General

  • Target
    SteamLuaTools-TEST-V4.0.exe
  • Size 48.4MB
  • Sample260804-fa747sv1ax
  • SHA256 1e059ebf9a56b3f38cccfa1160fc666892789249742bc7119632142eb3d04722
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      SteamLuaTools-TEST-V4.0.exe
    • Size 48.4MB
    • SHA256 1e059ebf9a56b3f38cccfa1160fc666892789249742bc7119632142eb3d04722
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Disables RegEdit via registry modification

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Stops running service(s)

    • Checks for any installed AV software in registry

    • 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.

    • 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

    • Target
      SteamLua 4-0.pyc
    • Size 55KB
    • SHA256 c2e6a5b25a7c2621e75c89650f8cbfc0506f2b07637d42cb5ae938f7f64b474b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    3/10

MITRE ATT&CK Enterprise v16

Tasks