General

  • Target
    GEJSER_v2.2.exe
  • Size 19.2MB
  • Sample260702-ncw4qae14j
  • SHA256 19a802d5304d2c34c0d03bd624cdbfe949b018eafc80817c788229245686e332
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      GEJSER_v2.2.exe
    • Size 19.2MB
    • SHA256 19a802d5304d2c34c0d03bd624cdbfe949b018eafc80817c788229245686e332
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks