MALICIOUS — 507bbb2cc750673fbd54c4771d7f3405a28029ed9ea6d4d0f29583498a312ca5
MALICIOUS — 507bbb2cc750673fbd54c4771d7f3405a28029ed9ea6d4d0f29583498a312ca5 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:
507bbb2cc750673fbd54c4771d7f3405a28029ed9ea6d4d0f29583498a312ca5 - SHA-1:
05506d2afa4dfddd900a7245344570145f175170 - MD5:
1b7977650e0c8aefc9e8e1418c0dd748 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFAgQ7bbrA/Rg8Wh7eGaRWrR7iGh69FyGc:O+K88uPCHyJvApg8WeOizbyGc - TLSH:
T1D45A23C6861A9B0CE7F3D4403C166A7E8041F9D69BBD098A428FF21E77DB5A3247105B - Submitted as: 507bbb2cc750673fbd54c4771d7f3405a28029ed9ea6d4d0f29583498a312ca5
- 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 (21 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
- config.edge.skype.com
- v20.events.data.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\3F75.tmp -
cd71abd687347a84a0fabdf48b35c633dfd7ee06e91418ce1d2265a7e56ac911 - c5a49d56d0d003156882ab70937ba62afe86258c65c87da8b37adafc66bbde91 -
c5a49d56d0d003156882ab70937ba62afe86258c65c87da8b37adafc66bbde91
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=1787883093&P2=404&P3=2&P4=a1L%2fnP9arFueQ92wNMt5Sxic%2fHezAEpiX6vi99oasLX6OzwXx9clis39ZlfARwLF70Mmx%2bhxyrjY8FYNj1cuWA%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=1787883193&P2=404&P3=2&P4=NmCHa95OgMgXQg1mgt9CTxCav6nwmVuRZHMgOYQjXNBA0IRAoQOYQTXwA73wVO8EyenR8uVyyO0JsqJUORbYEQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- 5.ai
- schemas.microsoft.com
Embedded IP addresses
- 52.123.252.219
- 13.89.179.12
- 4.230.171.124
- 52.253.84.76
- 85.210.193.152
- 135.233.95.144
- 135.232.92.97
- 20.50.73.5
- 40.103.64.242
- 20.236.44.162
- 40.99.133.242
- 52.123.128.14
- 52.123.129.14
- 172.66.2.5
- 51.132.193.105
- 135.234.160.244
- 92.223.78.30
- 203.26.79.13
- 52.148.114.188
- 52.110.12.24
- 52.110.12.55
- 52.123.252.244
- 135.233.95.80
- 52.123.252.225
- 52.123.252.247
File paths
- f:\QN
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report