Overview

overview

10

Static

static

10

2d267120ef...d1.exe

windows7-x64

10

2d267120ef...d1.exe

windows10-2004-x64

10

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General

  • Target

    2d267120efac37de426c34c84f123452a8d2d2aa1cb7f8f9cac26c8eb11902d1

  • Size

    1.3MB

  • Sample

    241221-wamfhavnar

  • MD5

    90567e9403c1883889181eaa31c5e18d

  • SHA1

    5d0085d4827b4e789ea325ad00f108ebe60212b2

  • SHA256

    2d267120efac37de426c34c84f123452a8d2d2aa1cb7f8f9cac26c8eb11902d1

  • SHA512

    a606e5d85efdcd2b6e8690d8f13ca84bdb1fce7469a5836799bd66262c4fad68c5b8b6ed9477634ae2ee6369eea980a8cd8754f890e354ed80f0e3a455a58437

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      2d267120efac37de426c34c84f123452a8d2d2aa1cb7f8f9cac26c8eb11902d1

    • Size

      1.3MB

    • MD5

      90567e9403c1883889181eaa31c5e18d

    • SHA1

      5d0085d4827b4e789ea325ad00f108ebe60212b2

    • SHA256

      2d267120efac37de426c34c84f123452a8d2d2aa1cb7f8f9cac26c8eb11902d1

    • SHA512

      a606e5d85efdcd2b6e8690d8f13ca84bdb1fce7469a5836799bd66262c4fad68c5b8b6ed9477634ae2ee6369eea980a8cd8754f890e354ed80f0e3a455a58437

    • 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