MALICIOUS — 8fa6c5deb0c7376fa3371f14c8b8f120f60e0f74a5571022cc9029c4abfc2641
MALICIOUS — 8fa6c5deb0c7376fa3371f14c8b8f120f60e0f74a5571022cc9029c4abfc2641 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:
8fa6c5deb0c7376fa3371f14c8b8f120f60e0f74a5571022cc9029c4abfc2641 - SHA-1:
e126a01451380a9d4e3d79dabdeed405f05bd6c6 - MD5:
cf2f00d85caf4b09c4f6830776ba5a1e - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dpV1LTOqIZm5gZfm6D6m5vK/Et:Qoa1taC0ke1Zm58yQvME - TLSH:
T1735A234956067B0CE2F6C4493D1E26BEC442A8F7533826CE828FF15E63D7A67381119B - Submitted as: 8fa6c5deb0c7376fa3371f14c8b8f120f60e0f74a5571022cc9029c4abfc2641
- 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 26 external host(s) at runtime (21 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\38ED.tmp -
e33278be743cd9dc936b171e66443f0a57c82b4f450e2a7c39166a8f386a1ffd - 04e1d2cd9d6ff065e0d5f1cfadd13e952bd7a81d127b5b4f0381a4c8542f4a19 -
04e1d2cd9d6ff065e0d5f1cfadd13e952bd7a81d127b5b4f0381a4c8542f4a19
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=1787800581&P2=404&P3=2&P4=iKVmGtLyKzoH0WebwX4Jk9hPzM4AnmcszM%2fJeRVNYKhuGSsUrNeWI6C3CKT%2fA1rpXh3eyqRA7P7XepPRnN7Y2g%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=1787800627&P2=404&P3=2&P4=VpuWeyzSicChPJeJwdJ6OCKgcbKW0dDcMFzl0LDZUWtOyAHZdz3xGyh1VQOv0qalglUg6T7N%2bEVMp%2fLiDGp08Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- 9.pw
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.103
- 52.253.84.76
- 4.247.188.224
- 4.230.171.124
- 74.178.240.61
- 4.150.223.113
- 20.165.94.54
- 92.223.78.30
- 20.231.239.246
- 52.123.129.14
- 52.123.128.14
- 172.66.2.5
- 40.99.134.18
- 20.42.73.25
- 135.233.45.223
- 52.123.252.241
- 52.123.252.223
- 135.233.95.80
- 203.26.79.13
- 52.148.114.188
- 20.42.179.192
- 52.110.12.24
- 52.110.12.44
- 72.154.7.114
- 52.110.12.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report