Analysis

  • max time kernel
    299s
  • max time network
    299s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 18:09

General

  • Target
    OficioDigitalPCPA.exe
  • Size 54.0MB
  • Sample260511-wref8abw4j
  • SHA256 e1f179df4b7c946e7161d61da71c136c2ddd203434f6cd926556894b48c712ea
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 14 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 2 IoCs

    Inno Setup installer

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\OficioDigitalPCPA.exe
    "C:\Users\Admin\AppData\Local\Temp\OficioDigitalPCPA.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\is-KTJ5TBQLJ4.tmp\OficioDigitalPCPA.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-KTJ5TBQLJ4.tmp\OficioDigitalPCPA.tmp" /SL5="$70276,55365982,887296,C:\Users\Admin\AppData\Local\Temp\OficioDigitalPCPA.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
        "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe"
        3⤵
        • Adds Run key to start application
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1116
        • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
          "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe" --type=gpu-process --field-trial-handle=1752,12211829424777848580,6151458576138910632,131072 --enable-features=WebComponentsV0Enabled --disable-features=SpareRendererForSitePerProcess --gpu-preferences=KAAAAAAAAADgAAAwAAAAAAAAYAAAAAAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --mojo-platform-channel-handle=1748 --ignored=" --type=renderer " /prefetch:2
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:4776
        • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
          "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe" --type=utility --field-trial-handle=1752,12211829424777848580,6151458576138910632,131072 --enable-features=WebComponentsV0Enabled --disable-features=SpareRendererForSitePerProcess --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2188 /prefetch:8
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:2076
        • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
          "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe" --type=gpu-process --field-trial-handle=1752,12211829424777848580,6151458576138910632,131072 --enable-features=WebComponentsV0Enabled --disable-features=SpareRendererForSitePerProcess --disable-gpu-sandbox --use-gl=disabled --gpu-preferences=KAAAAAAAAADoAAAwAAAAAAAAYAAAAAAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --mojo-platform-channel-handle=1824 /prefetch:2
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:1320
  • C:\Windows\System32\CompPkgSrv.exe
    C:\Windows\System32\CompPkgSrv.exe -Embedding
    1⤵
      PID:2044
    • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
      C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
      1⤵
      • Adds Run key to start application
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2984
      • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
        "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe" --type=gpu-process --field-trial-handle=1764,14144877625621343288,5148761725718159739,131072 --enable-features=WebComponentsV0Enabled --disable-features=SpareRendererForSitePerProcess --gpu-preferences=KAAAAAAAAADgAAAwAAAAAAAAYAAAAAAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --mojo-platform-channel-handle=1772 --ignored=" --type=renderer " /prefetch:2
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4816
      • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
        "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe" --type=utility --field-trial-handle=1764,14144877625621343288,5148761725718159739,131072 --enable-features=WebComponentsV0Enabled --disable-features=SpareRendererForSitePerProcess --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2224 /prefetch:8
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:484
      • C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe
        "C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\Grape.exe" --type=gpu-process --field-trial-handle=1764,14144877625621343288,5148761725718159739,131072 --enable-features=WebComponentsV0Enabled --disable-features=SpareRendererForSitePerProcess --disable-gpu-sandbox --use-gl=disabled --gpu-preferences=KAAAAAAAAADoAAAwAAAAAAAAYAAAAAAAEAAAAAAAAAAAAAAAAAAAACgAAAAEAAAAIAAAAAAAAAAoAAAAAAAAADAAAAAAAAAAOAAAAAAAAAAQAAAAAAAAAAAAAAAFAAAAEAAAAAAAAAAAAAAABgAAABAAAAAAAAAAAQAAAAUAAAAQAAAAAAAAAAEAAAAGAAAA --mojo-platform-channel-handle=2148 /prefetch:2
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1980
    • C:\Windows\System32\CompPkgSrv.exe
      C:\Windows\System32\CompPkgSrv.exe -Embedding
      1⤵
        PID:2612

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            D3DCompiler_47.dll

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\D3DCompiler_47.dll
            • Size 4.3MB
            • SHA256 4b074a3976399dc735484f5d43d04b519b7bdee8ac719d9ab8ed6bd4e6be0345
            • MD5 SHA1 SHA512 SSDEEP TLSH

            chrome_200_percent.pak

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\chrome_200_percent.pak
            • Size 312KB
            • SHA256 cd584f20aeed80fe5852d5d5656a12d25d9116d6b805ddbec3874d310925df2a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ffmpeg.dll

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\ffmpeg.dll
            • Size 2.2MB
            • SHA256 1a5ea394d48ec44bdffc87a0a414553acd7496058546fda51f2aa7afc774d277
            • MD5 SHA1 SHA512 SSDEEP TLSH

            icudtl.dat

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\icudtl.dat
            • Size 10.0MB
            • SHA256 594637e10b8f5c97157413528f0cbf5bc65b4ab9e79f5fa34fe268092655ec57
            • MD5 SHA1 SHA512 SSDEEP TLSH

            en-US.pak

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\locales\en-US.pak
            • Size 75KB
            • SHA256 3333cf1fb2b0c15ea819787ba672d2274f3136e6a8729f2e5d2796b740688183
            • MD5 SHA1 SHA512 SSDEEP TLSH

            resources.pak

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\resources.pak
            • Size 8.9MB
            • SHA256 7b2bccc7c2469d516116e9e9fb3ef9ee397ac98508ccd4f3f6714b7ccd1b9c3f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libGLESv2.dll

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\swiftshader\libGLESv2.dll
            • Size 3.6MB
            • SHA256 f1d11680aeba15d3f31fd3982da7a78b460705fd54e6033fd791e5298cdbfcd5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libegl.dll

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\swiftshader\libegl.dll
            • Size 392KB
            • SHA256 91e118f71d5605b24d58002f152fe7bfe95af85a0027076a944c62609357e16e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            v8_context_snapshot.bin

            • Path C:\Users\Admin\AppData\Local\ProSoftxUltraToolator\v8_context_snapshot.bin
            • Size 607KB
            • SHA256 172d37f02295e53a548907baac6eb33b3c2acaa49c1008bae27acf3a1a0d1c1a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            chrome_100_percent.pak

            • Path C:\Users\Admin\AppData\Local\Temp\is-97HST0J874.tmp\chrome_100_percent.pak
            • Size 175KB
            • SHA256 65cb11d090b32e0fb3c740a736c13c0a47cb1bcb265c084e3de5bb7474fb662f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            OficioDigitalPCPA.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\is-KTJ5TBQLJ4.tmp\OficioDigitalPCPA.tmp
            • Size 4.2MB
            • SHA256 e607637b946940c09fd8e1b440cb323ef4c028e985607cba74d342ad7e02dfed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            setup.txt

            • Path C:\Users\Admin\AppData\Roaming\setup.txt
            • Size 8B
            • SHA256 bfcd9a7f1abea620234acbc6decdf0ffa111748d648eacd22c2681868f1c3ae8
            • MD5 SHA1 SHA512

            memory/484-344-0x0000025A6CBF0000-0x0000025A6CCDA000-memory.dmp

            memory/1116-337-0x00000208AD060000-0x00000208AD14A000-memory.dmp

            memory/1320-428-0x0000022D41E00000-0x0000022D41EEA000-memory.dmp

            memory/1980-434-0x000002407B330000-0x000002407B41A000-memory.dmp

            memory/2076-339-0x000002C04A6B0000-0x000002C04A79A000-memory.dmp

            memory/2984-340-0x000002589DCB0000-0x000002589DD9A000-memory.dmp

            memory/3980-1-0x0000000000A70000-0x0000000000B58000-memory.dmp

            memory/3980-334-0x0000000000A70000-0x0000000000B58000-memory.dmp

            memory/4204-335-0x0000000000130000-0x000000000057A000-memory.dmp

            memory/4204-336-0x0000000001040000-0x0000000001041000-memory.dmp

            memory/4204-5-0x0000000001040000-0x0000000001041000-memory.dmp

            memory/4776-338-0x000001B8737F0000-0x000001B8738DA000-memory.dmp

            memory/4776-311-0x00007FFE0AE90000-0x00007FFE0AE91000-memory.dmp

            memory/4816-343-0x000001ABCC850000-0x000001ABCC93A000-memory.dmp