MALICIOUS — f284a00f103d4b311d0210404bab90e2777cbac6bff963e0ec2c48d2c6b03ba1
MALICIOUS — f284a00f103d4b311d0210404bab90e2777cbac6bff963e0ec2c48d2c6b03ba1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f284a00f103d4b311d0210404bab90e2777cbac6bff963e0ec2c48d2c6b03ba1 - SHA-1:
d364696ff0fc05e2309201764b28fb161529ee81 - MD5:
d3b4fda17824de2dabbe236edb8c1785 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SF/VYXlue+biyNwjyPzJR7isyGc:O+K88uPCHlSgekh6W1UsyGc - TLSH:
T1755A23C1A61A5B49E3F2D8803D19226E8541B5D6837C198E538FF12E73C787B783219B - Submitted as: f284a00f103d4b311d0210404bab90e2777cbac6bff963e0ec2c48d2c6b03ba1
- File type: pe · Size: 2089472 bytes
- Verdict: malicious (96/100) · Family: Zusy
Detections (4 of 55 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: Trojan:Win32/Salgorea!pz
- Emsisoft (Emergency Kit): Trojan.GenericKDZ.110085
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.ie
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 4 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - 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 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 24 external host(s) at runtime (26 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
102 behavior events · 1 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
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\FFE6.tmp -
c74870d074098aaa36f532fd571a2971161edf58c006c601d6b3f2a08f42ed29 - 604d42e5aa64818a0c97b77d1cef835206078048b64452be0f3db5a0e21ef714 -
604d42e5aa64818a0c97b77d1cef835206078048b64452be0f3db5a0e21ef714
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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=1787860291&P2=404&P3=2&P4=BbVYgEckXUi%2fFQTY7tMucDZrTqgWvHYIfaqXPQcoG6Fie7BWHjuLxkG0MXQ%2fKpniQ65PoQGj7coalpvPrG6LxA%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=1787860343&P2=404&P3=2&P4=g9gQ8QyHlPZxKs%2f4vSzFmgCHnjcv9AQn092KQa9DU51NfafcoS%2fPxl0V%2bc0uh3EJLah0%2bXlGImYkvTH3oAKghg%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=1787257054&P2=404&P3=2&P4=dTU4pQTUrycfZBkhREnA2CMCiZc%2faoEf%2bEp1mkRX2yjc1Goz44ifMCOg8Yza7RihX4jrLdnLSHTTHQWO9qePTA%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=1787256559&P2=404&P3=2&P4=QURJ5ko7nDHepoLxKmUdwc3S0SwtdY2fn3l94oOs9mervz6uvgmDsKT0h4sok6i6nJiHKSff5%2fjGCLGXNaB2mQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.97
- 4.144.132.223
- 20.247.185.124
- 4.230.171.124
- 85.210.193.152
- 57.154.63.210
- 74.178.240.61
- 4.150.223.96
- 74.179.77.164
- 20.236.44.162
- 52.123.129.14
- 52.123.128.14
- 20.42.73.31
- 135.234.160.244
- 203.26.79.13
- 74.178.76.44
- 52.148.114.188
- 72.145.35.103
- 172.170.180.133
- 13.89.179.15
- 20.42.73.26
- 135.233.95.80
- 52.110.12.28
- 52.110.12.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report