Analysis

  • max time kernel
    145s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-07-2024 03:27

General

  • Target

    WaveInstaller.exe

  • Size

    1.5MB

  • MD5

    c822ab5332b11c9185765b157d0b6e17

  • SHA1

    7fe909d73a24ddd87171896079cceb8b03663ad4

  • SHA256

    344700d3141170111a9b77db100f6961cc54a2988d964d34f7e1ca57aa42aa2a

  • SHA512

    a8612836fb4714b939d03f7fe08391bbc635ca83ab853fc677159e5db6b00f76b9b586bdae9c19d2406d9a2713d1caf614132cb6c14e1dddc6ac45e47f7e5a5d

  • SSDEEP

    24576:9viinbT3ipyqwPx4x3RyFoBkkAd04wJAAh/jV1gJcPNZI6fntX3HOt2pbs81ind2:EinbT3ipTD0anywJAaD/3U2pb7indT

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 24 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe
      "C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1464
      • C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe
        "C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:908
        • C:\Users\Admin\AppData\Local\CefSharp\CefSharp.BrowserSubprocess.exe
          "C:\Users\Admin\AppData\Local\CefSharp\CefSharp.BrowserSubprocess.exe" --type=gpu-process --no-sandbox --locales-dir-path="C:\Users\Admin\AppData\Local\CefSharp\locales" --resources-dir-path="C:\Users\Admin\AppData\Local\CefSharp" --lang=en-US --user-data-dir="C:\Users\Admin\AppData\Local\CefSharp" --cefsharpexitsub --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=2052,i,3774135177586841788,1565320198659910461,262144 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,DocumentPictureInPictureAPI --variations-seed-version --enable-logging=handle --log-file=2148 --mojo-platform-channel-handle=2040 /prefetch:2 --host-process-id=908
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2532
        • C:\Users\Admin\AppData\Local\Luau Language Server\node.exe
          "C:\Users\Admin\AppData\Local\Luau Language Server\node.exe" server --process-id=908
          4⤵
          • Executes dropped EXE
          PID:1680
        • C:\Users\Admin\AppData\Local\CefSharp\CefSharp.BrowserSubprocess.exe
          "C:\Users\Admin\AppData\Local\CefSharp\CefSharp.BrowserSubprocess.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-sandbox --locales-dir-path="C:\Users\Admin\AppData\Local\CefSharp\locales" --resources-dir-path="C:\Users\Admin\AppData\Local\CefSharp" --lang=en-US --user-data-dir="C:\Users\Admin\AppData\Local\CefSharp" --cefsharpexitsub --field-trial-handle=2812,i,3774135177586841788,1565320198659910461,262144 --disable-features=BackForwardCache,CalculateNativeWinOcclusion,DocumentPictureInPictureAPI --variations-seed-version --enable-logging=handle --log-file=2816 --mojo-platform-channel-handle=2796 /prefetch:3 --host-process-id=908
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2372
        • C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.exe
          "C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.exe"
          4⤵
            PID:3688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.dll

      Filesize

      4.3MB

      MD5

      6546ceb273f079342df5e828a60f551b

      SHA1

      ede41c27df51c39cd731797c340fcb8feda51ea3

      SHA256

      e440da74de73212d80da3f27661fcb9436d03d9e8dbbb44c9c148aaf38071ca5

      SHA512

      f0ea83bf836e93ff7b58582329a05ba183a25c92705fab36f576ec0c20cf687ce16a68e483698bda4215d441dec5916ffbdfa1763fb357e14ab5e0f1ffcaf824

    • C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.exe

      Filesize

      249KB

      MD5

      772c9fecbd0397f6cfb3d866cf3a5d7d

      SHA1

      6de3355d866d0627a756d0d4e29318e67650dacf

      SHA256

      2f88ea7e1183d320fb2b7483de2e860da13dc0c0caaf58f41a888528d78c809f

      SHA512

      82048bd6e50d38a863379a623b8cfda2d1553d8141923acf13f990c7245c833082523633eaa830362a12bfff300da61b3d8b3cccbe038ce2375fdfbd20dbca31

    • C:\Users\Admin\AppData\Local\Bloxstrap\Bloxstrap.runtimeconfig.json

      Filesize

      372B

      MD5

      d94cf983fba9ab1bb8a6cb3ad4a48f50

      SHA1

      04855d8b7a76b7ec74633043ef9986d4500ca63c

      SHA256

      1eca0f0c70070aa83bb609e4b749b26dcb4409784326032726394722224a098a

      SHA512

      09a9667d4f4622817116c8bc27d3d481d5d160380a2e19b8944bdd1271a83f718415ce5e6d66e82e36819e575ec1b55f19c45213e0013b877b8d61e6feb9d998

    • C:\Users\Admin\AppData\Local\CefSharp\CefSharp.BrowserSubprocess.Core.dll

      Filesize

      915KB

      MD5

      100c32f77e68a2ce962e1a28997567ea

      SHA1

      a80a1f4019b8d44df6b5833fb0c51b929fa79843

      SHA256

      c0b9e29b240d8328f2f9a29ca0298ca4d967a926f3174a3442c3730c00d5a926

      SHA512

      f95530ef439fa5c4e3bc02db249b6a76e9d56849816ead83c9cd9bcd49d3443ccb88651d829165c98a67af40b3ef02b922971114f29c5c735e662ca35c0fb6ed

    • C:\Users\Admin\AppData\Local\CefSharp\CefSharp.BrowserSubprocess.exe

      Filesize

      7KB

      MD5

      516ff62b2e1f4642caa954c0968719e8

      SHA1

      e349d0ce82e2109dd0d18416d9cf46e8411b7f15

      SHA256

      19da58849cec5933860116e60a1e94b08e30d90e0f955768270b47998d612045

      SHA512

      7aa4a0c87b29c2a84f585a884d8208fc2352a43f2cdb549c100e3b121837ad5f8dadb1101f57d1d3fcb7ebec9d9f22e07dc14239b7d2e2d25793c999becf288b

    • C:\Users\Admin\AppData\Local\CefSharp\CefSharp.dll

      Filesize

      272KB

      MD5

      9ca06a8f9e5f7239ca225ab810274023

      SHA1

      e1a219f567a7b7d3af9386df51b14c76e769c044

      SHA256

      5fd00ae3e83e6ca156647ff6df87b49ffc7cad47c23fe3ae07c067c5adf6f74a

      SHA512

      430c9bceed5439b987d5bd4840cfe32411ca61594f18597aca1948aa39a22c9d70beadf3bb9b1dd0373f81a94a25dcba17fa8e8c73abf06cba28d0971d5614c5

    • C:\Users\Admin\AppData\Local\CefSharp\chrome_100_percent.pak

      Filesize

      667KB

      MD5

      ae195e80859781a20414cf5faa52db06

      SHA1

      b18ecb5ec141415e3a210880e2b3d37470636485

      SHA256

      9957802c0792e621f76bbdb1c630fbad519922743b5d193294804164babda552

      SHA512

      c6fef84615fe20d1760ca496c98629feb4e533556724e9631d4282622748e7601225cf19dfb8351f4b540ae3f83785c1bcea6fe8c246cf70388e527654097c1c

    • C:\Users\Admin\AppData\Local\CefSharp\chrome_200_percent.pak

      Filesize

      1.0MB

      MD5

      1abf6bad0c39d59e541f04162e744224

      SHA1

      db93c38253338a0b85e431bd4194d9e7bddb22c6

      SHA256

      01cb663a75f18bb2d0d800640a114f153a34bd8a5f2aa0ed7daa9b32967dc29e

      SHA512

      945d519221d626421094316f13b818766826b3bedddab0165c041540dddadc93136e32784c0562d26a420cb29479d04d2aa317b8d605cd242e5152bf05af197e

    • C:\Users\Admin\AppData\Local\CefSharp\chrome_elf.dll

      Filesize

      1020KB

      MD5

      7191d97ce7886a1a93a013e90868db96

      SHA1

      52dd736cb589dd1def87130893d6b9449a6a36e3

      SHA256

      32f925f833aa59e3f05322549fc3c326ac6fc604358f4efbf94c59d5c08b8dc6

      SHA512

      38ebb62c34d466935eabb157197c7c364d4345f22aa3b2641b636196ca1aeaa2152ac75d613ff90817cb94825189612ddd12fb96df29469511a46a7d9620e724

    • C:\Users\Admin\AppData\Local\CefSharp\icudtl.dat

      Filesize

      10.2MB

      MD5

      74bded81ce10a426df54da39cfa132ff

      SHA1

      eb26bcc7d24be42bd8cfbded53bd62d605989bbf

      SHA256

      7bf96c193befbf23514401f8f6568076450ade52dd1595b85e4dfcf3de5f6fb9

      SHA512

      bd7b7b52d31803b2d4b1fd8cb76481931ed8abb98d779b893d3965231177bdd33386461e1a820b384712013904da094e3cd15ee24a679ddc766132677a8be54a

    • C:\Users\Admin\AppData\Local\CefSharp\libEGL.dll

      Filesize

      359KB

      MD5

      7dd6b0e4a31d35a0fae5ff425707073c

      SHA1

      fbd12e9f8e2252c52ce555c2ebbd7f07e62a0140

      SHA256

      8762d8001fc3ddd90e3129dfea172817e8d09b9936eaae391957de4326c8c906

      SHA512

      726968df6b83ab5f589276672250d92f532fe2dcea2176e42031a7f1dcecf578b0320cfe2a7d88bb9883ad99387d71c6ebf1e9968272bb5e62850ef09abd2648

    • C:\Users\Admin\AppData\Local\CefSharp\libGLESv2.dll

      Filesize

      6.6MB

      MD5

      8803db5b167fb5a5f8a8c595c4e4d7c6

      SHA1

      7fde861151f3bea66c65b6c2487a30728048811a

      SHA256

      52a58d25a41f4bd31cdb4a0d306217862e04ebf7c1925cc85330054a5523d719

      SHA512

      2fa9a0eda221982896e41eb387b5e156198615ac1a1fbac0acffd13008919368b41a240df416c1fce2e48c20a14cd7af7cca9fba476ada5e64a0cadde84a44b7

    • C:\Users\Admin\AppData\Local\CefSharp\locales\en-US.pak

      Filesize

      456KB

      MD5

      4430b1833d56bc8eb1f7dc82bb7f4bc9

      SHA1

      dc15e6306625f155683326e859d83f846153c547

      SHA256

      b44ddcfac9df4934007e6c55a3c7f5e7f14c7e5e29f35c81de917fc3b22aabbc

      SHA512

      faf93bf371b2a88c1b874a5e2c54e4487fd152ad19c2a406a46f55ae75ecd421a779888c2e4c170857b16bfb5d8744bc1815a4732ed50b064b3cbd0c5ffad889

    • C:\Users\Admin\AppData\Local\CefSharp\resources.pak

      Filesize

      8.0MB

      MD5

      4933d92c99afa246fc59eef010d5c858

      SHA1

      98d443654e93c73dd317f9f847f71fba3d5b3135

      SHA256

      62f4674daa15245ee081920b8ee191e72f36ca8fe24f6b986a832f45676915b2

      SHA512

      a3a69523c8e7310716daeebc06c2ba4fce673eccd1958e824ff179b82f4502d0ec095190179bbb387342e4150f952ea7533182fb6ba90377d17dafba8f4da623

    • C:\Users\Admin\AppData\Local\CefSharp\v8_context_snapshot.bin

      Filesize

      643KB

      MD5

      28477a60b4fbd51dfef5237245817690

      SHA1

      b0afd5ea9f9d550124f23c65bc7851ddeffc662f

      SHA256

      169ea86f544e5cdf2a460675f876a9abb7f56bbe122782e94bb03d624931fc12

      SHA512

      3520658583bb498d5032a7f7ae77195fd2e5f8ed03c6531e56dee8320d8701102a723766e59f7766ab223f837e65a6d85cf862bb2bef6d2755ce45e672a47b22

    • C:\Users\Admin\AppData\Local\CefSharp\vk_swiftshader.dll

      Filesize

      4.4MB

      MD5

      0ec149455727ace9acc09b3ba2c3a2b2

      SHA1

      6eeb990876cef6a34115b67f3190255db589f723

      SHA256

      e2d8ef53897e864b5b66bc73606681c99461798a9f4c1e13ca5cef7bc774d7fd

      SHA512

      c8eaa598c9439b1f2375fdac1f58896853510bddbd640707b9142c0d3793836120b28d7c2bd0407f0d5656dd19f14b312f37b7ac0165c9cc8b4c1a0f2af62531

    • C:\Users\Admin\AppData\Local\Luau Language Server\server\index.js

      Filesize

      6.1MB

      MD5

      6b1cad741d0b6374435f7e1faa93b5e7

      SHA1

      7b1957e63c10f4422421245e4dc64074455fd62a

      SHA256

      6f17add2a8c8c2d9f592adb65d88e08558e25c15cedd82e3f013c8146b5d840f

      SHA512

      a662fc83536eff797b8d59e2fb4a2fb7cd903be8fc4137de8470b341312534326383bb3af58991628f15f93e3bdd57621622d9d9b634fb5e6e03d4aa06977253

    • C:\Users\Admin\AppData\Local\Wave\CefSharp.Core.Runtime.dll

      Filesize

      1.3MB

      MD5

      09cba584aa0aae9fc600745567393ef6

      SHA1

      bbd1f93cb0db9cf9e01071b3bed1b4afd6e31279

      SHA256

      0babd84d4e7dc2713e7265d5ac25a3c28d412e705870cded6f5c7c550a5bf8d5

      SHA512

      5f914fa33a63a6d4b46f39c7279687f313728fd5f8437ec592369a2da3256ccff6f325f78ace0e6d3a2c37da1f681058556f7603da13c45b03f2808f779d2aa1

    • C:\Users\Admin\AppData\Local\Wave\D3DCOMPILER_47.dll

      Filesize

      3.9MB

      MD5

      3b4647bcb9feb591c2c05d1a606ed988

      SHA1

      b42c59f96fb069fd49009dfd94550a7764e6c97c

      SHA256

      35773c397036b368c1e75d4e0d62c36d98139ebe74e42c1ff7be71c6b5a19fd7

      SHA512

      00cd443b36f53985212ac43b44f56c18bf70e25119bbf9c59d05e2358ff45254b957f1ec63fc70fb57b1726fd8f76ccfad8103c67454b817a4f183f9122e3f50

    • C:\Users\Admin\AppData\Local\Wave\WaveBootstrapper.exe

      Filesize

      949KB

      MD5

      8fb51b92d496c6765f7ba44e6d4a8990

      SHA1

      d3e5a8465622cd5adae05babeb7e34b2b5c777d7

      SHA256

      ab49d6166a285b747e5f279620ab9cea12f33f7656d732aa75900fcb981a5394

      SHA512

      20de93a52fff7b092cb9d77bd26944abed5f5cb67146e6d2d70be6a431283b6de52eb37a0e13dc8bc57dcf8be2d5a95b9c11b3b030a3e2f03dd6e4efc23527a6

    • C:\Users\Admin\AppData\Local\Wave\WaveWindows.exe

      Filesize

      7.5MB

      MD5

      521e21ad5cd0137689bbde63f2729873

      SHA1

      a2333d3c6ad72680b568b56d7061b0aee5aa3e3d

      SHA256

      a632148f833a0c6ba79160f401aa614ae3d6aafe096abbffdabe046d3d712355

      SHA512

      2f77c2820ad24489d76547ba1a709e83395639ff9e1864d141b26e19834c245691bfd92a92047673da15517799ea0e3f17396c6a79d571bb0eee3636bfd8ed60

    • memory/908-267-0x0000000005F70000-0x00000000060CB000-memory.dmp

      Filesize

      1.4MB

    • memory/908-325-0x000000000D400000-0x000000000D4B2000-memory.dmp

      Filesize

      712KB

    • memory/908-255-0x0000000000430000-0x0000000000BBC000-memory.dmp

      Filesize

      7.5MB

    • memory/908-259-0x0000000005C10000-0x0000000005CF6000-memory.dmp

      Filesize

      920KB

    • memory/908-258-0x0000000005520000-0x0000000005544000-memory.dmp

      Filesize

      144KB

    • memory/908-333-0x000000000EED0000-0x000000000EEF2000-memory.dmp

      Filesize

      136KB

    • memory/908-334-0x000000000F210000-0x000000000F564000-memory.dmp

      Filesize

      3.3MB

    • memory/908-257-0x0000000005630000-0x000000000567A000-memory.dmp

      Filesize

      296KB

    • memory/1464-249-0x000000000A380000-0x000000000A39E000-memory.dmp

      Filesize

      120KB

    • memory/1464-245-0x0000000009570000-0x0000000009674000-memory.dmp

      Filesize

      1.0MB

    • memory/1464-248-0x000000000A320000-0x000000000A328000-memory.dmp

      Filesize

      32KB

    • memory/1464-247-0x000000000A2E0000-0x000000000A2EA000-memory.dmp

      Filesize

      40KB

    • memory/1464-242-0x0000000000DF0000-0x0000000000EE2000-memory.dmp

      Filesize

      968KB

    • memory/1464-241-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/1464-256-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/1464-244-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/1464-246-0x000000000A2A0000-0x000000000A2B6000-memory.dmp

      Filesize

      88KB

    • memory/2532-286-0x0000000004F80000-0x000000000506A000-memory.dmp

      Filesize

      936KB

    • memory/2532-293-0x0000000005190000-0x00000000051DA000-memory.dmp

      Filesize

      296KB

    • memory/2532-282-0x00000000007C0000-0x00000000007C8000-memory.dmp

      Filesize

      32KB

    • memory/3540-21-0x0000000005870000-0x00000000058E2000-memory.dmp

      Filesize

      456KB

    • memory/3540-17-0x0000000000C50000-0x0000000000CE6000-memory.dmp

      Filesize

      600KB

    • memory/3540-10-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-9-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-18-0x0000000000CF0000-0x0000000000D16000-memory.dmp

      Filesize

      152KB

    • memory/3540-19-0x0000000000D90000-0x0000000000D98000-memory.dmp

      Filesize

      32KB

    • memory/3540-8-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-7-0x00000000746DE000-0x00000000746DF000-memory.dmp

      Filesize

      4KB

    • memory/3540-6-0x0000000009A20000-0x0000000009A2E000-memory.dmp

      Filesize

      56KB

    • memory/3540-5-0x0000000009A40000-0x0000000009A78000-memory.dmp

      Filesize

      224KB

    • memory/3540-22-0x00000000058E0000-0x00000000058EA000-memory.dmp

      Filesize

      40KB

    • memory/3540-4-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-23-0x00000000058F0000-0x00000000058FA000-memory.dmp

      Filesize

      40KB

    • memory/3540-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

      Filesize

      4KB

    • memory/3540-243-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-3-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-2-0x00000000746D0000-0x0000000074E80000-memory.dmp

      Filesize

      7.7MB

    • memory/3540-1-0x00000000003C0000-0x0000000000552000-memory.dmp

      Filesize

      1.6MB