Analysis

  • max time kernel
    125s
  • max time network
    128s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    05-01-2025 12:42

General

  • Target

    WinLocker Builder v1.4.exe

  • Size

    699KB

  • MD5

    81dd862410af80c9d2717af912778332

  • SHA1

    8f1df476f58441db5973ccfdc211c8680808ffe1

  • SHA256

    60e76eda46185d1d2e9463d15e31d4c87eb03535d368cc3471c55992bc99ad5f

  • SHA512

    8dd014b91fb1e2122d2e4da444db78dd551513c500d447bb1e94ceb7f2f8d45223a8a706e2156102f8c8850d2bb02ae6b8ea0c9282abd7baaa2c84130112af15

  • SSDEEP

    12288:0L/xX5KVeOnuH/u1Wig295xsmVXf6AaQLmEc+pdmWSwIHUOS6Vp:0bxpUz13g27raQmEcomWSHHUD

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WinLocker Builder v1.4.exe
    "C:\Users\Admin\AppData\Local\Temp\WinLocker Builder v1.4.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1168
  • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=4556,i,15446853199651160304,16979033243148495184,262144 --variations-seed-version --mojo-platform-channel-handle=1064 /prefetch:8
    1⤵
      PID:3792
    • 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 --string-annotations=is-enterprise-managed=no --field-trial-handle=1308,i,15446853199651160304,16979033243148495184,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:8
      1⤵
        PID:4800

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1168-0-0x0000000000400000-0x0000000000545000-memory.dmp

        Filesize

        1.3MB

      • memory/1168-1-0x0000000002400000-0x0000000002401000-memory.dmp

        Filesize

        4KB

      • memory/1168-2-0x0000000000400000-0x0000000000545000-memory.dmp

        Filesize

        1.3MB

      • memory/1168-4-0x0000000002400000-0x0000000002401000-memory.dmp

        Filesize

        4KB

      • memory/1168-5-0x0000000000400000-0x0000000000545000-memory.dmp

        Filesize

        1.3MB