General

  • Target

    NEAS.a4fab58cfff9ddd79c0d4cdfd8de4020.exe

  • Size

    643KB

  • Sample

    231112-216jysdd4x

  • MD5

    a4fab58cfff9ddd79c0d4cdfd8de4020

  • SHA1

    7326e468fcd49b5c381d5f188906ba94ed3ee0c5

  • SHA256

    a555775d27b965ad4eef2919173dda2965e9a9752c64abea96104b2905bf6fc9

  • SHA512

    f3fe80b2fc5795a74e885997eccfee1e8628c425aa525721280e834baf3c04d99b4f33e00d02971089980c089d423e0ebbf8a33c60dd42199a91e015e70157e9

  • SSDEEP

    12288:DMrIy901z3rVYOcLE89QaDJnxuUPFWJeeVbIgHSicWtr:fyGDrVXoJnxTdCeUIgbntr

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Targets

    • Target

      NEAS.a4fab58cfff9ddd79c0d4cdfd8de4020.exe

    • Size

      643KB

    • MD5

      a4fab58cfff9ddd79c0d4cdfd8de4020

    • SHA1

      7326e468fcd49b5c381d5f188906ba94ed3ee0c5

    • SHA256

      a555775d27b965ad4eef2919173dda2965e9a9752c64abea96104b2905bf6fc9

    • SHA512

      f3fe80b2fc5795a74e885997eccfee1e8628c425aa525721280e834baf3c04d99b4f33e00d02971089980c089d423e0ebbf8a33c60dd42199a91e015e70157e9

    • SSDEEP

      12288:DMrIy901z3rVYOcLE89QaDJnxuUPFWJeeVbIgHSicWtr:fyGDrVXoJnxTdCeUIgbntr

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Executes dropped EXE

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks