MALICIOUS — 3f5d66de096bd74dd30b8f07c17535135028defadde6d4e41d034ac8521f52be
MALICIOUS — 3f5d66de096bd74dd30b8f07c17535135028defadde6d4e41d034ac8521f52be is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (93/100), attributed to the Expiro family. 5 of 55 detection engines flagged it.
Identification
- SHA-256:
3f5d66de096bd74dd30b8f07c17535135028defadde6d4e41d034ac8521f52be - SHA-1:
10e03e83bd6126e3386de1e30331ea8fc2066ded - MD5:
68af87ac45610ad9fc9bcb57ecd7b9dc - imphash:
83665e66a39d760c9186ff74babfccf1 - ssdeep:
12288:uC9UMfg5Ih6QQYgQ2cK5jII+59R0V/buFTuwgp:uy00ZbmjLzuO - TLSH:
T1CA4B9DCB61093336E2118CF8BC16B46E9059F3D91875728C1A4ACF3E15D671FE8A252B - Submitted as: 3f5d66de096bd74dd30b8f07c17535135028defadde6d4e41d034ac8521f52be
- File type: pe · Size: 488960 bytes
- Verdict: malicious (93/100) · Family: Expiro
Detections (5 of 55 engines)
- ClamAV (daily): Win.Virus.Expiro-9891984-0
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Virus:Win64/Expiro.PABG!MTB
- Emsisoft (Emergency Kit): Win64.Expiro.Gen.6
- Kaspersky (KVRT): HEUR:Virus.Win64.Expiro.gen
Why this verdict
The malicious score of 93/100 is the fusion of 3 weighted signals:
- ClamAV (daily) flagged Win.Virus.Expiro-9891984-0 (rule
Win.Virus.Expiro-9891984-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 22 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
9 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
- oneocsp.microsoft.com
- www.msn.com
Embedded URLs
- https://aka.ms/lowdisk
- 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=1787926857&P2=404&P3=2&P4=SST5x21N89q6VmIzjAVyxp%2fk38NEc4c57XJak%2fbMgPQSTaj4ZDpqWYUloqCfIpQjdWxFyHs%2fyc9laHoD%2bRhF7w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- aka.ms
Embedded IP addresses
- 40.84.97.4
- 4.150.223.102
- 52.123.252.224
- 4.230.171.124
- 172.215.188.232
- 52.123.252.243
- 4.144.132.223
- 74.178.240.61
- 52.168.117.168
- 74.178.76.54
- 135.232.92.137
- 20.236.44.162
- 52.123.128.14
- 52.123.129.14
- 203.26.79.13
- 74.178.76.44
- 135.233.45.223
- 52.148.114.188
- 52.110.12.3
- 52.110.12.24
- 72.153.5.130
- 172.66.2.5
More Expiro samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report