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General

  • Target

    0e435a6b11a79ade89f63a1a4f465176

  • Size

    2.5MB

  • Sample

    231230-eybv8sbgdn

  • MD5

    0e435a6b11a79ade89f63a1a4f465176

  • SHA1

    1c6b5d46b29f1a663d0ad725be76ad614acc2549

  • SHA256

    b5c4707b95e18a0ed17732091b644fb2cc04b407546dbd8fe1977d88a1502ebb

  • SHA512

    37daad440ea23cea48f286b933b4028a64b8a7fa25201756852fe1bf0272c11d2917f8043f3738dd376c2f569d7a2ef1404b96c29bd139ae1e8a99705582255d

  • SSDEEP

    6144:LiMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyApHhP+gDzvRAExJex5gfzDVtkhKbYM:5MMpXKb0hNGh1kG0HWnALbix5G+8NH

Malware Config

Targets

    • Target

      0e435a6b11a79ade89f63a1a4f465176

    • Size

      2.5MB

    • MD5

      0e435a6b11a79ade89f63a1a4f465176

    • SHA1

      1c6b5d46b29f1a663d0ad725be76ad614acc2549

    • SHA256

      b5c4707b95e18a0ed17732091b644fb2cc04b407546dbd8fe1977d88a1502ebb

    • SHA512

      37daad440ea23cea48f286b933b4028a64b8a7fa25201756852fe1bf0272c11d2917f8043f3738dd376c2f569d7a2ef1404b96c29bd139ae1e8a99705582255d

    • SSDEEP

      6144:LiMmXRH6pXfSb0ceR/VFAHh1kgcs0HW1kyApHhP+gDzvRAExJex5gfzDVtkhKbYM:5MMpXKb0hNGh1kG0HWnALbix5G+8NH

    • Modifies WinLogon for persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks