Overview

overview

10

Static

static

10

158b5e0bdf...4N.exe

windows7-x64

10

158b5e0bdf...4N.exe

windows10-2004-x64

10

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General

  • Target

    158b5e0bdfbaaf7b766145763cee226f9d92d2f580f7dd73c13874171e246734N.exe

  • Size

    1.3MB

  • Sample

    250107-t12a8s1kbr

  • MD5

    a704fb8bd3a60819d89e7a2aecfc98c0

  • SHA1

    45329a59265e2bd0d525c1a942e8a2ebe27d677f

  • SHA256

    158b5e0bdfbaaf7b766145763cee226f9d92d2f580f7dd73c13874171e246734

  • SHA512

    0d9edb9f0a0223ba814fcf8929acad60ce491d1da9876710bc4ddc3da15bb166c4ad96501797d62414fd65d5d29317733df83c880b156c2b91ec04ce704c04b2

  • SSDEEP

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

Score
10/10
dcratdiscoveryexecutioninfostealerrat

Malware Config

Targets

    • Target

      158b5e0bdfbaaf7b766145763cee226f9d92d2f580f7dd73c13874171e246734N.exe

    • Size

      1.3MB

    • MD5

      a704fb8bd3a60819d89e7a2aecfc98c0

    • SHA1

      45329a59265e2bd0d525c1a942e8a2ebe27d677f

    • SHA256

      158b5e0bdfbaaf7b766145763cee226f9d92d2f580f7dd73c13874171e246734

    • SHA512

      0d9edb9f0a0223ba814fcf8929acad60ce491d1da9876710bc4ddc3da15bb166c4ad96501797d62414fd65d5d29317733df83c880b156c2b91ec04ce704c04b2

    • 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