General

  • Target

    b4de9283c94506b50619b04a6be223d6

  • Size

    1.1MB

  • Sample

    240305-raenfagd5x

  • MD5

    b4de9283c94506b50619b04a6be223d6

  • SHA1

    c1b098d8dfc9e08b0f74fe11ed27a6971d01c415

  • SHA256

    fc59d57ad4adc8dd36263f505f54f918ae04ed608099caba15203c5d793e8140

  • SHA512

    9c3191d8eadff0580838bb5598b0a5c5bec3ebf5da2521b52953f642d257ed2d8d0cb5b755802524b493772d1c75e661df39ae5569d4c006fb60a0eefac5f28a

  • SSDEEP

    12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALI:5MMpXS0hN0V0H7MMpXS0hN0V0HI

Malware Config

Targets

    • Target

      b4de9283c94506b50619b04a6be223d6

    • Size

      1.1MB

    • MD5

      b4de9283c94506b50619b04a6be223d6

    • SHA1

      c1b098d8dfc9e08b0f74fe11ed27a6971d01c415

    • SHA256

      fc59d57ad4adc8dd36263f505f54f918ae04ed608099caba15203c5d793e8140

    • SHA512

      9c3191d8eadff0580838bb5598b0a5c5bec3ebf5da2521b52953f642d257ed2d8d0cb5b755802524b493772d1c75e661df39ae5569d4c006fb60a0eefac5f28a

    • SSDEEP

      12288:5MMpXKb0hNGh1kG0HWnAL7MMpXKb0hNGh1kG0HWnALI:5MMpXS0hN0V0H7MMpXS0hN0V0HI

    • 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