MALICIOUS — 603d2a3762c6c0b592a3cae88df4b605f6693e504231bdeb85a3ad512886ef38
MALICIOUS — 603d2a3762c6c0b592a3cae88df4b605f6693e504231bdeb85a3ad512886ef38 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:
603d2a3762c6c0b592a3cae88df4b605f6693e504231bdeb85a3ad512886ef38 - SHA-1:
a9a1b0ab62c1d70437da88c8fbbb465df8f3efd6 - MD5:
50d852e6d3e8eba5a20a6939bb47bf63 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070d9zrmSKUIrVs4iONoGlrGce1mqtnq:Qoa1taC0kzrxKvrniwoC88Sq - TLSH:
T1605A238A92197B0CE2F6C4547D2A212E9441D4DB933D19CB918FF06EB7C792778201EB - Submitted as: 603d2a3762c6c0b592a3cae88df4b605f6693e504231bdeb85a3ad512886ef38
- 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 23 external host(s) at runtime (30 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
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- msedge.api.cdp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\C828.tmp -
b670bc3c5b3176e3f7b66767fa32cc550d133b4198dff3e3dfecef4969ca88a6 - 856f78bec95cb7d7c68138f631a3b6f99bb10df43b4fc0e9ba0b6021eb0b0a37 -
856f78bec95cb7d7c68138f631a3b6f99bb10df43b4fc0e9ba0b6021eb0b0a37
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=1787861762&P2=404&P3=2&P4=jTGhfiCelHoFiigy%2fMO%2fHDA9yTNqabiagkhu9EL%2fm7l%2bgUWADo4JZiv6y1VvptG7NgCE34nJNBVpsMZYIFTitg%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=1787861794&P2=404&P3=2&P4=f7Y6QQ4gC3CvOxTq%2fAsAoLYTbp0etQ%2bfbVZjXhka57eI6puduMCsXcZcthFHVzmZNOXvLmL27rJuVQ4BYGdujg%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=1787258509&P2=404&P3=2&P4=hmU284vSaUmKRja3e8j9Ap7rCFAK%2bjBbFKAu3EfqQfB02OQxM0X6uC1kB%2fs8IIm1Tz4sH%2bgQ37jfpmbxtBOM1Q%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=1787258109&P2=404&P3=2&P4=UhslSXfbvBDzfEEogcJ1i2gTrw0fjbsaMKE1Tr6oCDyEIgEm4qfDeFEioBfVMc2bZZLgrWhHD7TZcZYZs45%2f%2bQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- q.kr
- schemas.microsoft.com
Embedded IP addresses
- 104.46.162.230
- 172.215.188.232
- 4.230.171.124
- 52.230.60.54
- 135.233.95.144
- 135.232.92.97
- 4.150.223.102
- 20.231.239.246
- 52.123.128.14
- 203.26.79.13
- 74.178.76.44
- 52.123.252.226
- 172.178.240.161
- 20.184.175.17
- 51.105.71.137
- 52.148.114.188
- 72.145.35.111
- 51.104.15.253
- 48.199.12.1
- 52.168.117.171
- 52.168.117.175
- 52.110.12.28
- 52.110.12.32
File paths
- g:\m]37
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report