Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/05/2024, 12:34

General

  • Target
    AppSetup.exe
  • Size 150.4MB
  • Sample240512-prvd4sfa5w
  • SHA256 baa1a7ac4670503bcadbfcb572a2dcca0c798b7fa71c7f507e1c7c869349a17a
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AppSetup.exe
    "C:\Users\Admin\AppData\Local\Temp\AppSetup.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\AppSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\AppSetup.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\AppSetup" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1600 --field-trial-handle=1744,i,3418565594055812098,4600440205304708964,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
      2⤵
        PID:1756
      • C:\Users\Admin\AppData\Local\Temp\AppSetup.exe
        "C:\Users\Admin\AppData\Local\Temp\AppSetup.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\AppSetup" --mojo-platform-channel-handle=2096 --field-trial-handle=1744,i,3418565594055812098,4600440205304708964,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
        2⤵
          PID:2088
        • C:\Users\Admin\AppData\Local\Temp\AppSetup.exe
          "C:\Users\Admin\AppData\Local\Temp\AppSetup.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\AppSetup" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2340 --field-trial-handle=1744,i,3418565594055812098,4600440205304708964,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
          2⤵
          • Checks computer location settings
          PID:4504
        • C:\Users\Admin\AppData\Local\Temp\AppSetup.exe
          "C:\Users\Admin\AppData\Local\Temp\AppSetup.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --user-data-dir="C:\Users\Admin\AppData\Roaming\AppSetup" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=752 --field-trial-handle=1744,i,3418565594055812098,4600440205304708964,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1312

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            Network Persistent State

            • Path C:\Users\Admin\AppData\Roaming\AppSetup\Network\Network Persistent State
            • Size 495B
            • SHA256 a9ff389ba94a6709f9471da0b9384125973ff27161901cd1d2b2bd3b9ab9839e
            • MD5 SHA1 SHA512

            Network Persistent State~RFe5889ec.TMP

            • Path C:\Users\Admin\AppData\Roaming\AppSetup\Network\Network Persistent State~RFe5889ec.TMP
            • Size 59B
            • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
            • MD5 SHA1 SHA512

            default.dic

            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic
            • Size 2B
            • SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
            • MD5 SHA1 SHA512

            memory/1312-75-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-77-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-76-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-87-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-86-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-85-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-84-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-83-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-82-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1312-81-0x0000027B88390000-0x0000027B88391000-memory.dmp

            memory/1756-2-0x00007FFC27C70000-0x00007FFC27C71000-memory.dmp