MALICIOUS — d3691aa51abe8c592fd4b891c94df64d4bb4f833a9bf8b984aace48e83b27970
MALICIOUS — d3691aa51abe8c592fd4b891c94df64d4bb4f833a9bf8b984aace48e83b27970 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:
d3691aa51abe8c592fd4b891c94df64d4bb4f833a9bf8b984aace48e83b27970 - SHA-1:
54567f8b2175a92e0732446cd3effaebb9222acd - MD5:
5f9f4ea884efc9b62601f91393835ce6 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFN/EinyE1qxZb4HECSeaxvIyGc:O+K88uPCHj/EiyE1qxZ8HErvIyGc - TLSH:
T1A05A23C5AA298B0DF7F5C590281535AEC842F8DA96BC498E424FF11E37DBA67343104B - Submitted as: d3691aa51abe8c592fd4b891c94df64d4bb4f833a9bf8b984aace48e83b27970
- 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 21 external host(s) at runtime (23 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
- desktop-hsgcbep
- login.live.com
- ocsp.digicert.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\F2A8.tmp -
9f2d21c338f64294541da17e8260a77cd4436d8cd9e0f89fcb269c16e75004ac - 9e6d7c9f613e24ab5ac49655d3488ebfcc6a078c2317568d4ba00288554661b4 -
9e6d7c9f613e24ab5ac49655d3488ebfcc6a078c2317568d4ba00288554661b4
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=1787727882&P2=404&P3=2&P4=Hl6wvixDWz35Xx68fpGU5eftrPA1UB6g2Dl%2bfpO1lvp5tdEEVr3TVTzZDc2PnDy0WqLSkuwzL7XsTEdH8oDGWg%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=1787727948&P2=404&P3=2&P4=CxZlOFHZVt8%2bXEWo4Vt6NzAHwOGtaKjOFTFEsbbpgoy4u3OpzAvmzkXRswewF%2bxq%2biujTLfNDCelcy0MASgspQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 52.138.229.67
- 4.230.171.124
- 52.230.60.54
- 40.84.85.40
- 74.179.77.204
- 20.42.73.31
- 74.178.76.54
- 20.236.44.162
- 52.123.128.14
- 40.103.64.242
- 203.26.79.13
- 135.234.160.246
- 52.110.12.32
- 52.110.12.45
- 135.232.92.34
- 52.148.114.188
- 92.223.78.30
- 72.145.35.99
- 74.179.71.159
- 52.110.12.30
- 52.110.12.25
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report