MALICIOUS — 48b844291a8dfe82f29bdd21f3f7d26c3e0c7fccc54180c924023a667f9237b4
MALICIOUS — 48b844291a8dfe82f29bdd21f3f7d26c3e0c7fccc54180c924023a667f9237b4 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:
48b844291a8dfe82f29bdd21f3f7d26c3e0c7fccc54180c924023a667f9237b4 - SHA-1:
d4bad4f2158be8f7822339220bad4e892af809e5 - MD5:
6125b0cc043eb44c135eb06b39ce7f77 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFh6Zzr0nX8GuYMGvizQRXlNIs4KlyGc:O+K88uPCHeSnX8uMyi+4sXyGc - TLSH:
T1F05A23C25A299709E7F2D4A03C19279EC141E6D6977C188F428FF11E73DB8AB603119B - Submitted as: 48b844291a8dfe82f29bdd21f3f7d26c3e0c7fccc54180c924023a667f9237b4
- 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 28 external host(s) at runtime (28 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
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- msedge.api.cdp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\F255.tmp -
43d6bf8bbe7cf54c7d5e3d3cfd5dece94916a896d7322f97d29a3018e66ec285 - 1d197393c7a908c28592482fe1304cd869a7b490152ffd3c0d936997d57c11eb -
1d197393c7a908c28592482fe1304cd869a7b490152ffd3c0d936997d57c11eb
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787884262&P2=404&P3=2&P4=EF%2fyI7a8HqJR%2bhj8HoFGKbVSr73Jjs5sszPxvtWGN2ju%2bOT%2b8Cf6qYALOYpyRDz9neUT7gpFbALy3uoNMo%2bO8w%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=1787884308&P2=404&P3=2&P4=BkpQVZ2mT0q0lx7OmcFQ7d7V1JRWH2LkmiHlOM2hJJOyhSNlDs28O8jpIxU9ZJ8lTQt4mbPeFv1qKBFJhUDRVw%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=1787281097&P2=404&P3=2&P4=B9neivnvyuFVs31%2bk5OpyBhvJhV%2flgVKwIJSBTHRMDHVj1qw1WLvICfsr6kbhRcf6xK3VM41Ze8cBdzg35XYWg%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=1787280627&P2=404&P3=2&P4=K0lghd0EEd4OjT%2buelhpPYcdv4z0kOK77eV0bmxesuEPRkXufqCa4eTJn1VfO3rw1eSTb9q1gh0tnG97Dus2jg%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 104.208.16.94
- 52.123.252.247
- 20.247.185.124
- 52.123.252.235
- 4.247.188.233
- 4.230.171.124
- 135.233.95.144
- 74.178.76.54
- 20.42.65.88
- 4.150.223.102
- 203.26.79.13
- 20.76.201.171
- 52.123.128.14
- 40.103.64.242
- 52.123.129.14
- 74.179.71.159
- 172.178.240.161
- 52.110.12.56
- 52.110.12.10
- 52.148.114.188
- 72.154.7.112
- 57.155.101.212
- 48.192.143.121
- 4.150.223.103
- 20.50.201.201
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report