Overview

overview

10

Static

static

10

3b51470647...6N.exe

windows7-x64

10

3b51470647...6N.exe

windows10-2004-x64

10

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General

  • Target

    3b51470647a4023cc8ce737dddaafc12faff349d9940e1a93a8d7cd47ca55116N

  • Size

    1.3MB

  • Sample

    241106-cptnksvrdk

  • MD5

    29686d3ef9347f94d6151acf51a50a40

  • SHA1

    c572d263b840e6339683c4f92dd9aa400a5b25b3

  • SHA256

    3b51470647a4023cc8ce737dddaafc12faff349d9940e1a93a8d7cd47ca55116

  • SHA512

    855f9380390ea03f9302dd0c389e42ab0c4ad3ad5b71743b7ce0fd811a0424a90d07295b81cbc121acf7bda7a130d7ccacdb7af858894de13ba81c1945f1e53b

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      3b51470647a4023cc8ce737dddaafc12faff349d9940e1a93a8d7cd47ca55116N

    • Size

      1.3MB

    • MD5

      29686d3ef9347f94d6151acf51a50a40

    • SHA1

      c572d263b840e6339683c4f92dd9aa400a5b25b3

    • SHA256

      3b51470647a4023cc8ce737dddaafc12faff349d9940e1a93a8d7cd47ca55116

    • SHA512

      855f9380390ea03f9302dd0c389e42ab0c4ad3ad5b71743b7ce0fd811a0424a90d07295b81cbc121acf7bda7a130d7ccacdb7af858894de13ba81c1945f1e53b

    • SSDEEP

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

    Score
    10/10
    dcratdiscoveryexecutioninfostealerrat

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • 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

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • 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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks