Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/06/2024, 01:26

General

  • Target
    9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe
  • Size 28KB
  • Sample240603-btjhqsff37
  • SHA256 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe
    "C:\Users\Admin\AppData\Local\Temp\9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Users\Admin\AppData\Local\Temp\Chrome.exe
      "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:4364

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        Chrome.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Chrome.exe
        • Size 28KB
        • SHA256 9b334d2b8db951b393e19d87eb88115973977fd38c438fc441ba6f68a010cfbc
        • MD5 SHA1 SHA512 SSDEEP

        memory/3488-13-0x0000000074B50000-0x0000000075101000-memory.dmp

        memory/3488-14-0x0000000074B50000-0x0000000075101000-memory.dmp

        memory/3488-16-0x0000000074B50000-0x0000000075101000-memory.dmp

        memory/3856-0-0x0000000074B52000-0x0000000074B53000-memory.dmp

        memory/3856-1-0x0000000074B50000-0x0000000075101000-memory.dmp

        memory/3856-2-0x0000000074B50000-0x0000000075101000-memory.dmp

        memory/3856-12-0x0000000074B50000-0x0000000075101000-memory.dmp