Analysis

  • max time kernel
    316s
  • max time network
    866s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    15-06-2024 19:21

General

  • Target

    LatteLoader.proc.exe

  • Size

    3.8MB

  • MD5

    b7c8096e33fc32793029095fd12bbd7e

  • SHA1

    4c99c9b6a3a13794e344be7d91f305777ffbbfdd

  • SHA256

    83aebb7f08de8734ddfa49ae2f266737681bb8e28536933bd0612ff6dbbb4e1f

  • SHA512

    231c1c40a106942bc3fb5b2c1094c91d23215cbaa0a5f84a981908d41af2c967d47d317213a1e5cc55369536977ad5ccee01b06b29a451c8b8e0cf1bf233dc88

  • SSDEEP

    98304:0dnxNseX5BrRZMq57ofZgdNjwUCoz09QYFBVznmj8:0drscbt93dNfDzMBhmo

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.exe
    "C:\Users\Admin\AppData\Local\Temp\LatteLoader.proc.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c start cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:204
      • C:\Windows\system32\cmd.exe
        cmd /C "color b && title Error && echo You need to run the KeyAuthApp.init(); function before any other KeyAuth functions && timeout /t 5"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4560
        • C:\Windows\system32\timeout.exe
          timeout /t 5
          4⤵
          • Delays execution with timeout.exe
          PID:2292
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5016

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2056-0-0x0000000140000000-0x0000000140A39000-memory.dmp
      Filesize

      10.2MB

    • memory/2056-7-0x00007FFD8B948000-0x00007FFD8B94A000-memory.dmp
      Filesize

      8KB

    • memory/2056-8-0x0000000140000000-0x0000000140A39000-memory.dmp
      Filesize

      10.2MB

    • memory/2056-9-0x0000000140000000-0x0000000140A39000-memory.dmp
      Filesize

      10.2MB

    • memory/2056-10-0x0000000140000000-0x0000000140A39000-memory.dmp
      Filesize

      10.2MB

    • memory/2056-12-0x0000000140000000-0x0000000140A39000-memory.dmp
      Filesize

      10.2MB