Overview

overview

10

Static

static

10

7ea4138862...7b.exe

windows7-x64

10

7ea4138862...7b.exe

windows10-2004-x64

10

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General

  • Target

    7ea41388626813cbaffeab0f098c7a9eeb8a295b5b9f7b610bcf3d57ec217c7b

  • Size

    1.3MB

  • Sample

    241102-nzzhcstepm

  • MD5

    a22b9dcb54d9f6b45bbac93c2773fc43

  • SHA1

    d95952f664b7667ec368753761b3d835ab67b0cc

  • SHA256

    7ea41388626813cbaffeab0f098c7a9eeb8a295b5b9f7b610bcf3d57ec217c7b

  • SHA512

    71975080a298e5f2bb452c5e83dc2a5375d186d1a0887f2ce6bc80e555a1bf2951d60023a4fada954054317df80b7b164e3cf23e66265068274d320a17be8ac5

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      7ea41388626813cbaffeab0f098c7a9eeb8a295b5b9f7b610bcf3d57ec217c7b

    • Size

      1.3MB

    • MD5

      a22b9dcb54d9f6b45bbac93c2773fc43

    • SHA1

      d95952f664b7667ec368753761b3d835ab67b0cc

    • SHA256

      7ea41388626813cbaffeab0f098c7a9eeb8a295b5b9f7b610bcf3d57ec217c7b

    • SHA512

      71975080a298e5f2bb452c5e83dc2a5375d186d1a0887f2ce6bc80e555a1bf2951d60023a4fada954054317df80b7b164e3cf23e66265068274d320a17be8ac5

    • 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