Overview

overview

10

Static

static

10

1f7b5fe128...fN.exe

windows7-x64

10

1f7b5fe128...fN.exe

windows10-2004-x64

10

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General

  • Target

    1f7b5fe128b6f0a102097e5142fb2ca73546f6ea0b5d1b123a470eac2f9b840fN.exe

  • Size

    1.3MB

  • Sample

    250107-pcklcssmeq

  • MD5

    07f89c67eba5c17295d6b70facbe4f60

  • SHA1

    dbdcfd6524ac93039eb381c4c9cfb23e6ee0422a

  • SHA256

    1f7b5fe128b6f0a102097e5142fb2ca73546f6ea0b5d1b123a470eac2f9b840f

  • SHA512

    9b7ba25045c815a5a69ba21c2f9d899b1b6402778abb6c694068a861c4cc7608ed2d28279e41a127e9147646e8401e2cae31869d93c314a14f191058626e9a5e

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      1f7b5fe128b6f0a102097e5142fb2ca73546f6ea0b5d1b123a470eac2f9b840fN.exe

    • Size

      1.3MB

    • MD5

      07f89c67eba5c17295d6b70facbe4f60

    • SHA1

      dbdcfd6524ac93039eb381c4c9cfb23e6ee0422a

    • SHA256

      1f7b5fe128b6f0a102097e5142fb2ca73546f6ea0b5d1b123a470eac2f9b840f

    • SHA512

      9b7ba25045c815a5a69ba21c2f9d899b1b6402778abb6c694068a861c4cc7608ed2d28279e41a127e9147646e8401e2cae31869d93c314a14f191058626e9a5e

    • 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