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Severity
Medium
Analysis Summary
A malvertising attack distributing the malware Glupteba. This is an older malware that was previously connected to a campaign named Operation Windigo and distributed through exploit kits to Windows users. In 2018, a security company reported that the Glupteba botnet may have been independent from Operation Windigo and had moved to a pay-per-install adware service to distribute it in the wild. The activities of the actors behind Glupteba have been varied: they were suspected of providing proxy services in the underground, and were identified as using the EternalBlue exploit to move into local networks and run Monero (XMR) cryptocurrency miners.
Impact
Exposure of sensitive information
Indicators of Compromise
URLs
- okonewacon[.]com
- keepmusic[.]xyz
- lienews[.]world
- bigtext[.]club
- clubhouse[.]site
- playfire[.]online
- nxtfdata[.]xyz
- blackempirebuild[.]com
- phonemus[.]net
- venoxcontrol[.]com
- takebad1[.]com
Malware Hash (MD5/SHA1/SH256)
- 8591804d5f8feb97f07522145302e7e8c48915aaa05f126f5eb79ee99bda547a
- b2618747cf051309d882671402bfe78d4c0297e6b321c80d4ac33ee0e5d428e3
- b4be0ec52b20643ef4d3740cf471d4f570d7cc4be2a2ef33ed5c4ccfa7c025c9
- c1b76b5a3cec09416dacb32d446eb2d71618476e9cb6ade83bce731608728c32
- 20e983e90144c385996eeb2edb584d654d898c34725e149682170f870ee12870
- 1e71965e20aa50df21375a1db003e92823abacac1c1850c2d0922d43420e2d30
- b562ad8c740ba4549be9c7dc693c1f77bd2ba3bac33128769d5a7e079bfdedec
- 5486f07cccc300dd939b4936daeb37b83d4c818d1735470bf791b6fd112db25d
- 69c40f971402945d188a66e1fd9117965fd7c11af71514e3f8152a9c873b600d
- ab54f3f4851aa06ce6eccafc922f0fba6e5387bd0220fb2fbd45632a6fe6ace7
- 0dedb703da8d7aeae5d6f6da3e37b3d3fc42d0872b8470a81066a4491f2455f2
- 46f8d4dcdbec752ba57a682d62265221e0a2db67a37b5ccd851dcb44b907a32d
- 07d1ea5c0b4a1b437d2146fd9c918d72a16c2950d24d4c7f1f95f8409d2619b3
Remediation
- Block all threat indicators at your respective controls.
- Always be suspicious about emails sent by unknown senders.
- Never click on the link/attachments sent by unknown senders.