MALICIOUS — 25d39013fb3b68476cec6687f98a1527fd4dfada37873b460b58958dc1d64036
MALICIOUS — 25d39013fb3b68476cec6687f98a1527fd4dfada37873b460b58958dc1d64036 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:
25d39013fb3b68476cec6687f98a1527fd4dfada37873b460b58958dc1d64036 - SHA-1:
a3645d92300b7b47fb10816b07328844b18ab189 - MD5:
bfdb38531b0f08a48955bfc0b61717d8 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFTTghG9yg6XDwQnBqoGodLosMtLVy04ZyGc:O+K88uPCHy8yPrnTGgItLVy0ayGc - TLSH:
T1C75A22955A258B48E2F3C8502C1A26AEC442F4E6D67C19CB438FF02D77DB56B24211AF - Submitted as: 25d39013fb3b68476cec6687f98a1527fd4dfada37873b460b58958dc1d64036
- 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 32 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- settings-win.data.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\A733.tmp -
669689d69954e033e9ae41fcfe1fdebbecf3a4cf39f3dd2b5ab75b576e551264 - 767993121d1977437255a2d343d48d56682fcca3c6458bfe49aca6351bc3cd5b -
767993121d1977437255a2d343d48d56682fcca3c6458bfe49aca6351bc3cd5b
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=1787809879&P2=404&P3=2&P4=W2GGg%2fV1m%2bNFzR4RmuhXR4GSQoTPoz9eiJVzUYK5mt1aY2SkMLppunFgMs6hNkKdIQBnGaBAONSYUeQK2R6JPg%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=1787809906&P2=404&P3=2&P4=j6u7liFJtGJ1ngtgo4%2fRgGvFRS%2bYecGOiwOgpQFwjlmYmonq%2bWx8cxMqXunnVkWi8kCPPn6%2f4LHz66NXgmhEow%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=1787206554&P2=404&P3=2&P4=HYzj57meGqtpz1c8OqGU6Qc942YUnSCRXRndoR0fuT4Z0LT%2bWonPyJFrSka0tut3uMwJ1U%2fh4qeNMcsIxIXNMQ%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=1787206160&P2=404&P3=2&P4=gF1jRZQm9svQiPh9VAVjc%2f8ltfAtUougKBcyb7KOAgzJjdVKh3pwGAQVVDFhLzGYmAI01lvIOQhzZd3wPPAfmQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 52.168.112.66
- 52.123.252.242
- 57.155.104.224
- 4.230.171.124
- 20.247.184.142
- 135.233.95.144
- 4.150.223.113
- 135.232.92.97
- 52.178.17.235
- 52.123.129.14
- 20.76.201.171
- 52.123.128.14
- 172.66.2.5
- 40.103.64.242
- 52.123.252.238
- 135.233.45.221
- 203.26.79.13
- 74.178.76.44
- 52.123.252.193
- 52.110.12.18
- 52.110.12.46
- 52.148.114.188
- 52.123.252.246
- 125.56.205.17
- 125.56.205.32
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report