Overview

overview

10

Static

static

1

1d13a84aa6...43.exe

windows7-x64

10

1d13a84aa6...43.exe

windows10-2004-x64

10

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General

  • Target

    1d13a84aa671b75f66f4c7fce8339619291d4a43.exe

  • Size

    775KB

  • Sample

    241115-jh493a1cqg

  • MD5

    0ed1f9cb842483e03e36cee538678ffd

  • SHA1

    1d13a84aa671b75f66f4c7fce8339619291d4a43

  • SHA256

    24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc

  • SHA512

    78cb214db0ecbc532a50fc1344a138125e0031485c004e95bc21064165f9fd667fa582cd5196a6e1b4276b6dd7fa1d23dfabfe0c58b0d93fbf8e5329b064a809

  • SSDEEP

    12288:FFg6HIZxWaga+z9e9qJeyLVqlUhqgPXdU2ypi0w8ncqXuvVw4heSNSzLz/:FIrr+h0qJeiqlGVUskcz9w4jI3b

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      1d13a84aa671b75f66f4c7fce8339619291d4a43.exe

    • Size

      775KB

    • MD5

      0ed1f9cb842483e03e36cee538678ffd

    • SHA1

      1d13a84aa671b75f66f4c7fce8339619291d4a43

    • SHA256

      24f719954fbcfd391426579d7f4965d2771f0d2751bed291e6a8dd26228315cc

    • SHA512

      78cb214db0ecbc532a50fc1344a138125e0031485c004e95bc21064165f9fd667fa582cd5196a6e1b4276b6dd7fa1d23dfabfe0c58b0d93fbf8e5329b064a809

    • SSDEEP

      12288:FFg6HIZxWaga+z9e9qJeyLVqlUhqgPXdU2ypi0w8ncqXuvVw4heSNSzLz/:FIrr+h0qJeiqlGVUskcz9w4jI3b

    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

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks