MALICIOUS — 8f1fa8529c1b505bba9274d0d5407d3047e21cb88861bc90e3b9910d02a9075a
MALICIOUS — 8f1fa8529c1b505bba9274d0d5407d3047e21cb88861bc90e3b9910d02a9075a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Expiro family. 4 of 56 detection engines flagged it.
Identification
- SHA-256:
8f1fa8529c1b505bba9274d0d5407d3047e21cb88861bc90e3b9910d02a9075a - SHA-1:
1be6b0e3546b19ff9c3ee754b209319d1d9c1932 - MD5:
ff65de75af49949ed70e61a5da961364 - imphash:
41721e0f933696d50ab32d544d64dcd3 - ssdeep:
12288:oUCmZiCk0CNKjY3ErvwPFsxxZu7k9KToIuZtH:eCk0AEwFExZnKToIuZ - TLSH:
T1394A8DA76761180FE7032B7A9477A50F90AAD8C9765634C012CF4F7F6E4838F6063A52 - Submitted as: 8f1fa8529c1b505bba9274d0d5407d3047e21cb88861bc90e3b9910d02a9075a
- File type: pe · Size: 442880 bytes
- Verdict: malicious (99/100) · Family: Expiro
Detections (4 of 56 engines)
- ClamAV (daily): Win.Virus.Expiro-9892811-0
- Microsoft Defender: Virus:Win32/Expiro.AB!MTB
- Emsisoft (Emergency Kit): Win32.Expiro.Gen.6
- Kaspersky (KVRT): HEUR:Virus.Win32.Expiro.gen
Why this verdict
The malicious score of 99/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Virus.Expiro-9892811-0 (rule
Win.Virus.Expiro-9892811-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Virus:Win32/Expiro.AB!MTB (rule
Virus:Win32/Expiro.AB!MTB) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Win32.Expiro.Gen.6 (rule
Win32.Expiro.Gen.6) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Virus.Win32.Expiro.gen (rule
HEUR:Virus.Win32.Expiro.gen) - engine signal, weight 0.55, confidence 0.85 - Contacted 4 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
22 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
- windows.msn.com
- www.msn.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- www.bing.com
- licensing.mp.microsoft.com
- th.bing.com
- fe3cr.delivery.mp.microsoft.com
Dropped files
- 820c8a47c6961b4ee79d2dedcd15c9bd0c0899bb0e9f721663401e59b051d9da -
820c8a47c6961b4ee79d2dedcd15c9bd0c0899bb0e9f721663401e59b051d9da
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded IP addresses
- 40.79.167.9
- 57.155.101.212
- 4.230.171.124
- 4.144.132.223
- 135.232.92.97
- 20.184.175.14
- 74.179.77.204
- 104.18.33.89
- 52.110.12.18
- 52.110.12.20
More Expiro samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report