Analysis

  • max time kernel
    121s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 04:40

General

  • Target
    echo.exe
  • Size 133.1MB
  • Sample240709-fa2mesyfjh
  • SHA256 2312e8fb1738a48e0527464968cbabd8d02dbf69cde9e3cb61dcd47d78ad1381
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\echo.exe
    "C:\Users\Admin\AppData\Local\Temp\echo.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2056
    • C:\Users\Admin\AppData\Local\Temp\echo.exe
      "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=gpu-process --field-trial-handle=916,7518667795905732851,16517360287091805404,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\echo" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAANAAAAEAAAAAAAAAABAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=928 /prefetch:2
      2⤵
        PID:2928
      • C:\Users\Admin\AppData\Local\Temp\echo.exe
        "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=916,7518667795905732851,16517360287091805404,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\echo" --mojo-platform-channel-handle=1264 /prefetch:8
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2836
      • C:\Users\Admin\AppData\Local\Temp\echo.exe
        "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\echo" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --field-trial-handle=916,7518667795905732851,16517360287091805404,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=1548 /prefetch:1
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        PID:2896
      • C:\Users\Admin\AppData\Local\Temp\echo.exe
        "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=gpu-process --field-trial-handle=916,7518667795905732851,16517360287091805404,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\echo" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAANAAAAEAAAAAAAAAABAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1172 /prefetch:2
        2⤵
          PID:3044
        • C:\Users\Admin\AppData\Local\Temp\echo.exe
          "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\echo" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --enable-websql --field-trial-handle=916,7518667795905732851,16517360287091805404,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2176 /prefetch:1
          2⤵
          • Checks computer location settings
          PID:2364

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            94308059B57B3142E455B38A6EB92015

            • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
            • Size 342B
            • SHA256 afb1312a9fa4054e2ec9cb9664531400a9a0c179d82c3cdd183ff6dcdf37de40
            • MD5 SHA1 SHA512

            CabE7B2.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\CabE7B2.tmp
            • Size 70KB
            • SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
            • MD5 SHA1 SHA512 SSDEEP

            TarE7C5.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\TarE7C5.tmp
            • Size 181KB
            • SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
            • MD5 SHA1 SHA512 SSDEEP

            f_000001

            • Path C:\Users\Admin\AppData\Roaming\echo\Cache\f_000001
            • Size 441KB
            • SHA256 0d6803758ff8f87081fafd62e90f0950dfb2dd7991e9607fe76a8f92d0e893fa
            • MD5 SHA1 SHA512 SSDEEP

            CURRENT

            • Path C:\Users\Admin\AppData\Roaming\echo\Service Worker\Database\CURRENT
            • Size 16B
            • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
            • MD5 SHA1 SHA512

            MANIFEST-000001

            • Path C:\Users\Admin\AppData\Roaming\echo\Session Storage\MANIFEST-000001
            • Size 41B
            • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
            • MD5 SHA1 SHA512

            prepareInjection.js

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\build\prepareInjection.js
            • Size 1KB
            • SHA256 b51e4c56e9916093f02b4889633ed313dee7f6f8393c808dc039a92ad9489729
            • MD5 SHA1 SHA512

            128-deadcode.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\128-deadcode.png
            • Size 2KB
            • SHA256 e3e4ce549604652a6a573550f34b3994992d7d70bfd39bf69fc30cfd769b75f8
            • MD5 SHA1 SHA512

            128-restricted.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\128-restricted.png
            • Size 1KB
            • SHA256 cbde2b973624ad785f37523efecca9721813354f2a7e21ecd305560acc138c06
            • MD5 SHA1 SHA512

            16-deadcode.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\16-deadcode.png
            • Size 338B
            • SHA256 705902c00dc5cf4ac85d9eac512a17b2e0bb427dc98cb2cc8f19322a95600076
            • MD5 SHA1 SHA512

            16-restricted.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\16-restricted.png
            • Size 288B
            • SHA256 131e9ff247e8e9257351129b203709d8a8a25488f7159b498d661ba8510efd7e
            • MD5 SHA1 SHA512

            32-deadcode.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\32-deadcode.png
            • Size 561B
            • SHA256 53b429c91414bee3fe255328029eff513f172fffc41fd63d95aaadb697ce71a5
            • MD5 SHA1 SHA512

            32-restricted.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\32-restricted.png
            • Size 490B
            • SHA256 1141df69cf1d1985c49f795b65acba57e4d2399e6ff50bb3e6bdc0b710f27804
            • MD5 SHA1 SHA512

            48-deadcode.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\48-deadcode.png
            • Size 826B
            • SHA256 546c0260ab5a03c3075e9278956019214bb6433de266c6f95b7021c0115070e2
            • MD5 SHA1 SHA512

            48-restricted.png

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\48-restricted.png
            • Size 730B
            • SHA256 0ddff2151123e022e007e09576a6b030c38021d0fffc7546f0c9a1b8529813e2
            • MD5 SHA1 SHA512

            development.svg

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\development.svg
            • Size 3KB
            • SHA256 acc667332543cd491097b281fd35bd49bf435768d4cb2ab8f579740072756313
            • MD5 SHA1 SHA512

            restricted.svg

            • Path C:\Users\Admin\AppData\Roaming\echo\extensions\fmkadmapgofadopljbjfkapdkoienihi\icons\restricted.svg
            • Size 1KB
            • SHA256 279310c2dfe871f3f6a875ef3d5cfb8922d37faeeb9c127ec312aeebe1c51cd3
            • MD5 SHA1 SHA512

            memory/2928-1-0x0000000000060000-0x0000000000061000-memory.dmp

            memory/2928-34-0x0000000076C00000-0x0000000076C01000-memory.dmp