General

  • Target

    9A1A0974A7201DEAA019697CB0F137DB.exe

  • Size

    8.8MB

  • Sample

    250122-gxledsskd1

  • MD5

    9a1a0974a7201deaa019697cb0f137db

  • SHA1

    18095f2009c5e70970272a9c2a5cb6a538f84d82

  • SHA256

    e9f868d54dc0cda5bd4e13ad4fb6c7861b339024cd28daf0dc8eb9ee69a405fe

  • SHA512

    b1165edcc521cbd8f7c03113a0138befa70f4b77d5f427b36e231cbb6d665dc28b10c6848666dc6cba6868974027044d32becebc352e25decdc87b9f53b3501d

  • SSDEEP

    196608:rFHY9wfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/j5inz:zIHziK1piXLGVE4Ue0VJInz

Malware Config

Targets

    • Target

      9A1A0974A7201DEAA019697CB0F137DB.exe

    • Size

      8.8MB

    • MD5

      9a1a0974a7201deaa019697cb0f137db

    • SHA1

      18095f2009c5e70970272a9c2a5cb6a538f84d82

    • SHA256

      e9f868d54dc0cda5bd4e13ad4fb6c7861b339024cd28daf0dc8eb9ee69a405fe

    • SHA512

      b1165edcc521cbd8f7c03113a0138befa70f4b77d5f427b36e231cbb6d665dc28b10c6848666dc6cba6868974027044d32becebc352e25decdc87b9f53b3501d

    • SSDEEP

      196608:rFHY9wfI9jUCzi4H1qSiXLGVi7DMgpZ3Q0VMwICEc/j5inz:zIHziK1piXLGVE4Ue0VJInz

    • 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

      Using powershell.exe command.

    • Disables Task Manager via registry modification

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Enumerates processes with tasklist

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v15

Tasks