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General

  • Target

    caa690c0fc39cd9fd36bec2dd30f03ba.exe

  • Size

    2.9MB

  • Sample

    230309-c9aq7shb51

  • MD5

    caa690c0fc39cd9fd36bec2dd30f03ba

  • SHA1

    3c2f8fc34b75a6a3cbf64e946b42808bc9cdbeb0

  • SHA256

    d1f9b8e8a6b3ec8583f59d0974c19177f71efdfe1e82d79f646172bd08cc826b

  • SHA512

    f230928baebe31c183582c3a7db772844a8419591557b23aae24c54ed3c7418be69e87ff95405149685d3f0eed18719d46888c4ea9eb9e75d7fbbbe30c2e2f3a

  • SSDEEP

    49152:CEvU1J8dN6XYbTGw5i+4pK1XWdOcYF62tLmkyWM2tG8r3p+7:CEvA/YbTjt6LkLLt1LrZ

Malware Config

Targets

    • Target

      caa690c0fc39cd9fd36bec2dd30f03ba.exe

    • Size

      2.9MB

    • MD5

      caa690c0fc39cd9fd36bec2dd30f03ba

    • SHA1

      3c2f8fc34b75a6a3cbf64e946b42808bc9cdbeb0

    • SHA256

      d1f9b8e8a6b3ec8583f59d0974c19177f71efdfe1e82d79f646172bd08cc826b

    • SHA512

      f230928baebe31c183582c3a7db772844a8419591557b23aae24c54ed3c7418be69e87ff95405149685d3f0eed18719d46888c4ea9eb9e75d7fbbbe30c2e2f3a

    • SSDEEP

      49152:CEvU1J8dN6XYbTGw5i+4pK1XWdOcYF62tLmkyWM2tG8r3p+7:CEvA/YbTjt6LkLLt1LrZ

    • DcRat

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

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v6

Tasks