Overview

overview

10

Static

static

3

1b304c8a2a...0b.exe

windows7-x64

10

1b304c8a2a...0b.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    1b304c8a2ae4546bd7958c7f22becaf6b682a5c88b7a01945a952de991b0ef0b.exe
  • Size 2.4MB
  • Sample241103-cs71da1qds
  • SHA256 1b304c8a2ae4546bd7958c7f22becaf6b682a5c88b7a01945a952de991b0ef0b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
dcratdiscoveryevasioninfostealerrat

Malware Config

Targets

    • Target
      1b304c8a2ae4546bd7958c7f22becaf6b682a5c88b7a01945a952de991b0ef0b.exe
    • Size 2.4MB
    • SHA256 1b304c8a2ae4546bd7958c7f22becaf6b682a5c88b7a01945a952de991b0ef0b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    dcratdiscoveryevasioninfostealerrat

    • 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

    • Disables Task Manager via registry modification

      evasion

    • 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