SUSPICIOUS — a863f83c221a654b478fe67fa44bdc65acae3b2077855524a2985eace507fbaa
SUSPICIOUS — a863f83c221a654b478fe67fa44bdc65acae3b2077855524a2985eace507fbaa is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (66/100), attributed to the Agentb family. 3 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
a863f83c221a654b478fe67fa44bdc65acae3b2077855524a2985eace507fbaa - SHA-1:
6337901b48f3f4fa44dc1164ceaba6171e66a7cb - MD5:
9a8425b4d4d20572dd22ebe9e1bab91a - imphash:
802dcac7aab948c19738ba3df9f356d9 - ssdeep:
384:yQ3bXykJBqhz9QhtGSdYDTtS9XHSbOiQ3bXykJBqhz9QhtGSdYDTRS9XHSbO:ytrJ9Qhtn2KSOitrJ9Qhtn2mSO - TLSH:
T17E2FA66705A19D9BF617D6FB5480CF0D28F2E4F899B701D81D82DC0DA67CC5328A920E - Submitted as: a863f83c221a654b478fe67fa44bdc65acae3b2077855524a2985eace507fbaa
- File type: pe · Size: 32768 bytes
- Verdict: suspicious (66/100) · Family: Agentb
Detections (3 of 55 engines)
- Microsoft Defender: Trojan:Win32/Zexa.WE!MTB
- Emsisoft (Emergency Kit): Trojan.Agent.EYLR
- Kaspersky (KVRT): Trojan.Win32.Agentb.knto
MITRE ATT&CK
Why this verdict
The suspicious score of 66/100 is the fusion of 3 weighted signals:
- Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Contacted 21 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
29 behavior events · 0 ATT&CK techniques · 1 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\RNCSSVFLYP.exe -
390b830d0a01065dd84253a0afd504d8183891f1c4be4be2312b7a682408ea78
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=1787895356&P2=404&P3=2&P4=MOfFKGSpXTZ5Pvy0CnK5qFMGBQReLvr0X5Yz1X%2fT%2fRZi57%2fNwUBmiryiuR0%2bn2eadhhjUzGUbb2ZZR5W9Hcm1Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.150.223.105
- 172.215.188.232
- 4.230.171.124
- 20.247.184.197
- 74.178.76.128
- 74.178.76.54
- 104.208.16.94
- 74.179.77.204
- 20.231.239.246
- 52.123.128.14
- 52.123.129.14
- 40.104.4.2
- 4.247.188.224
- 20.42.65.84
- 203.26.79.13
- 172.178.240.162
- 52.148.114.188
- 135.232.92.34
- 72.154.7.103
- 52.110.12.15
- 52.110.12.32
File paths
- C:\Users\
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report