Analysis

  • max time kernel
    27s
  • max time network
    20s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    09/06/2024, 20:38

General

  • Target
    install.exe
  • Size 164KB
  • Sample240609-zerskafd56
  • SHA256 be8b784930db373c77c4af35def8dd62bab00b25e7980a2198e6292610074aa6
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install.exe
    "C:\Users\Admin\AppData\Local\Temp\install.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\LocalefUjwRZZGA.exe
      "C:\Users\Admin\AppData\LocalefUjwRZZGA.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3916

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        LocalefUjwRZZGA.exe

        • Path C:\Users\Admin\AppData\LocalefUjwRZZGA.exe
        • Size 138KB
        • SHA256 54f2e357163305a265fd3cbd6bc287c1338e691a4e6975e1e9631b0ebddb920a
        • MD5 SHA1 SHA512 SSDEEP

        memory/3916-14-0x00007FFA7F190000-0x00007FFA7F36B000-memory.dmp

        memory/3916-12-0x0000000000680000-0x00000000006AC000-memory.dmp

        memory/3916-16-0x00000000026E0000-0x00000000026EC000-memory.dmp

        memory/3916-17-0x00007FFA7F190000-0x00007FFA7F36B000-memory.dmp

        memory/4568-0-0x00007FFA7F190000-0x00007FFA7F36B000-memory.dmp

        memory/4568-1-0x00007FFA7F190000-0x00007FFA7F36B000-memory.dmp

        memory/4568-2-0x00007FFA7F190000-0x00007FFA7F36B000-memory.dmp

        memory/4568-15-0x00007FFA7F190000-0x00007FFA7F36B000-memory.dmp