General

  • Target
    KomuriClient Setup 2.11.2716.7z
  • Size 128.8MB
  • Sample260723-qpre4sbb65
  • SHA256 588c991780205b84213fbac09d9283e52b3e9efbcdb8fd09e9013acbe434d508
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      KomuriClient Setup 2.11.2716.exe
    • Size 128.8MB
    • SHA256 bf672d1c4b2e547b6fe0c723aaae6d88886901b5d4d4238f56be2af6a1408710
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Executes dropped EXE

    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Contacts third-party web service commonly abused for C2

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

    • Looks up external IP address via web service

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

    • Target
      KomuriClient.exe
    • Size 171.8MB
    • SHA256 633e4148dd0a0f356835167aa631e117875dbd0ef650808b813801718bdaeeda
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    • Loads dropped DLL

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Contacts third-party web service commonly abused for C2

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

    • Enumerates connected drives

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

    • 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 v16

Tasks