General

  • Target
    IntelSoftwareUpdaterV7.exe
  • Size 10.9MB
  • Sample260714-w77spsdz2w
  • SHA256 02a5f81467830aff6d8fe5393ffb74be982ce624a2adc84132c56b0cbe231d8c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      IntelSoftwareUpdaterV7.exe
    • Size 10.9MB
    • SHA256 02a5f81467830aff6d8fe5393ffb74be982ce624a2adc84132c56b0cbe231d8c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects C variant of CastleRAT.

    • Family: CastleRAT

      CastleRAT is a trojan available in both Python and C variants.

    • Badlisted process makes network request

      Network request originating from process or tool commonly abused by malware.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

MITRE ATT&CK Enterprise v16

Tasks