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General

  • Target

    398646f1bca7b2630599fe83a5e7501b

  • Size

    10.7MB

  • Sample

    231231-rl2mcaehf2

  • MD5

    398646f1bca7b2630599fe83a5e7501b

  • SHA1

    2de320aad4ac27e790cdc1eceeb5d60f51370b83

  • SHA256

    d9ee97ebfca901fc2296137e2219d4115a9b4a68799cbfcf7a09224b2addf481

  • SHA512

    7bdcb6c4fa70d09905fbf5b6696934f4a5adfc662cf606321d5f5a6fda0ae6383df937657fe7ff40f0eb9d884a79482fee646a168aedb1e8e1cf0f72099ea483

  • SSDEEP

    98304:1i0li07IMzKpXOMGQKIMzKpXOMGQFIMzKpXOMGQJ:40I07I2lyKI2lyFI2lyJ

Malware Config

Targets

    • Target

      398646f1bca7b2630599fe83a5e7501b

    • Size

      10.7MB

    • MD5

      398646f1bca7b2630599fe83a5e7501b

    • SHA1

      2de320aad4ac27e790cdc1eceeb5d60f51370b83

    • SHA256

      d9ee97ebfca901fc2296137e2219d4115a9b4a68799cbfcf7a09224b2addf481

    • SHA512

      7bdcb6c4fa70d09905fbf5b6696934f4a5adfc662cf606321d5f5a6fda0ae6383df937657fe7ff40f0eb9d884a79482fee646a168aedb1e8e1cf0f72099ea483

    • SSDEEP

      98304:1i0li07IMzKpXOMGQKIMzKpXOMGQFIMzKpXOMGQJ:40I07I2lyKI2lyFI2lyJ

    • 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