General

  • Target

    Silvestras Premium Proxy.zip

  • Size

    4.6MB

  • Sample

    250102-gyzneaxlfx

  • MD5

    c896589cb776f360eb2b6f145f3f53f2

  • SHA1

    5660dfaeeda5ff7594b8b3ea68e290331364b33a

  • SHA256

    e2309c682f782d178c25ed497026f05e6528bf3de4869ac7d7530a6360895592

  • SHA512

    c1c12a77f8bdb89a8a5e442317444e087513b66321822961b14e2c63818932ed6d36b3dd1057622c03325d7085488199e2243d3f5b3f92f3d15d5fefa7edb20b

  • SSDEEP

    98304:jNQB3kVkq8KsLyQgIElkFF2dDix2dfPkDgvm3mDWx7ykyUQ:jNZkqxsW+FU1I6fcDYWVyUQ

Malware Config

Targets

    • Target

      Silvestras Premium Proxy.zip

    • Size

      4.6MB

    • MD5

      c896589cb776f360eb2b6f145f3f53f2

    • SHA1

      5660dfaeeda5ff7594b8b3ea68e290331364b33a

    • SHA256

      e2309c682f782d178c25ed497026f05e6528bf3de4869ac7d7530a6360895592

    • SHA512

      c1c12a77f8bdb89a8a5e442317444e087513b66321822961b14e2c63818932ed6d36b3dd1057622c03325d7085488199e2243d3f5b3f92f3d15d5fefa7edb20b

    • SSDEEP

      98304:jNQB3kVkq8KsLyQgIElkFF2dDix2dfPkDgvm3mDWx7ykyUQ:jNZkqxsW+FU1I6fcDYWVyUQ

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detects Eternity stealer

    • Eternity

      Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

    • Eternity family

    • Modifies Windows Defender Real-time Protection settings

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Target

      Silviozas Premium Proxy V3.85984.exe

    • Size

      5.0MB

    • MD5

      628f62f1001ff7705103ab9f5ef5ffd1

    • SHA1

      6748a7dc711fdcf2787f8634a0287ea382cbd690

    • SHA256

      59f927e858a8cdf2330099c7b18b3f74bc6616d67b11e174aab539bd7aff067a

    • SHA512

      6eb4d989dff77528b86c866fe63c088e3c3b67bc01c5017cd9a814aebee96bfd49982d760a093371a2529ef9ee84b65194f98c3ba4f4d11a7e120725d65129c2

    • SSDEEP

      98304:SrjYFpk1kqeK+h2qwqYNorcrLEtwZJJuRWpAFyFSB76Z:C9kqX+QmrcrLm4JMRuS8

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detects Eternity stealer

    • Eternity

      Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

    • Eternity family

    • Modifies Windows Defender Real-time Protection settings

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

MITRE ATT&CK Enterprise v15

Tasks