Analysis

  • max time kernel
    142s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 07:58

General

  • Target
    6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
  • Size 6.6MB
  • Sample240526-jtylnacf92
  • SHA256 6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 1 IoCs
  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • 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 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe
    "C:\Users\Admin\AppData\Local\Temp\6bd479dd9293043d4149641897629169df609adf72926d32adfe0094c583828e.exe"
    1⤵
    • Modifies firewall policy service
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    PID:4068
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:3712
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:468
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4252,i,16710585221322798697,8586257254049248207,262144 --variations-seed-version --mojo-platform-channel-handle=4132 /prefetch:8
        1⤵
          PID:1244

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              memory/4068-0-0x0000000140000000-0x0000000140DF9000-memory.dmp

              memory/4068-3-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

              memory/4068-4-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

              memory/4068-2-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

              memory/4068-1-0x00007FFDBEF54000-0x00007FFDBEF55000-memory.dmp

              memory/4068-5-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

              memory/4068-7-0x0000000140000000-0x0000000140DF9000-memory.dmp

              memory/4068-8-0x0000000140000000-0x0000000140DF9000-memory.dmp

              memory/4068-9-0x0000000140000000-0x0000000140DF9000-memory.dmp

              memory/4068-6-0x0000000140000000-0x0000000140DF9000-memory.dmp

              memory/4068-10-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

              memory/4068-18-0x0000000140000000-0x0000000140DF9000-memory.dmp

              memory/4068-20-0x00007FFDBEEF0000-0x00007FFDBF1B9000-memory.dmp

              memory/4068-19-0x00007FFDBEF54000-0x00007FFDBEF55000-memory.dmp