Overview

overview

10

Static

static

10

HEUR-Backd...f6.exe

windows7-x64

10

HEUR-Backd...f6.exe

windows10-2004-x64

10

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General

  • Target

    HEUR-Backdoor.MSIL.LightStone.gen-48a5d085cf6.exe

  • Size

    1.1MB

  • Sample

    230613-d6gk1sef24

  • MD5

    89eafa0c3e68136ae780afb0bed528be

  • SHA1

    8c80cb2d82eabc6a9d6bc582c0a4c67b4bc79bc3

  • SHA256

    48a5d085cf6540b1dc286bbaa17141d6c40d3aa37a6a92c6326873ca98f25e8a

  • SHA512

    e6a5a6a0602b3bb51235fee1a0a39a32327a62892635e1df7c0bc3135089718bac96ad878dabd6c8d35738a3a6595dabde716b6ebb78d17b75188b98de159e34

  • SSDEEP

    12288:o8R51UropgKt6ljehIYulIB68SzlPqGlWVKZuMM2nwLjwkidihD9+HgMVeQqn4:X1UMb6ljehI7+6X+/WpHgeeQ+4

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      HEUR-Backdoor.MSIL.LightStone.gen-48a5d085cf6.exe

    • Size

      1.1MB

    • MD5

      89eafa0c3e68136ae780afb0bed528be

    • SHA1

      8c80cb2d82eabc6a9d6bc582c0a4c67b4bc79bc3

    • SHA256

      48a5d085cf6540b1dc286bbaa17141d6c40d3aa37a6a92c6326873ca98f25e8a

    • SHA512

      e6a5a6a0602b3bb51235fee1a0a39a32327a62892635e1df7c0bc3135089718bac96ad878dabd6c8d35738a3a6595dabde716b6ebb78d17b75188b98de159e34

    • SSDEEP

      12288:o8R51UropgKt6ljehIYulIB68SzlPqGlWVKZuMM2nwLjwkidihD9+HgMVeQqn4:X1UMb6ljehI7+6X+/WpHgeeQ+4

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks