MALICIOUS — 28c0220f66e057cfec48e65475af5f69c128088355fe7c1bb6fefa94c4d46cbe
MALICIOUS — 28c0220f66e057cfec48e65475af5f69c128088355fe7c1bb6fefa94c4d46cbe 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:
28c0220f66e057cfec48e65475af5f69c128088355fe7c1bb6fefa94c4d46cbe - SHA-1:
f2e915377b5b29ba27c3df903336ea351a75df64 - MD5:
a30bdd31ee20957a7cdf8264dccb910a - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dgsrf0bCTgb53etMxSgLNmhgUlx2H6M0:Qoa1taC0jsfgyMxSgLc9lxq6Z - TLSH:
T1605A239657096B0CE3F6C4803D29266DD442E4F6637C1A8F82CFF04D63CBA67682159B - Submitted as: 28c0220f66e057cfec48e65475af5f69c128088355fe7c1bb6fefa94c4d46cbe
- 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 18 external host(s) at runtime (19 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
100 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\3B1F.tmp -
b7528d0c7a5ade4bee9fe92f73ad4d9de4456aff1050d825d5e28e0d6e290731 - bf11596e4fa933f1409ec36cbd9a2440e6894c27e0f0f337f28791ef85f65a14 -
bf11596e4fa933f1409ec36cbd9a2440e6894c27e0f0f337f28791ef85f65a14
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=1787889052&P2=404&P3=2&P4=KpkZrgBwHou%2fNrugEgu71nv06iUWq%2bYyoDg%2bztMPPiScDzdlO%2bbHQWSB7EVDpq5zaK4vvQyk9kp%2fIS%2fwuQjhbw%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=1787889134&P2=404&P3=2&P4=KYJgPi8Weu3xq61Ky2FRr%2fAotf2qV5%2bc9y%2f7Vy%2fvaxg6aW%2bxEEsHiO5wmdWzZzKiAq1sDIygEZ1hy%2bzklzLOxw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 4.150.223.109
- 4.230.171.124
- 48.211.4.16
- 52.230.59.222
- 20.165.94.63
- 74.179.77.164
- 20.184.175.10
- 4.150.223.101
- 20.76.201.171
- 40.99.133.242
- 52.123.129.14
- 203.26.79.13
- 172.178.240.161
- 74.179.71.159
- 52.148.114.188
- 72.153.5.134
- 52.110.12.19
- 52.110.12.4
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report