General

  • Target

    b73c2420eddbc96bb318a64a92cb2d6432b14a8c6d87f05472b63a0bf4a38af0

  • Size

    1.3MB

  • Sample

    241221-wep27avpdm

  • MD5

    ca9504db716094fe01cab86895776d8a

  • SHA1

    4aab7df9e5f108343db98f63b691ea3ad3d5ab70

  • SHA256

    b73c2420eddbc96bb318a64a92cb2d6432b14a8c6d87f05472b63a0bf4a38af0

  • SHA512

    53fc127866af095ce9f9abcd56460ce6baf4134e5378bd7ab405d8972d3a57f1ca0b611c1153ce69ec99e98b4acac6bbc10c38e8c3237c0a1a42366d6b7fedc0

  • SSDEEP

    24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

Malware Config

Targets

    • Target

      b73c2420eddbc96bb318a64a92cb2d6432b14a8c6d87f05472b63a0bf4a38af0

    • Size

      1.3MB

    • MD5

      ca9504db716094fe01cab86895776d8a

    • SHA1

      4aab7df9e5f108343db98f63b691ea3ad3d5ab70

    • SHA256

      b73c2420eddbc96bb318a64a92cb2d6432b14a8c6d87f05472b63a0bf4a38af0

    • SHA512

      53fc127866af095ce9f9abcd56460ce6baf4134e5378bd7ab405d8972d3a57f1ca0b611c1153ce69ec99e98b4acac6bbc10c38e8c3237c0a1a42366d6b7fedc0

    • SSDEEP

      24576:U2G/nvxW3Ww0t6TnzGmVBDh4+aknuRRZJND0gFJ4rD/IjC:UbA30GnzV/q+DnsXg

    • DcRat

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

    • Dcrat family

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks