General

  • Target

    862e555bc983728ac0d7e39fed087a79ec18c5db7208c839aba4db3f6bff0f06_NeikiAnalytics.exe

  • Size

    3.3MB

  • Sample

    240628-fgca4svcpk

  • MD5

    931767ee5322f0d8a22acb26374ef000

  • SHA1

    eac51a96586271fde6ab226db3f3bdbfd1f72111

  • SHA256

    862e555bc983728ac0d7e39fed087a79ec18c5db7208c839aba4db3f6bff0f06

  • SHA512

    a790213cbe56e1cdc737af9c6a7176a277b04767eba3b9f99102c71d227d1b28696baaa4515f2844fd09e9b9ea6c106557aa24c6471b4f47d68715ce44e041d0

  • SSDEEP

    49152:Zrd5oJBLERqgc7qzy0n1Ta80kXELz5oxr9WROea5CbEo51TMkqCZBO:hd5n3c0fnlb0kXyz59haG95lNqCZBO

Malware Config

Extracted

Family

umbral

C2

https://discord.com/api/webhooks/1250787707550957639/phhFYZ2a-1NpRCeFahlBjdnI6gpjCVkQ5Tb8tUGijytYKG4ngP94NUb-cNzVfynZwdY8

Targets

    • Target

      862e555bc983728ac0d7e39fed087a79ec18c5db7208c839aba4db3f6bff0f06_NeikiAnalytics.exe

    • Size

      3.3MB

    • MD5

      931767ee5322f0d8a22acb26374ef000

    • SHA1

      eac51a96586271fde6ab226db3f3bdbfd1f72111

    • SHA256

      862e555bc983728ac0d7e39fed087a79ec18c5db7208c839aba4db3f6bff0f06

    • SHA512

      a790213cbe56e1cdc737af9c6a7176a277b04767eba3b9f99102c71d227d1b28696baaa4515f2844fd09e9b9ea6c106557aa24c6471b4f47d68715ce44e041d0

    • SSDEEP

      49152:Zrd5oJBLERqgc7qzy0n1Ta80kXELz5oxr9WROea5CbEo51TMkqCZBO:hd5n3c0fnlb0kXyz59haG95lNqCZBO

    • DcRat

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

    • Detect Umbral payload

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

    • 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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Legitimate hosting services abused for malware hosting/C2

    • 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 v15

Tasks