MALICIOUS — 3b5fc11a03a5d306cec254ccddb1774a530f6aff2c660943bf6ce9df201ad865
MALICIOUS — 3b5fc11a03a5d306cec254ccddb1774a530f6aff2c660943bf6ce9df201ad865 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:
3b5fc11a03a5d306cec254ccddb1774a530f6aff2c660943bf6ce9df201ad865 - SHA-1:
8a62130a4b9047096d165f1e704d90f4a83e5118 - MD5:
4e5f132b51c65364db23556ea880734a - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:OFUcx88PWPOpX0SFa4wDQV4drtOX4CquIFa8JWidMVyGc:O+K88uPCHAzwQtBn45VyGc - TLSH:
T1E15A23C6A6695B48E6F2C8903D16267EC441E4D2C67C4C8A938FF11E73DB96B703106B - Submitted as: 3b5fc11a03a5d306cec254ccddb1774a530f6aff2c660943bf6ce9df201ad865
- 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 30 external host(s) at runtime (30 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
98 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
- c.pki.goog
- 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
Dropped files
- C:\Users\analyst\AppData\Local\Temp\E92D.tmp -
1ae490d7c6aa0290a560cfb006a660f61057cca878353fa6059b736b271edbd3 - 551e0037e767f1ce45bc8b29e7aa544c7a4dae7191df1afc37d35032cb7c09f2 -
551e0037e767f1ce45bc8b29e7aa544c7a4dae7191df1afc37d35032cb7c09f2
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=1787801456&P2=404&P3=2&P4=ZLSkk5x4fJBpGSZK89gGf8Z7q%2fauNjU1VKNDuYSX3q3p6WhMqRyNVR9V1GOPQuj6QYZ8LnKAxL4VwJkBDypAig%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=1787801500&P2=404&P3=2&P4=kn1fnxrGGs%2fX3UzuFfG2bkp2mgFKaNDX5wYNV%2bRDWFTM7Rtv3t6Dy7p%2ffSuYbsgp3DcpMsFEaiT0amV5LJWckQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- 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=1787198204&P2=404&P3=2&P4=WtdVO2imTZlTe7fseg%2bT44JqMAIXDNLgj80qzq0NI33QTB4vMt0olveMLCVyOIiPfTPUJrkZz3qN24n415dKDw%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=1787197763&P2=404&P3=2&P4=f9GO31MVE%2fRGX%2f3D5LoJhenzf899XqAWV%2fTSje1lSVQjrZb6tLMATZAyvs0dvX9Fkxn7h%2behZJUtHhJuOWsnyQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.50.201.205
- 57.154.63.210
- 4.144.132.223
- 4.230.171.124
- 20.165.94.63
- 74.178.240.51
- 52.168.117.168
- 20.76.201.171
- 52.123.128.14
- 40.103.64.242
- 52.123.129.14
- 20.42.65.89
- 203.26.79.13
- 135.233.95.80
- 135.234.160.245
- 52.123.252.219
- 52.110.12.28
- 52.110.12.2
- 52.148.114.188
- 162.159.142.9
- 72.154.7.97
- 57.155.101.212
- 48.199.12.1
- 52.168.117.171
- 4.150.223.110
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report