MALICIOUS — 23ff3330de205b024bc8840b1298b16c091b43ef127abcba22f55445309935d4
MALICIOUS — 23ff3330de205b024bc8840b1298b16c091b43ef127abcba22f55445309935d4 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:
23ff3330de205b024bc8840b1298b16c091b43ef127abcba22f55445309935d4 - SHA-1:
43ce7a9ef1744c72e4b4a37cf2baf4b06d956df4 - MD5:
c406bf6ece663be1314d2a7076491296 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070d/Mr2ZiVG5CEQ1GPshYvWquAPU9XxQdTj:Qoa1taC0kZb5PQYEzquAS0P - TLSH:
T1345A239A5A5E6B0CE2F5C9843C2D111F8481E8E7633816CB91DFF04EB7C796B281158B - Submitted as: 23ff3330de205b024bc8840b1298b16c091b43ef127abcba22f55445309935d4
- File type: pe · Size: 1958408 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): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Backdoor.Win32.Salgorea.ic
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 28 external host(s) at runtime (26 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
99 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
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- msedge.api.cdp.microsoft.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\92EF.tmp -
ad242fe430ec8a048c3f96416da203010e29f11a4d4c6a35c4c3bd79bbebddd4 - e3f3d61066b45f206b2719fcbced89e8c73ba7efe1a91ecd9efa79cdd5afd33c -
e3f3d61066b45f206b2719fcbced89e8c73ba7efe1a91ecd9efa79cdd5afd33c
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=1787819162&P2=404&P3=2&P4=TZvV0tkd3liuyC5ZpchQtnz0dvuD9SDO%2bxdO7V7nGRdgan8il53HkYCIhBRLxlrf6E4JDnPJj%2fApLVQwMxrBbg%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=1787819249&P2=404&P3=2&P4=juOPzH58LULZb2fJDtM0nDP%2bDgCw%2fjGqlWxFqufrHPK8nwk1Zd6APek9CMM1szcp0TpadMYtTsPiUSgfnfv14w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.50.73.5
- 40.84.97.4
- 4.230.171.124
- 4.144.132.114
- 48.211.4.16
- 20.165.94.63
- 4.150.223.96
- 74.178.76.54
- 52.123.129.14
- 20.236.44.162
- 172.66.2.5
- 52.123.128.14
- 203.26.79.13
- 135.233.45.223
- 57.155.104.224
- 52.110.12.21
- 52.110.12.30
- 52.123.252.233
- 135.233.95.80
- 52.123.252.235
- 92.223.78.30
- 52.148.114.188
- 72.153.5.132
- 142.251.42.99
- 135.233.45.221
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report