SUSPICIOUS — 4026b75c553a5e50c99d1b8e2790f810c79c35c559206475ba5b1b0601391cf5
SUSPICIOUS — 4026b75c553a5e50c99d1b8e2790f810c79c35c559206475ba5b1b0601391cf5 is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (67/100), attributed to the Agentb family. 3 of 52 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
4026b75c553a5e50c99d1b8e2790f810c79c35c559206475ba5b1b0601391cf5 - SHA-1:
647e8c6acd91c1cccbe9848b4a456b9626ece6da - MD5:
d8fc1d0e2720d441a105438fd8a5ed28 - imphash:
802dcac7aab948c19738ba3df9f356d9 - ssdeep:
768:ytrJ9Qhtn2bSOitrJ9Qhtn2ISOitrJ9Qhtn2SSOitrJ9Qhtn2ISO:ytri2GOitri2xOitri2/Oitri2xO - TLSH:
T12936A66705A19D9BF617D6FB9480DF0D28F2E4F899B701D81D82DC0DA67CC5328A920E - Submitted as: 4026b75c553a5e50c99d1b8e2790f810c79c35c559206475ba5b1b0601391cf5
- File type: pe · Size: 65536 bytes
- Verdict: suspicious (67/100) · Family: Agentb
Detections (3 of 52 engines)
- Kaspersky (KVRT): Trojan-Dropper.Win32.Agentb.kh
- Microsoft Defender: Trojan:Win32/Zexa.WE!MTB
- Emsisoft (Emergency Kit): Trojan.Agent.EYLR
MITRE ATT&CK
Why this verdict
The suspicious score of 67/100 is the fusion of 3 weighted signals:
- Dropped a suspicious payload: d8770607edd47080c145892c85780955c844fe592df5dac6aaae9b7a9e8a4bfb - dynamic signal, weight 0.50, confidence 0.90
- Contacted 39 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
31 behavior events · 1 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
- /opt/CAPEv2/storage/analyses/30164/files/d8770607edd47080c145892c85780955c844fe592df5dac6aaae9b7a9e8a4bfb -
d8770607edd47080c145892c85780955c844fe592df5dac6aaae9b7a9e8a4bfb
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/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/2cbcf400-ac8d-4d86-9d69-c7f0dff56d2e?P1=1787076331&P2=404&P3=2&P4=Mc4XwoaaEiunhiN8WI8%2f56k%2bDbPP2tcG4Vhap5IJoIZ%2b%2b0aKHIB3pd8gey7KO65TFfELlbt%2bOZ%2fBl7Ib5bMbAw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 51.104.15.252
- 172.215.188.225
- 4.230.171.124
- 52.230.59.222
- 20.42.179.204
- 74.179.77.204
- 135.232.92.97
- 4.150.223.110
- 142.250.195.131
- 52.182.143.212
- 52.123.252.231
- 20.112.250.133
- 52.123.128.14
- 52.123.252.198
- 135.233.95.80
- 203.26.79.13
- 52.148.114.188
- 52.110.12.53
- 135.234.160.244
- 72.145.35.98
- 52.110.12.42
File paths
- C:\Users\
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report