MALICIOUS — fd3793a62351c637df061d78c03c50e42f8e8d77e10bad8753bec8b77db28c5f
MALICIOUS — fd3793a62351c637df061d78c03c50e42f8e8d77e10bad8753bec8b77db28c5f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100), attributed to the Zusy family. 7 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
fd3793a62351c637df061d78c03c50e42f8e8d77e10bad8753bec8b77db28c5f - SHA-1:
b4ecb8329d319f003f225b6ddc6300efd22785ab - MD5:
56570ec129608e93b9ff964a07765e66 - imphash:
bdf542ff054e4db41b88c388a0926c79 - ssdeep:
24576:yMINeWBPsTXAal4BmrIzbn4DCg9S5WWWt8HXSG:yMD8IIzb6QWWWmXB - TLSH:
T15354F1BD93E77A43EB36C524F8A4EF7D0031B859513A344A5567843EA3F4CEB1A40A18 - Submitted as: fd3793a62351c637df061d78c03c50e42f8e8d77e10bad8753bec8b77db28c5f
- File type: pe · Size: 1135616 bytes
- Verdict: malicious (95/100) · Family: Zusy
Detections (7 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Zusy-9947828-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Trojan:Win32/BunituCrypt.RT!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Fragtor.41306
- Trellix Stinger (McAfee): Trojan-FUWF!56570EC12960
- Kaspersky (KVRT): HEUR:Trojan.Win32.Agentb.gen
MITRE ATT&CK
Why this verdict
The malicious score of 95/100 is the fusion of 4 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9947828-0 (rule
Win.Malware.Zusy-9947828-0) - engine signal, weight 0.90, confidence 0.95 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 27 external host(s) at runtime (27 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
70 behavior events · 0 ATT&CK techniques · 3 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
- config.edge.skype.com
- v20.events.data.microsoft.com
- msedge.api.cdp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- e667cf72d7aca6eebda9d12a85ccfc1ef49356498c9b26e390c7b615aa8bb884 -
e667cf72d7aca6eebda9d12a85ccfc1ef49356498c9b26e390c7b615aa8bb884 - 4d27a26773229ed5bdda289024c4f222743055869f2a7a44327b3919f640d619 -
4d27a26773229ed5bdda289024c4f222743055869f2a7a44327b3919f640d619 - 98494fc300cca64b87aa2718dceeb8173a84b341fe3e4e59f9ca381056d3c547 -
98494fc300cca64b87aa2718dceeb8173a84b341fe3e4e59f9ca381056d3c547
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=1787797841&P2=404&P3=2&P4=YCfEULqy84V3rDJOgUC%2fIF2EbV0F6Pn8cRPp3E1W3GFwvChEWDYAHFqf1qM7vJk6r1nAywntefLf9J6Lagfg8Q%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=1787797892&P2=404&P3=2&P4=HflF5GaryQhaDCEIRdESwKhYFHXL8obJ9RMlRj3MVxL8eUpZKmsi%2fprnHea4pUn1L%2fpCthUegXkFP09qB6yCHg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787194617&P2=404&P3=2&P4=NxJcTi5U2KMg%2bZ0uyi6QHY6LWYJYGXypHoPKZNo7d6uhZdjAFAt2r08Zy8YbnqHdQuDVT92nq630tLKlF%2fKWzA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787194197&P2=404&P3=2&P4=MFX1uYGmYnS0fDxf6rw84M%2b21Tgi7RXFFwtxr0Il0qgnDh%2fOYVi0%2b50DiX6NwlKOQwsi8O%2bTNjbSgD6gpnYqMg%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.42.73.24
- 4.247.188.233
- 52.230.60.54
- 4.230.171.124
- 74.178.232.29
- 74.178.240.61
- 20.184.175.15
- 135.232.92.97
- 203.26.79.13
- 52.123.129.14
- 20.112.250.133
- 40.99.133.242
- 52.123.128.14
- 4.150.223.105
- 172.178.240.161
- 57.155.104.224
- 20.184.175.20
- 4.150.223.99
- 52.148.114.188
- 72.154.7.100
- 52.168.117.168
- 172.170.180.133
- 52.168.112.66
- 20.184.175.10
- 20.165.94.46
File paths
- X:\:`:d:h:l:p:t:x:
- X:\:`:d:t:
- m:\Gl
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report