MALICIOUS — a3a7d4c7eb30772eee6d897dd84f4f9c15b990fac7c7bc0630c9e411279766dc
MALICIOUS — a3a7d4c7eb30772eee6d897dd84f4f9c15b990fac7c7bc0630c9e411279766dc 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:
a3a7d4c7eb30772eee6d897dd84f4f9c15b990fac7c7bc0630c9e411279766dc - SHA-1:
d80f002b6c8140e0de400a20463a81b3e6fe3e40 - MD5:
8709b516c759035fe178c3c207fd9b56 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFgFHyH63TQKFkxLdCxoU6uBvDwfESyGc:O+K88uPCHTH63TZqAsuBsRyGc - TLSH:
T1845A23C596299B09F6F1E1403C1D277D8042F9E69BBD088A824FF12E73D746B643219B - Submitted as: a3a7d4c7eb30772eee6d897dd84f4f9c15b990fac7c7bc0630c9e411279766dc
- 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 26 external host(s) at runtime (19 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\465A.tmp -
4548d236353875be9b774c48e68a413fd90bbf9a60907c4440a1f1804e6d9069 - 452d37ac1274c3d4e7635d7314dd28785c8ab0f03dde8895ff7f0b1bd638272f -
452d37ac1274c3d4e7635d7314dd28785c8ab0f03dde8895ff7f0b1bd638272f
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=1787792797&P2=404&P3=2&P4=XD8IOdH6H0V8UBRyhDphNefFhM7JoRInXSqELSknCWrwsLo1YUysSzWexo7UGK2DKjWILhlMD8zyL%2f1OeTucCA%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=1787792831&P2=404&P3=2&P4=Y4bwj3Iguz0SgPKeMro8e9FB5HiZ0ePmuTD6nJRCbh%2fUQ1C3PitIB%2baSFCx9Q4orVu4hHg57H%2fQjeqvW9kGIRA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.184.175.14
- 4.247.188.233
- 52.253.84.76
- 20.42.179.204
- 4.230.171.124
- 57.155.101.212
- 20.165.94.63
- 135.233.95.135
- 4.207.44.77
- 20.112.250.133
- 52.123.129.14
- 40.99.133.242
- 52.123.128.14
- 172.178.240.162
- 172.66.2.5
- 52.110.12.5
- 52.110.12.4
- 203.26.79.13
- 52.148.114.188
- 52.123.252.226
- 74.178.232.29
- 20.184.175.5
- 20.42.65.85
- 72.154.7.98
- 52.110.12.37
More Zusy samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report