General

  • Target

    9697dd9c108c9d9bd2a67091f18650bb790d7ecce4f51c6f83aa5e4365b45d64

  • Size

    1.7MB

  • Sample

    240516-ber7bsdd29

  • MD5

    b244f673168b94dfbd0c4120790db0c1

  • SHA1

    504ae2d279ef5640bd6a91729a856f6f62744756

  • SHA256

    9697dd9c108c9d9bd2a67091f18650bb790d7ecce4f51c6f83aa5e4365b45d64

  • SHA512

    37ac77251f3f776483e0cbfec920365e4916c2f8f9cd115e72c485cedd6975af5ee6eb8edad86837beceeebe633776ea1e8782b3e4209c78490ec2d221485a94

  • SSDEEP

    49152:ZTNFXGRlxp2vui7e4E/wcimfuUx8+iUI:ZT+Rl6vHXE/O6uUx8+iN

Malware Config

Targets

    • Target

      9697dd9c108c9d9bd2a67091f18650bb790d7ecce4f51c6f83aa5e4365b45d64

    • Size

      1.7MB

    • MD5

      b244f673168b94dfbd0c4120790db0c1

    • SHA1

      504ae2d279ef5640bd6a91729a856f6f62744756

    • SHA256

      9697dd9c108c9d9bd2a67091f18650bb790d7ecce4f51c6f83aa5e4365b45d64

    • SHA512

      37ac77251f3f776483e0cbfec920365e4916c2f8f9cd115e72c485cedd6975af5ee6eb8edad86837beceeebe633776ea1e8782b3e4209c78490ec2d221485a94

    • SSDEEP

      49152:ZTNFXGRlxp2vui7e4E/wcimfuUx8+iUI:ZT+Rl6vHXE/O6uUx8+iN

    • DcRat

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

    • Process spawned unexpected child process

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

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Detects executables packed with SmartAssembly

    • 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

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks