General

  • Target

    Insta乗っ取り.exe

  • Size

    12.5MB

  • Sample

    241126-nbczfsylc1

  • MD5

    ef4649f67abef4fd58b048c204b1f78c

  • SHA1

    e8fac7ea7d374c33307d98a157035a7ade346f90

  • SHA256

    52be50dc46342cbd04e2f678f28225d30d9e281f8fa93e80d2f3d7557585ce6f

  • SHA512

    810f76338e2be0cae131fd6452a7205bed980d33256b192035a9cd10ca8c1b9a13455bdf2d2824042b7ebedf005af1ce916b5575287014b46c413b7f42b8e553

  • SSDEEP

    196608:HxmHFsENsAla3ZZeD+StRYZMKhzCzH2lwIh+RIgTDDrieEIkYKFrnMO6BuBjOHuh:EHF3No3ZZeyFrqH2NQIFYKRnyuBeue2

Malware Config

Targets

    • Target

      Insta乗っ取り.exe

    • Size

      12.5MB

    • MD5

      ef4649f67abef4fd58b048c204b1f78c

    • SHA1

      e8fac7ea7d374c33307d98a157035a7ade346f90

    • SHA256

      52be50dc46342cbd04e2f678f28225d30d9e281f8fa93e80d2f3d7557585ce6f

    • SHA512

      810f76338e2be0cae131fd6452a7205bed980d33256b192035a9cd10ca8c1b9a13455bdf2d2824042b7ebedf005af1ce916b5575287014b46c413b7f42b8e553

    • SSDEEP

      196608:HxmHFsENsAla3ZZeD+StRYZMKhzCzH2lwIh+RIgTDDrieEIkYKFrnMO6BuBjOHuh:EHF3No3ZZeyFrqH2NQIFYKRnyuBeue2

    • 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