Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 15:05

General

  • Target

    Flux.exe

  • Size

    154.5MB

  • MD5

    87278673be7f80f2fbfc5dc51d4cd83d

  • SHA1

    19c05e365d15da1705cb6e057eb74ff7c1340ddc

  • SHA256

    e3ee85f2d8fd1496cff031965769c6222cae8ffc66c52e0f8e832ff0d5e2e831

  • SHA512

    0ecdd4568faf37f6aac7a9c41381a9e0ebbb36496fbfcc8a832ffb2c470c24cfdfbea17c2086eb22578e636b098ddb9170821070be91b02a98ed617088e5f4df

  • SSDEEP

    1572864:1CquurbtqKajQe7vqrTU4PrCsdCXrBngPE1cG7VOWe2IkBmUgq3Fd6iU3x6VCdbm:xDAgZi

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Flux.exe
    "C:\Users\Admin\AppData\Local\Temp\Flux.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\binaries\FortniteLauncher.exe
      C:\Users\Admin\AppData\Local\Temp\binaries\FortniteLauncher.exe
      2⤵
        PID:2032
      • C:\Users\Admin\AppData\Local\Temp\Flux.exe
        "C:\Users\Admin\AppData\Local\Temp\Flux.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\Flux" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1708 --field-trial-handle=1784,i,626866343854456253,4676630842337300181,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
        2⤵
          PID:1284
        • C:\Users\Admin\AppData\Local\Temp\Flux.exe
          "C:\Users\Admin\AppData\Local\Temp\Flux.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\Flux" --mojo-platform-channel-handle=1944 --field-trial-handle=1784,i,626866343854456253,4676630842337300181,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
          2⤵
            PID:3956
          • C:\Users\Admin\AppData\Local\Temp\Flux.exe
            "C:\Users\Admin\AppData\Local\Temp\Flux.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\Flux" --app-user-model-id=Flux --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --enable-sandbox --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=4 --mojo-platform-channel-handle=2332 --field-trial-handle=1784,i,626866343854456253,4676630842337300181,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:1
            2⤵
            • Checks computer location settings
            PID:4100
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /d /s /c "reg query "HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" /v "Installed""
            2⤵
              PID:4992
              • C:\Windows\system32\reg.exe
                reg query "HKLM\SOFTWARE\Microsoft\VisualStudio\14.0\VC\Runtimes\x64" /v "Installed"
                3⤵
                  PID:3912
              • C:\Users\Admin\AppData\Local\Temp\Flux.exe
                "C:\Users\Admin\AppData\Local\Temp\Flux.exe" --type=gpu-process --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\Flux" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2644 --field-trial-handle=1784,i,626866343854456253,4676630842337300181,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                2⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4832

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\20683f31-e7fe-4371-a00f-f03effce6d69.tmp.node

              Filesize

              248KB

              MD5

              c534e350395bd5e0e39417a71513648e

              SHA1

              4439aa0f96e707c6324c1cd8080253692c16af6e

              SHA256

              3790b9fabedfe3c3b2161f13ca1a209516779649c4374c3941ae9a8720cbbc36

              SHA512

              a183dc39b82dbb27574f0251133a4c7ba3f7b2c695c7eeabb62df92e1dbab582b8326470bf1443510664a6dac128b230239a418a24b8e3d4923038ed60de2757

            • C:\Users\Admin\AppData\Local\Temp\7a9162ff-4ae1-473d-b466-1b16583a167f.tmp.node

              Filesize

              4.6MB

              MD5

              07423989cdcb444f519f22f78526498d

              SHA1

              e0cc86c48b430f574dfd1a7a91ef9d35b572b14c

              SHA256

              3b407af04ef8ffa39b1b7d34c1ad6a15be766ebbb6ff27ddeb40c5380f981fdd

              SHA512

              56cd17c5ff8fbc35915b1738c42a80299f5e47906acc4c8910b810cf8ed95832a1a69068df89a76fd325c02c6b06d57fe7fde693ead1007b75090088ab8646c5

            • C:\Users\Admin\AppData\Roaming\Flux\Network\Network Persistent State

              Filesize

              917B

              MD5

              4e8869586ec738a7006c85c36390a52a

              SHA1

              c9ee0d2bcf21c49d269fb699974cd08c98ac606d

              SHA256

              a3787791aebbe7bfeac698e98510f27c5c71d89d22570d650d5c1a497b987de0

              SHA512

              489bb778d95a939a5a377679d07af91ff4e1907174debb06e24c1cd4e570cbdab58f6dc90e4bf5a6b900e813bd1c71ed1707adca755b5c7a1784f7ccef5587af

            • C:\Users\Admin\AppData\Roaming\Flux\Network\Network Persistent State~RFe58baee.TMP

              Filesize

              59B

              MD5

              2800881c775077e1c4b6e06bf4676de4

              SHA1

              2873631068c8b3b9495638c865915be822442c8b

              SHA256

              226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974

              SHA512

              e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b

            • C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.dic

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • memory/2032-71-0x0000000000400000-0x0000000000412000-memory.dmp

              Filesize

              72KB

            • memory/4100-57-0x00007FFE55A30000-0x00007FFE55A31000-memory.dmp

              Filesize

              4KB

            • memory/4100-74-0x0000013E4DB70000-0x0000013E4DBA0000-memory.dmp

              Filesize

              192KB

            • memory/4100-58-0x00007FFE574E0000-0x00007FFE574E1000-memory.dmp

              Filesize

              4KB

            • memory/4832-110-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-109-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-108-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-120-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-119-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-118-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-117-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-116-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-115-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB

            • memory/4832-114-0x000001BA210C0000-0x000001BA210C1000-memory.dmp

              Filesize

              4KB