SUSPICIOUS — a222b71445de5befc1ccb4d14a3865676c74d08c6dd464a3e92106284c2f640d
SUSPICIOUS — a222b71445de5befc1ccb4d14a3865676c74d08c6dd464a3e92106284c2f640d 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:
a222b71445de5befc1ccb4d14a3865676c74d08c6dd464a3e92106284c2f640d - SHA-1:
4e70aaf95c205756a9e8c0476ed7672ec254337d - MD5:
6390058a44329ab69073f48a755c7839 - imphash:
802dcac7aab948c19738ba3df9f356d9 - ssdeep:
768:ytrJ9Qhtn2WSOitrJ9Qhtn2lSOitrJ9Qhtn29SOitrJ9Qhtn2lSO:ytri2zOitri2kOitri2sOitri2kO - TLSH:
T1AD36B76705A19D9BF617D6FB5480DF0D28F2E4F899B701D81E82DC0DA67CC5328A920E - Submitted as: a222b71445de5befc1ccb4d14a3865676c74d08c6dd464a3e92106284c2f640d
- File type: pe · Size: 65536 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-Dropper.Win32.Agentb.kh
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 20 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)
31 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
- officeclient.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\EFDALZTOHG.exe -
a6de203fc1219c4f7cc74b947eaa0e272b2f3d4c5db08b4c371c24561ead8002
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=1787871056&P2=404&P3=2&P4=ma3E4fm2igiRHCJ%2b%2bPOtfwd8aF61BCxEW9lqXE3WCD4F6kwtZlV%2fC8NXLY80xbojdHWwhbxRUkJRPrPzhVRNvQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.184.175.12
- 57.155.101.212
- 4.230.171.124
- 20.247.184.142
- 74.179.77.204
- 74.178.240.51
- 135.232.92.137
- 20.42.65.94
- 20.112.250.133
- 40.99.134.18
- 40.103.64.242
- 52.123.129.14
- 52.123.128.14
- 203.26.79.13
- 135.234.160.244
- 72.145.35.98
- 74.178.76.44
- 52.148.114.188
- 52.110.12.5
- 52.110.12.24
File paths
- C:\Users\
More Agentb samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report