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01/09/2024, 14:15

240901-rkpldssgrl 7

Analysis

  • max time kernel
    301s
  • max time network
    290s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/09/2024, 14:15

General

  • Target

    Bootstrap Studio.exe

  • Size

    168.9MB

  • MD5

    1a825e6aacf1f7ddfdbee79d95e3e470

  • SHA1

    4a3ca9cfc59163f9b6dd9b158f912b22c0900294

  • SHA256

    1a27d9f8869d5b443ba850fd250188efb1a74c582701edc1ae0928bf6797fc4d

  • SHA512

    3b9fc79dfbf8b464c8259f6743d0c5585a0ea5986ba6ca5349a567b7b5331b5cafdd2ec790219040219d870a74920d130e49dd684ced97429350312b4278783b

  • SSDEEP

    3145728:wWUw7YjyTqqqqqqqqqqqqqqqqqqqqqqAaAK:wWUw4ar

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe
    "C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3376
    • C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe
      "C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\Bootstrap Studio" --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1696,i,7239574941709077398,3433768888322190136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1688 /prefetch:2
      2⤵
        PID:2596
      • C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe
        "C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\bstudio" --field-trial-handle=2104,i,7239574941709077398,3433768888322190136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2100 /prefetch:3
        2⤵
          PID:2320
        • C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe
          "C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\bstudio" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --field-trial-handle=2484,i,7239574941709077398,3433768888322190136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2480 /prefetch:1
          2⤵
            PID:2848
          • C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe
            "C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\bstudio" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3208,i,7239574941709077398,3433768888322190136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=3196 /prefetch:1
            2⤵
              PID:5000
            • C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.exe
              "C:\Users\Admin\AppData\Local\Temp\Bootstrap Studio.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=10.0.22000.1 --user-data-dir="C:\Users\Admin\AppData\Roaming\bstudio" --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2416,i,7239574941709077398,3433768888322190136,262144 --enable-features=kWebSQLAccess --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2400 /prefetch:8
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4012

          Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • C:\Users\Admin\AppData\Roaming\bstudio\Network\Network Persistent State

            Filesize

            380B

            MD5

            a59456b9f23851c74eeccf46d131488c

            SHA1

            e6f55262b2f53c414ffa5365d06855b5cbb4a2a0

            SHA256

            5e5b0d932380e963097a21268ebff29254f5500b1c37f41a24b2030ae0a5bacf

            SHA512

            37c551792bf7f914f147d212e3405f336e6bc3f22617ed91507e8828bcbb66a00a8eec9aec9daa8e429b446c174dd5e67cc6253fd531dcfc600d402419556458

          • C:\Users\Admin\AppData\Roaming\bstudio\Network\Network Persistent State~RFe58dd1c.TMP

            Filesize

            59B

            MD5

            2800881c775077e1c4b6e06bf4676de4

            SHA1

            2873631068c8b3b9495638c865915be822442c8b

            SHA256

            226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

            SHA512

            e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

          • C:\Users\Admin\AppData\Roaming\bstudio\Preferences

            Filesize

            57B

            MD5

            58127c59cb9e1da127904c341d15372b

            SHA1

            62445484661d8036ce9788baeaba31d204e9a5fc

            SHA256

            be4b8924ab38e8acf350e6e3b9f1f63a1a94952d8002759acd6946c4d5d0b5de

            SHA512

            8d1815b277a93ad590ff79b6f52c576cf920c38c4353c24193f707d66884c942f39ff3989530055d2fade540ade243b41b6eb03cd0cc361c3b5d514cca28b50a

          • C:\Users\Admin\AppData\Roaming\bstudio\Session Storage\CURRENT

            Filesize

            16B

            MD5

            46295cac801e5d4857d09837238a6394

            SHA1

            44e0fa1b517dbf802b18faf0785eeea6ac51594b

            SHA256

            0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

            SHA512

            8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

          • memory/4012-101-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-100-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-99-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-108-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-110-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-109-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-107-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-106-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-105-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB

          • memory/4012-111-0x0000023116A10000-0x0000023116A11000-memory.dmp

            Filesize

            4KB