General

  • Target

    8e9ebe22d1b2b3c07bee3524ec09d4d657134d78ad27491397b6d73d83b1e3f8N.exe

  • Size

    1.7MB

  • Sample

    241122-ym3dlatlfm

  • MD5

    6025a571157fca934b0a10a53c112bd0

  • SHA1

    e6abd828d62fe816a316ba2c3ff4ae8b2033be33

  • SHA256

    8e9ebe22d1b2b3c07bee3524ec09d4d657134d78ad27491397b6d73d83b1e3f8

  • SHA512

    aa527ab4bda8490db528ccad1511fc8412988f65b2c9cd63de72430c803050beb9c0bf5438e0c58e0344daf65775f4cc7269a547b2aee303bd0cb57ee7169840

  • SSDEEP

    24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

Malware Config

Targets

    • Target

      8e9ebe22d1b2b3c07bee3524ec09d4d657134d78ad27491397b6d73d83b1e3f8N.exe

    • Size

      1.7MB

    • MD5

      6025a571157fca934b0a10a53c112bd0

    • SHA1

      e6abd828d62fe816a316ba2c3ff4ae8b2033be33

    • SHA256

      8e9ebe22d1b2b3c07bee3524ec09d4d657134d78ad27491397b6d73d83b1e3f8

    • SHA512

      aa527ab4bda8490db528ccad1511fc8412988f65b2c9cd63de72430c803050beb9c0bf5438e0c58e0344daf65775f4cc7269a547b2aee303bd0cb57ee7169840

    • SSDEEP

      24576:N3QwuLyEbVoCtPreIjNLoN/VNGeSQDx1m17zezKOkCzeJGFUJ:NgwuuEpdDLNwVMeXDL0fdSzAG

    • DcRat

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

    • Dcrat family

    • 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.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks