Overview

overview

10

Static

static

10

HEUR-Backd...at.exe

windows7-x64

10

HEUR-Backd...at.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    HEUR-Backdoor.MSIL.DCRat.gen-90b1c605b3a6431b1dcc3707f976fcb71181109590403df8fcaa17eee16904dc

  • Size

    2.0MB

  • Sample

    240229-hrycfahf4y

  • MD5

    d2d681fe198fb1e5cedfe2d7d163e61a

  • SHA1

    15f50cd3233206e2fd1d8cf8398e31f4fb0ca1ef

  • SHA256

    90b1c605b3a6431b1dcc3707f976fcb71181109590403df8fcaa17eee16904dc

  • SHA512

    79979f349b2f594de0e5267f5a6a7ee2290f7ba219d99ff249621aa07c5091004bd2870b6576506d755e99578a963d38216f1746aa3d9abc370aa76720315a63

  • SSDEEP

    49152:tqHEuTrhUqQcvwHnX9B0gQ1TgqAsoqbBmXob3:IHrUqQcvQnX9B0gQ1TgqAsRVmXob3

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      HEUR-Backdoor.MSIL.DCRat.gen-90b1c605b3a6431b1dcc3707f976fcb71181109590403df8fcaa17eee16904dc

    • Size

      2.0MB

    • MD5

      d2d681fe198fb1e5cedfe2d7d163e61a

    • SHA1

      15f50cd3233206e2fd1d8cf8398e31f4fb0ca1ef

    • SHA256

      90b1c605b3a6431b1dcc3707f976fcb71181109590403df8fcaa17eee16904dc

    • SHA512

      79979f349b2f594de0e5267f5a6a7ee2290f7ba219d99ff249621aa07c5091004bd2870b6576506d755e99578a963d38216f1746aa3d9abc370aa76720315a63

    • SSDEEP

      49152:tqHEuTrhUqQcvwHnX9B0gQ1TgqAsoqbBmXob3:IHrUqQcvQnX9B0gQ1TgqAsRVmXob3

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • 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

    • Detects executables packed with SmartAssembly

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks