MALICIOUS — 18fb9ad24f7298bc1ce0dd1ce8c2d4b5174ec5f5c72b12db1ce91a746a6d6efc
MALICIOUS — 18fb9ad24f7298bc1ce0dd1ce8c2d4b5174ec5f5c72b12db1ce91a746a6d6efc is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Vobfus family. 4 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
18fb9ad24f7298bc1ce0dd1ce8c2d4b5174ec5f5c72b12db1ce91a746a6d6efc - SHA-1:
347ed42e24044bf49eb10dfb9a7e5e490d43ba0a - MD5:
8e49c5dd0568c611063b56d28e1d0001 - imphash:
e10b385d3760c25155223c1cd06e914f - ssdeep:
1536:2zSTs4NSYYZ4/2nDxHnSh/2BIr7fbmKBKpKrKAKcSuO6:9TtNSYt2BIr7DmKBKpKrKAKJ6 - TLSH:
T1433876CB05178988D1F7D99F0E6D3E4E18CD6A0C8B7B116C1DEA484D66863B3E018E9D - Submitted as: 18fb9ad24f7298bc1ce0dd1ce8c2d4b5174ec5f5c72b12db1ce91a746a6d6efc
- File type: pe · Size: 77824 bytes
- Verdict: malicious (99/100) · Family: Vobfus
Detections (4 of 55 engines)
- ClamAV (daily): Win.Worm.Vobfus-7460240-0
- Microsoft Defender: Worm:Win32/Vobfus.AC
- Emsisoft (Emergency Kit): Gen:Trojan.Chinky.2
- Kaspersky (KVRT): Worm.Win32.VBNA.btnv
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Worm.Vobfus-7460240-0 (rule
Win.Worm.Vobfus-7460240-0) - engine signal, weight 0.90, confidence 0.95 - 1 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Observed at runtime: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 24 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - 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
Dynamic analysis (windows)
51520 behavior events · 3 ATT&CK techniques · 4 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
- ns1.thepicturehut.net
- 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
Dropped files
- C:\Users\analyst\pvvuz.exe -
6c9a4323c521b3d6e3fc49500fa76f8b589c341f5e33ca356b0c1b0b92dffe2d - 5151a9eb53d192ddd044f47daf0242ce43561e486c1bfc91205d326e57118e36 -
5151a9eb53d192ddd044f47daf0242ce43561e486c1bfc91205d326e57118e36 - 83cbca41457dcfb5f95e87e01241f423d1eaa3f0f9abb3813e7813bfdaf13d9f -
83cbca41457dcfb5f95e87e01241f423d1eaa3f0f9abb3813e7813bfdaf13d9f - 508a2484f38e01d840ad536dd9a719e6888574aa464588fe59f5f861f348e07e -
508a2484f38e01d840ad536dd9a719e6888574aa464588fe59f5f861f348e07e
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787749837&P2=404&P3=2&P4=WEfik%2bkcX0oliyeo2ACwEtkNMW8i7UbQjI8paXyAGVwd8H1CBczWPD4tnRdRa3Vcq7iLmL7ATvCs5NsTzvYpqA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787749923&P2=404&P3=2&P4=ZZs0MRllld5G0l1IQ5ztjCGgzvFLtdcCrfgtqDyg%2fFpRRU0cXtYJ6WoqPjWnbnsE2K1E9ZQ3eOajw3I6%2fXySsg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.thepicturehut.net
Embedded IP addresses
- 57.154.63.210
- 20.184.175.9
- 4.230.171.124
- 20.42.179.204
- 20.247.184.197
- 40.79.167.10
- 135.232.92.137
- 135.232.92.97
- 52.123.128.14
- 20.231.239.246
- 40.103.64.242
- 52.123.129.14
- 203.26.79.13
- 172.178.240.162
- 92.223.78.30
- 74.178.232.29
- 52.148.114.188
- 135.233.45.222
- 20.42.179.192
- 52.182.143.212
- 72.145.35.111
- 20.165.94.46
- 52.110.12.48
- 52.110.12.50
More Vobfus samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report