Overview

overview

10

Static

static

10

fe49496d9a...f0.exe

windows7-x64

10

fe49496d9a...f0.exe

windows10-2004-x64

10

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General

  • Target

    fe49496d9a7c3218f739c3fc13e4d11b59c33dd0e19ba1d1e9b6aba531b4aef0

  • Size

    1.3MB

  • Sample

    241221-vh8s2atpar

  • MD5

    91f778a81cb68c6d3faa80153e473c2f

  • SHA1

    11c4008486467307ba6b8e560164088bb09ba7e2

  • SHA256

    fe49496d9a7c3218f739c3fc13e4d11b59c33dd0e19ba1d1e9b6aba531b4aef0

  • SHA512

    36062fde468687526c941cc917c5cb86d40c79cc5edea634a3f5075116ffef2d8511198f95ea0d22dd20c46fa32efa01c46085a0dd1bdfbc368850cd3ed3a7a3

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      fe49496d9a7c3218f739c3fc13e4d11b59c33dd0e19ba1d1e9b6aba531b4aef0

    • Size

      1.3MB

    • MD5

      91f778a81cb68c6d3faa80153e473c2f

    • SHA1

      11c4008486467307ba6b8e560164088bb09ba7e2

    • SHA256

      fe49496d9a7c3218f739c3fc13e4d11b59c33dd0e19ba1d1e9b6aba531b4aef0

    • SHA512

      36062fde468687526c941cc917c5cb86d40c79cc5edea634a3f5075116ffef2d8511198f95ea0d22dd20c46fa32efa01c46085a0dd1bdfbc368850cd3ed3a7a3

    • 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