General

  • Target
    KryptonClient(new).jar
  • Size 5.4MB
  • Sample260821-qq36as1cph
  • SHA256 2e46b13ade245e9c203a40d07ff17317487b8289f6a22e08771ed8861478655e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      KryptonClient(new).jar
    • Size 5.4MB
    • SHA256 2e46b13ade245e9c203a40d07ff17317487b8289f6a22e08771ed8861478655e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Badlisted process makes network request

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

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks