.234.160.245
- 92.223.78.30
- 200.87.164.69
- 135.233.45.221
- 200.119.204.12
- 190.186.45.170
- 52.110.12.46
- 72.153.5.141
- 52.110.12.28
- 52.148.114.188
- 142.250.195.174
- 142.251.222.238
- 52.110.12.55
- 52.110.12.20
More NabucurObfs samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report