General

  • Target

    835b683a6c981701441fa8b0a1bb2f5d.exe

  • Size

    277KB

  • Sample

    231226-pjba9saeem

  • MD5

    835b683a6c981701441fa8b0a1bb2f5d

  • SHA1

    61b6430628d1a847b3fb2305838415dda4d29d76

  • SHA256

    4632afaaca26e69491829d3b0572f3428b4c1c6bbaa290f988c8ed9860973367

  • SHA512

    c51109fffd11fd7f433f025774ffde178882037907b21d86e3e221072f0655fc2b4a7d0d4125b5dcb6968ab764d88f882aaa0aec7b483f0ca6a02de6f39237f8

  • SSDEEP

    6144:vYpBGaYLFCZnrMMgJUlFfK2oXiPUXGSl:vcBGRErMMY+Ff0cUXD

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

rc4.i32
rc4.i32

Targets

    • Target

      835b683a6c981701441fa8b0a1bb2f5d.exe

    • Size

      277KB

    • MD5

      835b683a6c981701441fa8b0a1bb2f5d

    • SHA1

      61b6430628d1a847b3fb2305838415dda4d29d76

    • SHA256

      4632afaaca26e69491829d3b0572f3428b4c1c6bbaa290f988c8ed9860973367

    • SHA512

      c51109fffd11fd7f433f025774ffde178882037907b21d86e3e221072f0655fc2b4a7d0d4125b5dcb6968ab764d88f882aaa0aec7b483f0ca6a02de6f39237f8

    • SSDEEP

      6144:vYpBGaYLFCZnrMMgJUlFfK2oXiPUXGSl:vcBGRErMMY+Ff0cUXD

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks