Analysis

  • max time kernel
    70s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/05/2024, 12:19

General

  • Target
    Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1/Yuka - Scattered Shards of the Yokai/Game.exe
  • Size 1.5MB
  • Sample240511-phgfwsae99
  • SHA256 487bd28f3d0b43ed9827ba519d6d113c4f31059bd62b4492da586c7bc82a9474
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe
    "C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe
      "C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\nwjs\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\nwjs\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\nwjs\User Data" --annotation=plat=Win32 --annotation=prod= --annotation=ver= --initial-client-data=0x2d4,0x2d8,0x2dc,0x2a8,0x2e0,0x7584d0e0,0x7584d0f0,0x7584d0fc
      2⤵
        PID:4656
      • C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe
        "C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe" --type=gpu-process --field-trial-handle=1660,8667105639100820237,14568635162191904599,131072 --no-sandbox --user-data-dir="C:\Users\Admin\AppData\Local\User Data" --nwapp-path="C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai" --gpu-preferences=KAAAAAAAAAAABwCAAQAAAAAAAAAAAGAAAQAAAAAAAAAIAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAKAAAAEAAAAAAAAAAAAAAACwAAABAAAAAAAAAAAQAAAAoAAAAQAAAAAAAAAAEAAAALAAAA --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor=Microsoft --gpu-driver-version=10.0.19041.868 --gpu-driver-date=6-21-2006 --user-data-dir="C:\Users\Admin\AppData\Local\User Data" --nwapp-path="C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai" --service-request-channel-token=C58A8AC27763B9CEB6CD4942D0436A6D --mojo-platform-channel-handle=1676 /prefetch:2
        2⤵
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        PID:2660
      • C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe
        "C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai\Game.exe" --type=renderer --js-flags=--expose-gc --no-sandbox --no-zygote --field-trial-handle=1660,8667105639100820237,14568635162191904599,131072 --service-pipe-token=7248855DC8787947F50335FA228D75A0 --lang=en-US --user-data-dir="C:\Users\Admin\AppData\Local\User Data" --nwapp-path="C:\Users\Admin\AppData\Local\Temp\Yuka_-_Scattered_Shards_of_the_Yokai_ENG R1\Yuka - Scattered Shards of the Yokai" --nwjs --extension-process --disable-client-side-phishing-detection --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --blink-settings=disallowFetchForDocWrittenScriptsInMainFrame=false,disallowFetchForDocWrittenScriptsInMainFrameOnSlowConnections=true,cssExternalScannerNoPreload=false,cssExternalScannerPreload=true --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-checker-imaging --enable-compositor-image-animations --service-request-channel-token=7248855DC8787947F50335FA228D75A0 --renderer-client-id=3 --mojo-platform-channel-handle=2572 /prefetch:1
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4776
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x49c 0x4a0
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4164

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          52619b8b-76c2-4817-8b82-4514b67068e7.tmp

          • Path C:\Users\Admin\AppData\Local\User Data\52619b8b-76c2-4817-8b82-4514b67068e7.tmp
          • Size 1KB
          • SHA256 93e493afd38dccc28d064a92e118a1b3c8b889518bded58ee38daf767121eb0e
          • MD5 SHA1 SHA512

          000002.dbtmp

          • Path C:\Users\Admin\AppData\Local\User Data\Default\data_reduction_proxy_leveldb\000002.dbtmp
          • Size 16B
          • SHA256 1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167
          • MD5 SHA1 SHA512

          CURRENT

          • Path C:\Users\Admin\AppData\Local\User Data\Default\data_reduction_proxy_leveldb\CURRENT
          • Size 16B
          • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
          • MD5 SHA1 SHA512

          MANIFEST-000001

          • Path C:\Users\Admin\AppData\Local\User Data\Default\data_reduction_proxy_leveldb\MANIFEST-000001
          • Size 41B
          • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
          • MD5 SHA1 SHA512

          Local State~RFe5a3d29.TMP

          • Path C:\Users\Admin\AppData\Local\User Data\Local State~RFe5a3d29.TMP
          • Size 1KB
          • SHA256 dc53aad89897505bcdff7580def0ad61a57a0c8612c6777103a7a736849db915
          • MD5 SHA1 SHA512