General

  • Target
    a8884d5c23826a156a79a2e40ddbc10f.bin
  • Size 85KB
  • Sample240406-b75ccshd67
  • SHA256 632f2b2d1c5bcf9a75ba1119ab45ebf47efcf588859271163eed515d4ff21a5d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • | Edit 3LOSH RAT

Botnet
  • RAT15

C2
  • darkstorm275991.ddns.net:6606

  • darkstorm275991.ddns.net:7707

  • darkstorm275991.ddns.net:8808

  • mrreport.duckdns.org:6606

  • mrreport.duckdns.org:7707

  • mrreport.duckdns.org:8808

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Windows Session Manager.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      821900f5cf0981a062d0683d5a5905ce407a035d9e0ab7ee0bd110a7403321d1.exe
    • Size 1.2MB
    • SHA256 821900f5cf0981a062d0683d5a5905ce407a035d9e0ab7ee0bd110a7403321d1
    • MD5 SHA1 SHA512 SSDEEP
    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • Blocklisted process makes network request

    • 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.

    • Checks whether UAC is enabled

MITRE ATT&CK Enterprise v15

Tasks