Analysis

  • max time kernel
    144s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 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 use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\echo.exe
      "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=gpu-process --field-trial-handle=1608,7588697082596155615,641256586861443668,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\echo" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAANAAAAEAAAAAAAAAABAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1616 /prefetch:2
      2⤵
        PID:1412
      • 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=1608,7588697082596155615,641256586861443668,131072 --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=1860 /prefetch:8
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4764
      • 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=1608,7588697082596155615,641256586861443668,131072 --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=2364 /prefetch:1
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        PID:5032
      • 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=1608,7588697082596155615,641256586861443668,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3672 /prefetch:1
        2⤵
        • Checks computer location settings
        PID:3244
      • C:\Users\Admin\AppData\Local\Temp\echo.exe
        "C:\Users\Admin\AppData\Local\Temp\echo.exe" --type=gpu-process --field-trial-handle=1608,7588697082596155615,641256586861443668,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --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\echo" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAIAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAANAAAAEAAAAAAAAAABAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1968 /prefetch:2
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2536
    • C:\Windows\System32\CompPkgSrv.exe
      C:\Windows\System32\CompPkgSrv.exe -Embedding
      1⤵
        PID:3504

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            default.dic

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

            Network Persistent State

            • Path C:\Users\Admin\AppData\Roaming\echo\Network Persistent State
            • Size 1KB
            • SHA256 b949a99f970f4e196dcee29564a1d098851fb39ac3c75afb3ad4a53d1f9769e0
            • MD5 SHA1 SHA512

            Network Persistent State~RFe58b8bc.TMP

            • Path C:\Users\Admin\AppData\Roaming\echo\Network Persistent State~RFe58b8bc.TMP
            • Size 59B
            • SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
            • MD5 SHA1 SHA512

            Preferences

            • Path C:\Users\Admin\AppData\Roaming\echo\Preferences
            • Size 57B
            • SHA256 be4b8924ab38e8acf350e6e3b9f1f63a1a94952d8002759acd6946c4d5d0b5de
            • MD5 SHA1 SHA512

            Preferences~RFe57ccd5.TMP

            • Path C:\Users\Admin\AppData\Roaming\echo\Preferences~RFe57ccd5.TMP
            • Size 202B
            • SHA256 c4c42a1c8f3115bd2a468ccc99c118cc37835500ef5076147723ae69955561b7
            • MD5 SHA1 SHA512

            MANIFEST-000001

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

            the-real-index

            • Path C:\Users\Admin\AppData\Roaming\echo\Service Worker\ScriptCache\index-dir\the-real-index
            • Size 48B
            • SHA256 85b5defae0c0ed5afed4fd4a18c89e37c452f260abd1a30a1553b10d77f83065
            • MD5 SHA1 SHA512

            the-real-index~RFe57f8d7.TMP

            • Path C:\Users\Admin\AppData\Roaming\echo\Service Worker\ScriptCache\index-dir\the-real-index~RFe57f8d7.TMP
            • Size 72B
            • SHA256 b85feebb526526b5e9ffbf591a08b6cc41ed2c5418894eb1c69da470638267ae
            • MD5 SHA1 SHA512

            CURRENT

            • Path C:\Users\Admin\AppData\Roaming\echo\Session Storage\CURRENT
            • Size 16B
            • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
            • 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/1412-2-0x00007FF970D00000-0x00007FF970D01000-memory.dmp

            memory/2536-325-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-326-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-327-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-333-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-334-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-332-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-331-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-335-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-337-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/2536-336-0x000001C0A04D0000-0x000001C0A04D1000-memory.dmp

            memory/3244-258-0x00007FF971F80000-0x00007FF971F81000-memory.dmp

            memory/3244-259-0x00007FF972920000-0x00007FF972921000-memory.dmp