Overview

overview

10

Static

static

10

0c1b1db023...59.exe

windows7-x64

10

0c1b1db023...59.exe

windows10-2004-x64

10

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General

  • Target

    0c1b1db02311e036335b855abdc1b6790a5a10b50c3103ec1a8cfd87dc88eb59

  • Size

    1.3MB

  • Sample

    241221-v7vygavkdx

  • MD5

    7ab4c102ff9ebd106a4e9550f0e3a293

  • SHA1

    bb91d0e5c85426016c01d8d8418b5e12a7101342

  • SHA256

    0c1b1db02311e036335b855abdc1b6790a5a10b50c3103ec1a8cfd87dc88eb59

  • SHA512

    1075beaf81ea1bb626513a1340b82a255549f67fddf7065f29f8e353e868560382b04ef0a39c46446f0775a66a717611aa2df49c85b97d2d4c1271ac49dcefdf

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      0c1b1db02311e036335b855abdc1b6790a5a10b50c3103ec1a8cfd87dc88eb59

    • Size

      1.3MB

    • MD5

      7ab4c102ff9ebd106a4e9550f0e3a293

    • SHA1

      bb91d0e5c85426016c01d8d8418b5e12a7101342

    • SHA256

      0c1b1db02311e036335b855abdc1b6790a5a10b50c3103ec1a8cfd87dc88eb59

    • SHA512

      1075beaf81ea1bb626513a1340b82a255549f67fddf7065f29f8e353e868560382b04ef0a39c46446f0775a66a717611aa2df49c85b97d2d4c1271ac49dcefdf

    • 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