General

  • Target

    WindowsUpdateService.exe

  • Size

    9.5MB

  • Sample

    250407-vxp98sywgt

  • MD5

    792d47eaf8e8f7752ee07df094f402ba

  • SHA1

    79b8dd99dbfb362a3adbe8d5e798510623b7a9a6

  • SHA256

    2782a2bbab02cefb45d92ad5d82d68e389286904f0cb0bd2be80562f1349bc7d

  • SHA512

    9b67a632b0dd6dfbfa27651da2366c40e3447fc4f8a4e26e04408ea9a93c7b2742b60195b099fbf68fa2015c46644b0074960e642b75112e5c58ed09cd0b2f71

  • SSDEEP

    98304:80gjE8Kq+sJgTVxXM29X9BdNrHEYWvFnsVs:IEe+sJit9X9BfrkY3s

Score
10/10

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1356689143555686480/UMCmU5eRng9kyD0elV8TnRdtcbuz5XqZOyd2gn-F4RSy3X4YDIk-t4mkQScULvE2-5Ke

Targets

    • Target

      WindowsUpdateService.exe

    • Size

      9.5MB

    • MD5

      792d47eaf8e8f7752ee07df094f402ba

    • SHA1

      79b8dd99dbfb362a3adbe8d5e798510623b7a9a6

    • SHA256

      2782a2bbab02cefb45d92ad5d82d68e389286904f0cb0bd2be80562f1349bc7d

    • SHA512

      9b67a632b0dd6dfbfa27651da2366c40e3447fc4f8a4e26e04408ea9a93c7b2742b60195b099fbf68fa2015c46644b0074960e642b75112e5c58ed09cd0b2f71

    • SSDEEP

      98304:80gjE8Kq+sJgTVxXM29X9BdNrHEYWvFnsVs:IEe+sJit9X9BfrkY3s

    Score
    7/10
    • Checks computer location settings

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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks