Analysis

  • max time kernel
    90s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2024, 01:28

General

  • Target
    88312d4109d49430e7ade9064ca2d252.exe
  • Size 82KB
  • Sample240202-bv5gladadr
  • SHA256 e597c1588a75c77a9e41413069c649691a4fb8673281df15d98c4f13a6dcd684
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • NSIS installer 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88312d4109d49430e7ade9064ca2d252.exe
    "C:\Users\Admin\AppData\Local\Temp\88312d4109d49430e7ade9064ca2d252.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:4168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        InstallOptions.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsx4D94.tmp\InstallOptions.dll
        • Size 13KB
        • SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
        • MD5 SHA1 SHA512 SSDEEP

        System.dll

        • Path C:\Users\Admin\AppData\Local\Temp\nsx4D94.tmp\System.dll
        • Size 10KB
        • SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
        • MD5 SHA1 SHA512 SSDEEP

        ioSpecial.ini

        • Path C:\Users\Admin\AppData\Local\Temp\nsx4D94.tmp\ioSpecial.ini
        • Size 641B
        • SHA256 95ea492a159441521b8f738de37cb50c31dacbf153aa6d1aceedd8fed20585e5
        • MD5 SHA1 SHA512

        Au_.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
        • Size 82KB
        • SHA256 e597c1588a75c77a9e41413069c649691a4fb8673281df15d98c4f13a6dcd684
        • MD5 SHA1 SHA512 SSDEEP