MALICIOUS — 85546539d0e21e32695d58fc9d78a5794530f6f20f8d56a65d0db94baaf3ac37
MALICIOUS — 85546539d0e21e32695d58fc9d78a5794530f6f20f8d56a65d0db94baaf3ac37 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Czyk family. 5 of 55 detection engines flagged it.
Identification
- SHA-256:
85546539d0e21e32695d58fc9d78a5794530f6f20f8d56a65d0db94baaf3ac37 - SHA-1:
4018ba745300156845f8c29e90efc9ed7ff4be16 - MD5:
9cc10162060452881824e9df8d643861 - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
1536:D76zc84sWjcdU8wkpcexm1ISPiWYqIoUNUwipO:f8nU8wW28qRUNEp - TLSH:
T1E0393ADDA21BB735D376EA207D015D5CA0E6B0DB62BD38190C83C46F32925BBA87444E - Submitted as: 85546539d0e21e32695d58fc9d78a5794530f6f20f8d56a65d0db94baaf3ac37
- File type: pe · Size: 90112 bytes
- Verdict: malicious (94/100) · Family: Czyk
Detections (5 of 55 engines)
- ClamAV (daily): Win.Malware.Czyk-9848232-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Trojan:Win32/Wacatac.B!ml
- Emsisoft (Emergency Kit): Trojan.Agent.CZYK
Why this verdict
The malicious score of 94/100 is the fusion of 4 weighted signals:
- ClamAV (daily) flagged Win.Malware.Czyk-9848232-0 (rule
Win.Malware.Czyk-9848232-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 28 external host(s) at runtime (27 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
52 behavior events · 0 ATT&CK techniques · 0 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
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- licensing.mp.microsoft.com
- oneocsp.microsoft.com
Embedded URLs
- 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=1787890292&P2=404&P3=2&P4=C3td8jnUlFob7RyQZlwetvVdaBolGOWZjVuT5VTEdLfZeYzX7XsfL%2fLBJXyCxik2EbHVUReAWybgVf0AYi6SxA%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=1787890323&P2=404&P3=2&P4=P5iJfwBltUCe%2bLSQ2vJScrhIaFSoRrHlwuTQxnvAT4b9UY%2bzeSQw4iQn7UgOdETT9P4KdeviiUS0oLiB8IjM5g%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=1787286955&P2=404&P3=2&P4=Ze1%2biE4TUkOAyISYmfNyYDmBpZfjq6TsY%2fN9JddMQMrBnmne9upufmx0IdJoRrFeXbOVM2XqL0lUttDBJEl48Q%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=1787286555&P2=404&P3=2&P4=jENWfXH9gL1Vsx%2bkrjUfR9A3LjUwuUTS6aOh%2bckq8YZlTPA1QPIk5PiObqrqhH9tDirTgauj901RHIAMVtCK9Q%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.150.223.113
- 172.215.188.232
- 52.123.252.203
- 4.144.132.114
- 4.230.171.124
- 57.154.63.210
- 74.178.240.61
- 135.232.92.97
- 20.50.201.195
- 74.178.76.128
- 20.231.239.246
- 52.123.128.14
- 52.123.129.14
- 135.233.45.223
- 135.232.92.34
- 203.26.79.13
- 52.110.12.2
- 52.110.12.8
- 52.148.114.188
- 135.233.45.222
- 52.123.252.222
- 48.192.143.121
- 52.182.143.212
- 4.150.223.99
- 20.184.175.19
File paths
- C:\Users\xhsund\Desktop\trunk\trunk\Release\CodeHandler.pdb
- C:\Windows\inf\MSDTC
More Czyk samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report