Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/09/2024, 16:59

General

  • Target

    Crystal Client Launcher.exe

  • Size

    133.2MB

  • MD5

    f2d952c283c535a6c0247f610d5cf6f2

  • SHA1

    eddf220e263c4b8610606f538e0b28574ea359f4

  • SHA256

    8dc40dcd2d9d2c65785999249112fe7729d546f378bd85828a65c29db9078628

  • SHA512

    9d395fce49cda66e2746abece61ff0d290d43842dcd0a78d4fdb76d145f03d9856ce4f0ad6589bc135700608769fe2b58b798a7f2b64bb64945df70ec761bd4a

  • SSDEEP

    1572864:P2HVo9Ck+yOBBdJAVwlymAETslfp409t:v9Ctx3tu

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 14 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe"
    1⤵
    • Checks computer location settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe
      "C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe" --type=gpu-process --field-trial-handle=1640,106014052756370249,1912214612922748160,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --user-data-dir="C:\Users\Admin\AppData\Roaming\crystalclient-launcher" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAANAAAAEAAAAAAAAAABAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1648 /prefetch:2
      2⤵
        PID:868
      • C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1640,106014052756370249,1912214612922748160,131072 --disable-features=PlzServiceWorker,SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\crystalclient-launcher" --mojo-platform-channel-handle=1896 /prefetch:8
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3988
      • C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\crystalclient-launcher" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --force-device-scale-factor=1 --field-trial-handle=1640,106014052756370249,1912214612922748160,131072 --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=4 --mojo-platform-channel-handle=2344 /prefetch:1
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        PID:4840
      • C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\Crystal Client Launcher.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\crystalclient-launcher" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --enable-sandbox --force-device-scale-factor=1 --field-trial-handle=1640,106014052756370249,1912214612922748160,131072 --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=5 --mojo-platform-channel-handle=3288 /prefetch:1
        2⤵
        • Checks computer location settings
        PID:1408
    • C:\Windows\System32\CompPkgSrv.exe
      C:\Windows\System32\CompPkgSrv.exe -Embedding
      1⤵
        PID:1688

      Network

      MITRE ATT&CK Enterprise v15

      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\crystalclient-launcher\445b111e-bfbe-43a0-af5b-c2d9ec03f850.tmp

        Filesize

        705B

        MD5

        5d9d0ca98985d34915a5f048db9cceac

        SHA1

        66326c868cfab4ad872300422b9a32d05b87eb16

        SHA256

        9d5f47fca733cfd3d008701dbcdcbb2481c5752a6dcf6bece741d7a9c9f79c5c

        SHA512

        47b46798a748259c7e892836656e11215f26bca3bc7f05970e7b0abace3bd356d85c87f462bbe7664c65fbc5bbcb5c3cd3b17114f560cde5d258429c8c4240e4

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Code Cache\js\index-dir\the-real-index

        Filesize

        48B

        MD5

        2905b0796d7e3bd5f04d3eafb4eff686

        SHA1

        78fdcf34ecc19763b23031c6378a1a4a17f70567

        SHA256

        740f47738302609fa2ea171ce738daa0c035fd1cc409fbb26883ee184a4f86a5

        SHA512

        0199bfa1da6f2e5a3a7e275c3d6d63db2af443769565ef421397945b7f5a1393ebc27c16a8cffbd5b65f1f66ddba50e22c5d336bee8777ad2ddc44c6962b3984

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Code Cache\js\index-dir\the-real-index

        Filesize

        96B

        MD5

        241a3ec7c2d7e1288000559b00ae0f34

        SHA1

        abf531799a5c503314365a32e15712a6252f40fa

        SHA256

        505b483ce05c6cb62492c0fc62ef981ea7c64e3d45f10e6bde4729a314e2ddce

        SHA512

        d67bfdf4e13fa4f4a0ed1e276b4aba861033beb17c47c8d85b92e6b89e9b85fe564930d9e8666bea36990599381d7765ef6a69cf7a80e6461b36cd3898ef155f

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Network Persistent State

        Filesize

        1KB

        MD5

        5ec6b1c6f27895fee29c127d2da83dcb

        SHA1

        25399b5af58e64e5f8563356421a1daa3f6aebeb

        SHA256

        ebd87a356b72620f1ceb3c816f6269f31bb0177143a4c14f52ddde246caa237f

        SHA512

        ba24e0836414bdf282f7551e8eca11080837248251afe580f9e82d49b6a984636d8c7ef9453f719ece8fcde8534005808ea80ac9f27a5ab564d28f151c47d189

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Network Persistent State~RFe58b8eb.TMP

        Filesize

        59B

        MD5

        78bfcecb05ed1904edce3b60cb5c7e62

        SHA1

        bf77a7461de9d41d12aa88fba056ba758793d9ce

        SHA256

        c257f929cff0e4380bf08d9f36f310753f7b1ccb5cb2ab811b52760dd8cb9572

        SHA512

        2420dff6eb853f5e1856cdab99561a896ea0743fcff3e04b37cb87eddf063770608a30c6ffb0319e5d353b0132c5f8135b7082488e425666b2c22b753a6a4d73

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Preferences

        Filesize

        57B

        MD5

        58127c59cb9e1da127904c341d15372b

        SHA1

        62445484661d8036ce9788baeaba31d204e9a5fc

        SHA256

        be4b8924ab38e8acf350e6e3b9f1f63a1a94952d8002759acd6946c4d5d0b5de

        SHA512

        8d1815b277a93ad590ff79b6f52c576cf920c38c4353c24193f707d66884c942f39ff3989530055d2fade540ade243b41b6eb03cd0cc361c3b5d514cca28b50a

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Preferences~RFe57ca45.TMP

        Filesize

        86B

        MD5

        d11dedf80b85d8d9be3fec6bb292f64b

        SHA1

        aab8783454819cd66ddf7871e887abdba138aef3

        SHA256

        8029940de92ae596278912bbbd6387d65f4e849d3c136287a1233f525d189c67

        SHA512

        6b7ec1ca5189124e0d136f561ca7f12a4653633e2d9452d290e658dfe545acf6600cc9496794757a43f95c91705e9549ef681d4cc9e035738b03a18bdc2e25f0

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\Session Storage\CURRENT

        Filesize

        16B

        MD5

        46295cac801e5d4857d09837238a6394

        SHA1

        44e0fa1b517dbf802b18faf0785eeea6ac51594b

        SHA256

        0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

        SHA512

        8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

      • C:\Users\Admin\AppData\Roaming\crystalclient-launcher\TransportSecurity~RFe58c4f1.TMP

        Filesize

        705B

        MD5

        53004b403c1c018aa2f762b0b9820f34

        SHA1

        0c1322f6c3b9854b9142a0082580be7159d4a1ee

        SHA256

        be150c79ea54d3c5082b888004c0e211ca8760b73a52a0d1541e80cc55e68607

        SHA512

        87a2c5674883dd8c254b322edda565bf17eed342665af7a2590070c7878cfa197a4ca194dd00764d5eb787ee5b548b0ebe5ca2e169225245352a38674f96b9db

      • memory/868-4-0x00007FFB23A30000-0x00007FFB23A31000-memory.dmp

        Filesize

        4KB

      • memory/1408-61-0x00007FFB23670000-0x00007FFB23671000-memory.dmp

        Filesize

        4KB

      • memory/1408-62-0x00007FFB22090000-0x00007FFB22091000-memory.dmp

        Filesize

        4KB