Overview

overview

10

Static

static

10

NerestPCFr....1.exe

windows7-x64

10

NerestPCFr....1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    NerestPCFree0.32.1.exe

  • Size

    1.1MB

  • Sample

    250126-l1y7waylev

  • MD5

    258bd772085fefdb42dda8aa58613513

  • SHA1

    4066a6ecbb26034204cc81427f0e95373adc2a1b

  • SHA256

    74ac9f5e73d9bd0c91f28e94ac16a16b7e62b3818a005054d7abe8ea06777ed5

  • SHA512

    4380d07d7a0246796060e9a0a759d080e9ad6d5156cb40ec8a04ebe57cc455035b1ba8c44ed435f2629a46dec3151ecc0d6b1c7ea46fe55cd9e7bda67daf692f

  • SSDEEP

    24576:U2G/nvxW3Ww0t+PneumuY3KIynlY+RTveuep+yX3ubM:UbA30+r4nelY7X3uo

Score
10/10
dcratdiscoveryinfostealerrat

Malware Config

Targets

    • Target

      NerestPCFree0.32.1.exe

    • Size

      1.1MB

    • MD5

      258bd772085fefdb42dda8aa58613513

    • SHA1

      4066a6ecbb26034204cc81427f0e95373adc2a1b

    • SHA256

      74ac9f5e73d9bd0c91f28e94ac16a16b7e62b3818a005054d7abe8ea06777ed5

    • SHA512

      4380d07d7a0246796060e9a0a759d080e9ad6d5156cb40ec8a04ebe57cc455035b1ba8c44ed435f2629a46dec3151ecc0d6b1c7ea46fe55cd9e7bda67daf692f

    • SSDEEP

      24576:U2G/nvxW3Ww0t+PneumuY3KIynlY+RTveuep+yX3ubM:UbA30+r4nelY7X3uo

    Score
    10/10
    dcratdiscoveryinfostealerrat

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks