General

  • Target

    Insta乗っ取り.exe

  • Size

    12.5MB

  • Sample

    241126-nmra8avrfq

  • MD5

    17858d64657673a270792159a7b4b199

  • SHA1

    e87b39ee15ae8a134c08da07f2e7f9176539a46d

  • SHA256

    513f4d27b4f4733c9880d07c908152949a1b2c6a33846695b922961674f1d0e3

  • SHA512

    4d7a36ea4159ea8fea69435ce403eebeb8e12f3a05926e2b045c5fd4ebacd4be87544b84200eb4db3b7a9fc9122021b99254b9212e002b0b8a339f3b567148e5

  • SSDEEP

    196608:hA4IKKTFLn3Fc3v7SLg9j44mtHn8dlWcQZt/VqugppwAcIHLGvgZBMPe:OjpTFcF9U4SWWb7VacIrG3

Malware Config

Targets

    • Target

      Insta乗っ取り.exe

    • Size

      12.5MB

    • MD5

      17858d64657673a270792159a7b4b199

    • SHA1

      e87b39ee15ae8a134c08da07f2e7f9176539a46d

    • SHA256

      513f4d27b4f4733c9880d07c908152949a1b2c6a33846695b922961674f1d0e3

    • SHA512

      4d7a36ea4159ea8fea69435ce403eebeb8e12f3a05926e2b045c5fd4ebacd4be87544b84200eb4db3b7a9fc9122021b99254b9212e002b0b8a339f3b567148e5

    • SSDEEP

      196608:hA4IKKTFLn3Fc3v7SLg9j44mtHn8dlWcQZt/VqugppwAcIHLGvgZBMPe:OjpTFcF9U4SWWb7VacIrG3

    • Modifies WinLogon for persistence

    • UAC bypass

    • Blocks application from running via registry modification

      Adds application to list of disallowed applications.

    • Disables Task Manager via registry modification

    • Possible privilege escalation attempt

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • File and Directory Permissions Modification: Windows File and Directory Permissions Modification

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks