General

  • Target
    1552dbdb5fcb0236dbc9897df14e98c6.exe
  • Size 136KB
  • Sample201229-214lpy2lns
  • SHA256 5dd71da9e576dc4b91f9b9ded0c0b7648604938fb83343063e44b99bc3eb23c6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://vtdilet.com/upload/

  • http://netvxi.com/upload/

  • http://tinnys.monster/upload/

rc4.i32
rc4.i32

Targets

    • Target
      1552dbdb5fcb0236dbc9897df14e98c6.exe
    • Size 136KB
    • SHA256 5dd71da9e576dc4b91f9b9ded0c0b7648604938fb83343063e44b99bc3eb23c6
    • MD5 SHA1 SHA512
    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • JavaScript code in executable

MITRE ATT&CK Enterprise v6

Tasks