Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2023, 01:03

General

  • Target

    Voice.ai-Downloader-alphaver-9a2abf100863477f8ca4b49090b8537f.exe

  • Size

    476KB

  • MD5

    55ce9a9a56208d47a508f277af4a1f84

  • SHA1

    353b99a87e7ba8e0c9866e9bf5bc7a56628a3cba

  • SHA256

    bd599fe01019469d0f408733761a9785c65281d5a870eec8088472e81fa0f65b

  • SHA512

    dd93b798c29a5b502980256f5619c97b56c43003d8ca19dfc0c916bdfaf4c09f5f0941f9be2e4ace6a71f639bf47303d08d54aa8888bb8a7b125e08cd9f8da13

  • SSDEEP

    3072:AkBGWOsTIJgIDU5A/cto68pMABlZQ2wpFD0raM6GYDxJ0yQfxJG:A1ssjn5Mp2w7g+MbSt

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 12 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 6 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Voice.ai-Downloader-alphaver-9a2abf100863477f8ca4b49090b8537f.exe
    "C:\Users\Admin\AppData\Local\Temp\Voice.ai-Downloader-alphaver-9a2abf100863477f8ca4b49090b8537f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Program Files\Voice.ai\VoiceAI-Installer.exe
      "C:\Program Files\Voice.ai\VoiceAI-Installer.exe" /path "C:\Program Files\Voice.ai"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Program Files\Voice.ai\tools\vc2019.exe
        "C:\Program Files\Voice.ai\tools\vc2019.exe" /q /norestart
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1420
        • C:\Windows\Temp\{49FE05CA-BED8-4CB5-B817-179E348F81CD}\.cr\vc2019.exe
          "C:\Windows\Temp\{49FE05CA-BED8-4CB5-B817-179E348F81CD}\.cr\vc2019.exe" -burn.clean.room="C:\Program Files\Voice.ai\tools\vc2019.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188 /q /norestart
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:312
          • C:\Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.be\VC_redist.x64.exe
            "C:\Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.be\VC_redist.x64.exe" -q -burn.elevated BurnPipe.{FCE096BD-CDDE-45B3-B967-3901FD940BD4} {6446E467-E8D9-4670-BA47-981A08FCA0FC} 312
            5⤵
            • Executes dropped EXE
            PID:2032
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
      PID:1596

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files\Voice.ai\VoiceAI-Installer.exe

      Filesize

      406.1MB

      MD5

      d5a8f2e6447db97c108be7e423088e37

      SHA1

      d2fc91f9d1f2f83a81775c6e97fb1703a690b886

      SHA256

      464af7cb5daf55c7196764921ccc1db2ec6ae9d4a63ea0d9afed12bbb54baad9

      SHA512

      ad119f4ede846a6564eddc1a26c1a2185211ca26dce1a4e5e61cfb8224eaf2e2f0cadf0d5cb75e54f17af5bfc7c0ab9a7ea98f70b1cbbeb906c8b21ad958b5da

    • C:\Program Files\Voice.ai\VoiceAI-Installer.exe

      Filesize

      396.4MB

      MD5

      b0ef57b0e131b8d6306d457dc78c12e0

      SHA1

      a293e6f369a58d2d300324e095b18b30581596a6

      SHA256

      ab876ab97f9dce4bead3581ac3decadb16fc1ee85ab3666080d79dd0f7ac8e9c

      SHA512

      178ebbfa271fba545bcd3b0abc32db54171975a520ea52a480c56041c577594dd2950f3b49cb93feb8c2bf9ae420cdfdd17224d47bb547b0e54da5f085e189e1

    • C:\Program Files\Voice.ai\meta

      Filesize

      65B

      MD5

      05775e4bfcc3c2d0f0490735c2a3c74f

      SHA1

      5945505500ab287cee1a78e9af7cbbfce84da62c

      SHA256

      f7ad7b8cbf9726b65eee510f80e6a6845f4a8389baf59102468a516ad701b523

      SHA512

      330075f96c7ad7235d195a9d9944cde5776da4e850ad9052323aba3a536dba80eaf08c55578f1052c66d0953e121ac6de680c4497ee7fd31e7caf9f4ca119674

    • C:\Program Files\Voice.ai\tools\vc2019.exe

      Filesize

      24.1MB

      MD5

      4a85bfd44f09ef46679fafcb1bab627a

      SHA1

      7741a5cad238ce3e4ca7756058f2a67a57fee9d1

      SHA256

      37ed59a66699c0e5a7ebeef7352d7c1c2ed5ede7212950a1b0a8ee289af4a95b

      SHA512

      600e61332416b23ef518f4252df0000c03612e8b0680eab0bdf589d9c855539b973583dc4ce1faab5828f58653ed85a1f9196eb1c7bbf6d2e3b5ab3e83253f98

    • C:\Program Files\Voice.ai\tools\vc2019.exe

      Filesize

      24.1MB

      MD5

      4a85bfd44f09ef46679fafcb1bab627a

      SHA1

      7741a5cad238ce3e4ca7756058f2a67a57fee9d1

      SHA256

      37ed59a66699c0e5a7ebeef7352d7c1c2ed5ede7212950a1b0a8ee289af4a95b

      SHA512

      600e61332416b23ef518f4252df0000c03612e8b0680eab0bdf589d9c855539b973583dc4ce1faab5828f58653ed85a1f9196eb1c7bbf6d2e3b5ab3e83253f98

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

      Filesize

      1KB

      MD5

      b44ddbca4dc9563ce42578cf425c6c73

      SHA1

      a5645247477ee09cb34dfd2bef52dc5b609cb14d

      SHA256

      eff89e691dde9ad2e13b95687aa2368483d77e3c19f35086408b8ab4bf4f36fb

      SHA512

      91f9fa020073f8e06bb0373a4c2a7b598bbd80f8ae4753a6084d9014de43e3b6c8dc4fd096a75ac5ac98f4d2952223bbb9afe2900ed5e28715681cab855131f8

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

      Filesize

      724B

      MD5

      8202a1cd02e7d69597995cabbe881a12

      SHA1

      8858d9d934b7aa9330ee73de6c476acf19929ff6

      SHA256

      58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

      SHA512

      97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

      Filesize

      410B

      MD5

      f099cce79094e5d8964ed8da9bce9b04

      SHA1

      6daf8b53f47d01dca73d6191ee8ed363ed61f1fe

      SHA256

      30b78dc6ac223e0f4d28e242f1bdaa06ddc3c4e65212c4a54f526fef070c36cc

      SHA512

      7d35b009b3002c85fed1378bbfd9d0595ef94addcc222ed8f681a375c4ed90be4f2c3a38bbf27beda7b2dcf56fb0d6bbb565f3ee67c8e8a96582bae6ca17d397

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

      Filesize

      344B

      MD5

      f59c3f95e7e07ecfe1a4dfa77abd4879

      SHA1

      98fb559b23accac748df8ac7b3e50817362790eb

      SHA256

      5d256517a3e46ec59e133ff889d1b676d75b44844a6eecc1ab87d93cbcd5dfa9

      SHA512

      b207a429ea32fd11a36896105babee9500925c1efaef2440acc3a4b9c3db020f45a5a4afb634dfdb787a453fc84772df3647852ae0951e9b6ec9977f565b008c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

      Filesize

      392B

      MD5

      872fa05b92a5da711d23b9f147a23222

      SHA1

      fe7f1ebe967af18e4897aa0a3485251ccdd39418

      SHA256

      ca810f6a856b83eaf1838b93e15fd71747b68972494863cd9502caa1c77ab352

      SHA512

      49c8a778404b358b935aa679d07b6310b3dd9875b4901ea08a2f2b7a3bb46c0a5e2a8fe55fd836b491847724a38b84a05a6771d5f8a44725b9b002a29f27d23b

    • C:\Users\Admin\AppData\Local\Temp\Cab6367.tmp

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Users\Admin\AppData\Local\Temp\nsj5996.tmp\System.dll

      Filesize

      12KB

      MD5

      792b6f86e296d3904285b2bf67ccd7e0

      SHA1

      966b16f84697552747e0ddd19a4ba8ab5083af31

      SHA256

      c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

      SHA512

      97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

    • C:\Users\Admin\AppData\Local\Temp\nst47EA.tmp\INetC.dll

      Filesize

      21KB

      MD5

      2b342079303895c50af8040a91f30f71

      SHA1

      b11335e1cb8356d9c337cb89fe81d669a69de17e

      SHA256

      2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

      SHA512

      550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

    • C:\Windows\Temp\{49FE05CA-BED8-4CB5-B817-179E348F81CD}\.cr\vc2019.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5

    • C:\Windows\Temp\{49FE05CA-BED8-4CB5-B817-179E348F81CD}\.cr\vc2019.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5

    • C:\Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.ba\logo.png

      Filesize

      1KB

      MD5

      d6bd210f227442b3362493d046cea233

      SHA1

      ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

      SHA256

      335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

      SHA512

      464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

    • C:\Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.be\VC_redist.x64.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5

    • C:\Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.be\VC_redist.x64.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5

    • C:\Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.be\VC_redist.x64.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5

    • \Program Files\Voice.ai\VoiceAI-Installer.exe

      Filesize

      408.6MB

      MD5

      d73be39def16426bfd9a961adc99f169

      SHA1

      960ac633f30f9eef5db84f15634bc218d48b939b

      SHA256

      3d211e727098aeaa0e3d663f6d9b4693e5daab2db9b66928e8e7e24e6d96baca

      SHA512

      7deef06e996a90fdbd7d1af9bf0861b15ac3d20077b49cb4786c94e0bc21917aac61974ab61ec93734c788e093d9e7d2f00bfb457a10a510d92c3a50ce3fc15f

    • \Program Files\Voice.ai\tools\vc2019.exe

      Filesize

      24.1MB

      MD5

      4a85bfd44f09ef46679fafcb1bab627a

      SHA1

      7741a5cad238ce3e4ca7756058f2a67a57fee9d1

      SHA256

      37ed59a66699c0e5a7ebeef7352d7c1c2ed5ede7212950a1b0a8ee289af4a95b

      SHA512

      600e61332416b23ef518f4252df0000c03612e8b0680eab0bdf589d9c855539b973583dc4ce1faab5828f58653ed85a1f9196eb1c7bbf6d2e3b5ab3e83253f98

    • \Users\Admin\AppData\Local\Temp\nsj5996.tmp\INetC.dll

      Filesize

      21KB

      MD5

      2b342079303895c50af8040a91f30f71

      SHA1

      b11335e1cb8356d9c337cb89fe81d669a69de17e

      SHA256

      2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

      SHA512

      550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

    • \Users\Admin\AppData\Local\Temp\nsj5996.tmp\System.dll

      Filesize

      12KB

      MD5

      792b6f86e296d3904285b2bf67ccd7e0

      SHA1

      966b16f84697552747e0ddd19a4ba8ab5083af31

      SHA256

      c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

      SHA512

      97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

    • \Users\Admin\AppData\Local\Temp\nst47EA.tmp\INetC.dll

      Filesize

      21KB

      MD5

      2b342079303895c50af8040a91f30f71

      SHA1

      b11335e1cb8356d9c337cb89fe81d669a69de17e

      SHA256

      2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

      SHA512

      550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

    • \Users\Admin\AppData\Local\Temp\nst47EA.tmp\INetC.dll

      Filesize

      21KB

      MD5

      2b342079303895c50af8040a91f30f71

      SHA1

      b11335e1cb8356d9c337cb89fe81d669a69de17e

      SHA256

      2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

      SHA512

      550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

    • \Users\Admin\AppData\Local\Temp\nst47EA.tmp\INetC.dll

      Filesize

      21KB

      MD5

      2b342079303895c50af8040a91f30f71

      SHA1

      b11335e1cb8356d9c337cb89fe81d669a69de17e

      SHA256

      2d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f

      SHA512

      550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47

    • \Users\Admin\AppData\Local\Temp\nst47EA.tmp\System.dll

      Filesize

      12KB

      MD5

      792b6f86e296d3904285b2bf67ccd7e0

      SHA1

      966b16f84697552747e0ddd19a4ba8ab5083af31

      SHA256

      c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917

      SHA512

      97edc3410b88ca31abc0af0324258d2b59127047810947d0fb5e7e12957db34d206ffd70a0456add3a26b0546643ff0234124b08423c2c9ffe9bdec6eb210f2c

    • \Users\Admin\AppData\Local\Temp\nst47EA.tmp\nsProcess.dll

      Filesize

      4KB

      MD5

      05450face243b3a7472407b999b03a72

      SHA1

      ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

      SHA256

      95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

      SHA512

      f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    • \Windows\Temp\{49FE05CA-BED8-4CB5-B817-179E348F81CD}\.cr\vc2019.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5

    • \Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.ba\wixstdba.dll

      Filesize

      191KB

      MD5

      eab9caf4277829abdf6223ec1efa0edd

      SHA1

      74862ecf349a9bedd32699f2a7a4e00b4727543d

      SHA256

      a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

      SHA512

      45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

    • \Windows\Temp\{6778887B-18C0-45DF-8FEA-189901FEF532}\.be\VC_redist.x64.exe

      Filesize

      635KB

      MD5

      9bd591625766a7330708b2c6380dc1d7

      SHA1

      18018a3d12278187a8dc26eae538a799511bbdfc

      SHA256

      21503f265452414f3960b33ba000ab2cbe0a335901e3a585b0935ac4806fdd79

      SHA512

      58c90b7889d92f31e76d0559258023cb4693982288721c3c7fcd820e40f6c1ee972d9ffd3c95016c2126314a260da5faabdeb1a8528eb23d469a7ecbe391c1a5