MALICIOUS — 581a71397f5e4ddbb504bd49b4b4cd2ece49d80c6d1690105d0958e9f34d1ce4
MALICIOUS — 581a71397f5e4ddbb504bd49b4b4cd2ece49d80c6d1690105d0958e9f34d1ce4 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (90/100), attributed to the Expiro family. 4 of 55 detection engines flagged it.
Identification
- SHA-256:
581a71397f5e4ddbb504bd49b4b4cd2ece49d80c6d1690105d0958e9f34d1ce4 - SHA-1:
c221b73f52e6e018ddfd6b7b7b8da9b1f2d39508 - MD5:
d808be268b3735db38f517300f259aeb - imphash:
41721e0f933696d50ab32d544d64dcd3 - ssdeep:
12288:sUCmZiCjyXVxWwS2O2NsmZFj5BPN+22rYDb:qCjyXuevmmZFj5BPN+22kb - TLSH:
T1064A9FAA6E5118C7E25038B99C27960F93BBC8C537620B20538F4F7FED4938F6051996 - Submitted as: 581a71397f5e4ddbb504bd49b4b4cd2ece49d80c6d1690105d0958e9f34d1ce4
- File type: pe · Size: 442880 bytes
- Verdict: malicious (90/100) · Family: Expiro
Detections (4 of 55 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 90/100 is the fusion of 2 weighted signals:
- ClamAV (daily) flagged Win.Virus.Expiro-9892811-0 (rule
Win.Virus.Expiro-9892811-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 19 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
21 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
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- 3cb9fad8c199aa800de933d8826785865ff0014d8acf3aa3b95610a899edce08 -
3cb9fad8c199aa800de933d8826785865ff0014d8acf3aa3b95610a899edce08
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787844672&P2=404&P3=2&P4=hMVCMbjxR7%2bOA2xJaLPcAq5Lh%2bUs5ACCijf8v0zvEwOJ7lgoN8xfpxpZ7mflG18mrUMVGeA9SPkNy%2fXjzTEdHA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 51.116.253.169
- 4.144.132.114
- 40.84.97.4
- 4.230.171.124
- 20.165.94.63
- 20.42.73.26
- 40.99.134.2
- 20.236.44.162
- 52.123.128.14
- 52.123.129.14
- 135.233.45.221
- 135.233.95.135
- 203.26.79.13
- 74.178.76.44
- 52.110.12.4
- 72.145.35.103
- 52.148.114.188
- 52.110.12.40
- 104.46.162.230
More Expiro samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report