Analysis

  • max time kernel
    146s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    08-07-2024 19:03

General

  • Target

    Better-CrewLink.exe

  • Size

    120.6MB

  • MD5

    c7436588c381984fbab948232fe36a60

  • SHA1

    fa81b603b4fbc6bc0be7559b7ad3e1bb02b290b3

  • SHA256

    42e6a6ea5db20fe0692be237bf16eb52faf1ea79935a6be401e1b30097136f24

  • SHA512

    2285ec2f90c9541fb42e405bc567f20d7185b42fb7982df9cea51890f33366c17a5b59d63e698729b2e5395879bff231bcdf36f3b51aea08e3629a189380ac69

  • SSDEEP

    1572864:X1f0+Sva7Hdp1Nhn+aCdrvdYrZ/7/lbg8udR8SnuSE49zi:qasulbg8yTnbEOzi

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
    "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
      "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe" --type=gpu-process --field-trial-handle=940,4642992530258624176,8675563713787819621,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --mojo-platform-channel-handle=932 /prefetch:2
      2⤵
        PID:2616
      • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
        "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=940,4642992530258624176,8675563713787819621,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1328 /prefetch:8
        2⤵
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        PID:1376
      • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
        "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe" --type=renderer --field-trial-handle=940,4642992530258624176,8675563713787819621,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --lang=en-US --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --node-integration --no-sandbox --no-zygote --background-color=#fff --enable-spellcheck --enable-websql --disable-electron-site-instance-overrides --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1476 /prefetch:1
        2⤵
        • Checks computer location settings
        • Suspicious behavior: EnumeratesProcesses
        PID:1640
      • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
        "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe" --type=gpu-process --field-trial-handle=940,4642992530258624176,8675563713787819621,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --use-gl=swiftshader-webgl --mojo-platform-channel-handle=932 /prefetch:2
        2⤵
          PID:1028
        • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
          "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=940,4642992530258624176,8675563713787819621,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=1596 /prefetch:8
          2⤵
            PID:1916
          • C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe
            "C:\Users\Admin\AppData\Local\Temp\Better-CrewLink.exe" --type=renderer --field-trial-handle=940,4642992530258624176,8675563713787819621,131072 --enable-features=WebComponentsV0Enabled --disable-features=CookiesWithoutSameSiteMustBeSecure,SameSiteByDefaultCookies,SpareRendererForSitePerProcess --disable-gpu-compositing --lang=en-US --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --node-integration --no-sandbox --no-zygote --background-color=#fff --enable-spellcheck --enable-websql --disable-electron-site-instance-overrides --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2044 /prefetch:1
            2⤵
            • Checks computer location settings
            • Suspicious behavior: EnumeratesProcesses
            PID:568

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          adf852762ef2eee71c642baec75ef439

          SHA1

          3a1cc3ff8175fa76a8af3a06b037f61bad840aba

          SHA256

          cfb1cb4321cad058a4dcea9bdb9cc22def898bc3d9f333e7e3385408b7173793

          SHA512

          68ed3d28fc235e689c310c96d33642764c6e5a4722673a4de42bbf578e27059eb1d2604b1712eebe499263f54d2dee73de0eec0928f0ecd2ea4ce28b7421827a

        • C:\Users\Admin\AppData\Local\Temp\Cab9C32.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar9C83.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\Cache\f_000001

          Filesize

          441KB

          MD5

          a78ad14e77147e7de3647e61964c0335

          SHA1

          cecc3dd41f4cea0192b24300c71e1911bd4fce45

          SHA256

          0d6803758ff8f87081fafd62e90f0950dfb2dd7991e9607fe76a8f92d0e893fa

          SHA512

          dde24d5ad50d68fc91e9e325d31e66ef8f624b6bb3a07d14ffed1104d3ab5f4ef1d7969a5cde0dfbb19cb31c506f7de97af67c2f244f7e7e8e10648ea8321101

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          39e0ffad643551417ac5c8fdd9775dfb

          SHA1

          7aba2a6241b939d61a3668b2df8e4e5910321b8b

          SHA256

          68013684399d387c36c4c4eb88c12b69dec57d2d5c91223713a43f328d145992

          SHA512

          b4a496f570f5bbfe7aa75d66f691632a752d9d2e832e6353e9d20e0b6b29c62e0685631f5324c2da23c921f1d89ef3a317292fc4a52e5d99024898a98d2f847a

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          33162e760bccf2b99fca7c70ca2bcf69

          SHA1

          9fe46ba6cea79f5612794c74d7e87f75b14484d9

          SHA256

          b6ce600cd1f0d968e188475d81bb8014b71ac6e5e348fb578bc4a4392b47cdb0

          SHA512

          273bb468c9bd911bf0381613986c9cae18da2c98e130de8cafba697215f778dca2f95d24ad9627562a6e3a11160bf826ce176d0878da34f7ddd03b0cd11f0ee9

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          9c1ad788183c38dc77c0173201714532

          SHA1

          e4faa9ea3763dca2a6ea325e2389ba79ed9c2e79

          SHA256

          21fba93cffffa78e4b42f2f464506c6f665a93eafea0178c0abaadfd1e1be60e

          SHA512

          dabed66e0d6b8313cb84f7a61f9f6ead14e36d701b9afde4e28e200b70b39a3e521b7dd71cc2e2d2dd4b5e6b12ad9b23e9534ad251ce31fd26dd981500aa152d

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          e1350a4f733b66aec7d9efb4daf681af

          SHA1

          1126b48281388c3be273a8e2dc9fdf633b1dd901

          SHA256

          53a6445de9b3b28e8d070f8723883085e9288041f292b619dd14e853ed7437cc

          SHA512

          670166e2d43ae763891c8f7ae2590fd7e9fc746a144cc8414469fd763af7396db1379ba62604a60576e6dc1304d8a29e7e64bbcf6b374a45d68867967f1648fb

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          576ccedc2a52ce9fd68fcb81aa18df4b

          SHA1

          9290ca9d7d16bb8e6308f64cec835ec8a0d4811d

          SHA256

          40193224659f141f4dff7732c54c9467c538440e9ec9c6f66b1147483ac36add

          SHA512

          b787d427e3745a90f2473f021ea14f92f9fa169a089fb514aad19b72d0f8a15cb496cd32dbcd2a58f175356ef8c717d2bf7f009886934d7f9620b9330b824323

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          5d59cff9a99bb219f4fe7e1502f7b4c7

          SHA1

          b4a657a2158ca88449c30b37e38f4fd260c6e01d

          SHA256

          d166bc87a59ac38ef87d648efe813ff3befb889fb67a17e1b4cc3db757c7db64

          SHA512

          8cace5bfce0066a37e47f1a3d4a9f1382581c251d4b117b9bb48b7990fd6d9533a6f2d168fb214e7ef3ee287209058f43e3df1bdcdf0a4a3f044e2fdf15bbbcc

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          fa2991e2ed793246cce1a94b5f155421

          SHA1

          5d6c77338633f654dc65f78f393b0010c38a3aa0

          SHA256

          c7e234d099e6ace5de2165b9165084c64ae7963732e9fca73ccc114e24ac1f7f

          SHA512

          b7c7f17ff458a08c51e493b9fdff1bb10fee23b5b2e9e87e099686528961ee6d1b983876b0df39399751244a86d14ae5038c093a5fd1478718d118986569aac3

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          905dd129c4e0a781964c068a2abb5576

          SHA1

          d0dc3955734f4613fd9f551ba788ac24ddddb8da

          SHA256

          0c099805dadfb149f57a1e78893b3713661760df60475f4839be1e7f62615c31

          SHA512

          7db318d899da87655efcd4a269588f7f1d281b7bc894065c09bd5e10ed3650dd9224f64a23abcb855fb3df7e4670551029903141dd37af79dc18b85376d80ae8

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          9700b65b344b860b1532a5b1398cef6b

          SHA1

          41c4e559d7098f00cf9ae95be8a3972074277055

          SHA256

          9bb499604ed487237dc504cab68a515222b405776090bfee47f580f989c411c1

          SHA512

          a320ae9b316f8a0c10727df25b6f2595a25de02b7816f16786f70b56203ba273b8cea0933a1c75934d8a0d08a6088f83d1084ed6875742d409354e509d7d456e

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          ceccbd0db0f633f914f4bd0d3f1fcad6

          SHA1

          1bdf9ac94a8b497faa96b22badaf4d34e078e230

          SHA256

          82432fc263973ae16cc6e696aead429e69c4f5d89275fe0c4409b3a9616b0a3e

          SHA512

          fb2d02579abfd6d7f631cd518c4ec4ce847b9ef788b88b0a30016aae931448e6ddf8a3fddc2f4000968d5a5fa417882311f5e9ee8faef68b38f2d06039dac49e

        • C:\Users\Admin\AppData\Roaming\bettercrewlink\config.json

          Filesize

          1KB

          MD5

          6acaaff3489c490f13e686b1905d048f

          SHA1

          11aaa70670a81326dfb432ba36cedecbdf681532

          SHA256

          73acb1d8debfb09ad8d9cf5996b646548de8296a0ed11880990d05b3cbbd43a2

          SHA512

          226502b0d9b8e9f60a568e32636a1ccdf64969c897b1a5ef23f7e3f4501b2d2ee182099b10bb8a556a50692fa14e7562be47e9d8614a07258c312ca544a6e358

        • \Users\Admin\AppData\Local\Temp\01a9ff69-19f4-45f1-ac80-25095df50253.tmp.node

          Filesize

          208KB

          MD5

          d2767b1e91cd973aa138c61255a719bb

          SHA1

          96e58ec4f97ed9efbeb0b7f4141af7d1c1e7af2f

          SHA256

          809ce8be4eb58b91afcf4282c40bc0dcd02c6c919cc8b8fc99462f9212a97d58

          SHA512

          808f3232b1193b4094136af029b10ce0b5ff64fdadaf7a8e2aba6e1a50b8e6c1df1245be6e37ffc0b157d6921dfd7abf1a0c7ad31d35aa106e5f7e8fbcce8e4c

        • \Users\Admin\AppData\Local\Temp\3ec602b4-c04b-431b-a484-e5be3fe11065.tmp.node

          Filesize

          613KB

          MD5

          174c50bb9795f9d23b87158da5cfa977

          SHA1

          f5d963f733d9a82490bd828051b45c2b322b032b

          SHA256

          77ad8327ae7fb12e0d6b8f3d806311be07d2c34cca0da720cab2af4cb8c30435

          SHA512

          bf9bb12ac5b4a38fba44736ddefd48afb98ba3b5ce9ee262ea24ae7d41b8d4a41cb5a8c66336218e40cc20c2df75166b11587ea4c4a6764e5942a7cfa110b769

        • \Users\Admin\AppData\Local\Temp\57c0384d-c508-4db6-bbfb-a7e14e8e7901.tmp.node

          Filesize

          134KB

          MD5

          c371247c8046a18215758d750d9d5463

          SHA1

          5f1eeff39c4823abac3f265ef72baad37e439397

          SHA256

          d47a203cd3156725ef7462f2f989868b4f7b7a60ee0eaea22b86fbde2eff3884

          SHA512

          ca2446dd882cd048513d77451c452e816cdc1637e2b3cae9cc1041c227f50b77dccdf6e5b8393b8b9a7e138ee4b71b903e27a5bcd53822b4a1bd8a14fe273c07

        • \Users\Admin\AppData\Local\Temp\e06f445d-8d4a-440c-b833-65257a2cfc2c.tmp.node

          Filesize

          116KB

          MD5

          f788fa68d14fd58ae1fa6d16baa9210b

          SHA1

          4f260ab745bf93ea86801c15542bcecac1629e4a

          SHA256

          4a8518975d8494a69d959bbb4d3328ff2be9c6d91f35859c3db576940daa8c86

          SHA512

          e92a9ecc214e593e7d829d6a81213cc541ca33f9b4899ca7b5f7fe1507aa9cec665a2af4d490890db79d66a62863ecff74cb14c0f79e144f49fc304ad9abdcbc

        • memory/2616-49-0x00000000776A0000-0x00000000776A1000-memory.dmp

          Filesize

          4KB

        • memory/2616-17-0x0000000000060000-0x0000000000061000-memory.dmp

          Filesize

          4KB