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Overview

overview

3

Static

static

3

Microsoft....4.appx

windows7-x64

Microsoft....4.appx

windows10-2004-x64

arm64/HEVC...RE.dll

windows7-x64

1

arm64/HEVC...RE.dll

windows10-2004-x64

1

arm64/mfH265Enc.dll

windows7-x64

1

arm64/mfH265Enc.dll

windows10-2004-x64

1

x64/HEVCDE...RE.dll

windows10-2004-x64

1

x64/mfH265Enc.dll

windows10-2004-x64

1

x86/HEVCDE...RE.dll

windows10-2004-x64

3

x86/mfH265Enc.dll

windows10-2004-x64

3

Microsoft....4.appx

windows7-x64

Microsoft....4.appx

windows10-2004-x64

1

x64/HEVCDE...RE.dll

windows10-2004-x64

1

x64/mfH265Enc.dll

windows10-2004-x64

1

x86/HEVCDE...RE.dll

windows10-2004-x64

3

x86/mfH265Enc.dll

windows10-2004-x64

3

Microsoft....6.appx

windows7-x64

Microsoft....6.appx

windows10-2004-x64

1

x86/HEVCDE...RE.dll

windows10-2004-x64

3

x86/mfH265Enc.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    Microsoft.HEVCVideoExtension_2.1.2191.0_neutral__8wekyb3d8bbwe.AppxBundle

  • Size

    7.3MB

  • Sample

    241005-w37bdatejd

  • MD5

    1060a387d13e4c46c32f6547fb5bdc64

  • SHA1

    5d1a857b98421a89f2f641ec46a0a9c37bff3a10

  • SHA256

    895a6ce7d66afb48d0347e8597c191d19514ed8f6c698555c8e0994a44c847a5

  • SHA512

    605c706468185a99a7d3b671ab3847615931ac308f1b710e83f4228eeaad0fedf60ef3f7186cfbceda870897cabd4deced9edbc00ac689e54175205d81613b4c

  • SSDEEP

    196608:Bda1PlVuBiR4bFuP2/Rxx3kmGMuP2/3x/NkNvGklHF:BI1PlVuBU4bwP26mGPP2ZyNv9lHF

Score
3/10
discovery

Malware Config

Targets

    • Target

      Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.arm64.appx

    • Size

      3.6MB

    • MD5

      f24a521817b826ab7f5fb801e4d4f346

    • SHA1

      878e6132ec3977949a583a4ee406f297c42212bc

    • SHA256

      569ab80728b15d2807fa0292f4c47de9332a125268695ab7721b8e53d27aa745

    • SHA512

      cb46334817031ceeb3b3c831fbf5ae69e34979ec03d71963249447680c3a3a2456aea0a1c6fcc65ec9ab4e74eecbed01311d92cccf23286c03c1be13c08c6e61

    • SSDEEP

      98304:fdaTBzLlVuyKZiRyY4dNTwSuP2/RexgxMuFjKw+TUXi:fda1PlVuBiR4bFuP2/Rxx3kmi

    Score
    1/10
    behavioral1behavioral2

    • Target

      arm64/HEVCDECODER_STORE.dll

    • Size

      1.4MB

    • MD5

      f0d8cde4db477fb28e6aea87f4698925

    • SHA1

      a595afb51101fefaa97393615749036d52826e1f

    • SHA256

      47fd7da5d98c478bc3bb8109d9c8b048a30ffb933356fdac4c57ec7e3c69c49b

    • SHA512

      e212d4774b25fc92e60c33a5ff353cc564b0ba3e155ce0bb3e9a5b53fc1f5889a218fff8385bcb065d66051217b7923412f9296aa7e0f4e97563346c9889dc4b

    • SSDEEP

      24576:/gnMQ3Hkt7azL81Rt0sAR24tI1zSycaAkIHl+qdzTDEaRChIBbZCC:4nMza38rcka2IbZX

    Score
    1/10
    behavioral3behavioral4

    • Target

      arm64/mfH265Enc.dll

    • Size

      1.5MB

    • MD5

      b84609d9a537338e6bbdf395287e71b1

    • SHA1

      15afa82f9b15fd8eadfedc1b0471f65024680283

    • SHA256

      bd259692d1952b8f4e6d87de31217cb14da49588f99524b33e00a918bb9f4014

    • SHA512

      13fd13a01b671c569a2ec787eac0cdd3b8cfbd67f2917686667b230cbde4fb7ec2ba3c76dfca7841174273198bf4b1731068402e7491fd4fa187ffab52e24d60

    • SSDEEP

      24576:LFbb0vA+VNk7Hrpwy4LfzxvGg0rWXAJ1gVK21oju5b+gGjNGcGq:LFbb0vFBy4LfzX0mJ1oju5bDYNTh

    Score
    1/10
    behavioral5behavioral6

    • Target

      x64/HEVCDECODER_STORE.dll

    • Size

      1.6MB

    • MD5

      f6ade24aa3367ce5f8f216353cfaac37

    • SHA1

      f66811e9f1322f60c9e7c433f404e4ed8f2ddc6f

    • SHA256

      849581c2784f5b9bcde924bbff6eb77a63b93f3a2a9728bdddf587a6513df160

    • SHA512

      2a6c81e74b8c0ff8a7e0b009acf65a19677b5d01f03e54d9255f2a5433bd86a05e686929e4be0244b1d20e69170d69c4dac1a967d9d5f11122df8c8f1a92fd81

    • SSDEEP

      24576:4NebgTdf8WvhxSpSXvMS2XT9TtCzD3uNijHyYIdUCutkH7hlcnpRT6QbwUpfiao:4oGBhzXvMSoT9TgKVYIBhlcnpRWQbbC

    Score
    1/10
    behavioral7

    • Target

      x64/mfH265Enc.dll

    • Size

      1010KB

    • MD5

      06bb72142c6a96f3373892e98d5a3f62

    • SHA1

      d64eee1b291ec9edf9107e896ae13420edc1be54

    • SHA256

      264c3cb6710577e4ceff75e67e4f6bb95f443c948d5dc30158097d264aaf487a

    • SHA512

      4c9ca4946c05e5093f682717b75529fbfafd20815ce7ace482a27ee383e98a8b9d0d8b157074d0d5e3420b2573272571f17446840e2c4299d8513bebec7d338f

    • SSDEEP

      24576:Mq8GZxQrLfJ+DYWvuL/gf0Caz1AjYHNb+:FjQrsDBCgfG1AjsNb+

    Score
    1/10
    behavioral8

    • Target

      x86/HEVCDECODER_STORE.dll

    • Size

      1.3MB

    • MD5

      f6e59ac8cfa6a202e82e2e2dd0b130b7

    • SHA1

      959fe005f9e5f5d912c3797e52bfff5e85648004

    • SHA256

      ebf5cf63acf516c026b4fee5a0bd758bb43dad31ba1f48fbc4c9a3633e9c68e9

    • SHA512

      e7a8eab638eb6819caa2391b785a252153780cf1e3c6fe8ba27d2662030f8c23eefd5250abdbc4a0057115a5292731646ff1cf29a9ba9a052890339ca189c74e

    • SSDEEP

      24576:VbWYLgrl7inSX5T1jIF18m+e7ZMkOv5G3KTW6XpI:Vb/gBXeqmV5OGaTW6XpI

    Score
    3/10
    discovery
    behavioral9

    • Target

      x86/mfH265Enc.dll

    • Size

      973KB

    • MD5

      2509592e7a9a169217c6d6b2f9338878

    • SHA1

      563f7d318cd9abffa6f08ed89bd36625703201af

    • SHA256

      5b78bb06a5994ba4a8b16a17f1976cf74dac6e1f3e774c36bb43c3aaa3edc1dd

    • SHA512

      5d83ca1eec8a6a54fb00db622ac38137e863507888ab9bf0573b10344fc40eb0a099c84328a6e37ff738970d67cc724aca027ffb5e12af35121f89b0d26f45a4

    • SSDEEP

      24576:eQ11gjX/QVpl7gG8geREGQihZ41GvQiAKhr0Iem+aJy4uEfW4gJtIV1boMssnJ7Q:eK1gjXa7gG8geREYAg76m+azu4WjJtIY

    Score
    3/10
    discovery
    behavioral10

    • Target

      Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x64.appx

    • Size

      2.4MB

    • MD5

      514622397511a4e436a3a2a1cf11976a

    • SHA1

      3fe319420619cca179915c90fb284db340cb30c0

    • SHA256

      6513eb4130f3538f4ba95426fcb397cae1bdf75ca584a8e109a67b28d8cb34e1

    • SHA512

      9649e17a7591964df00f5edaac2582170cb6bcb03a3676f4a82a82a80f1b0946c61a7e1ffb23e1b0bac10b75c236fb77c589d8ea9f982c33d6b00f901d62e732

    • SSDEEP

      49152:MTB1hYiEuZJ2/4FPgHRMuZtjKo/+6XKEt7nxiXKIA:MTXhSuP2/4xgxMuZtjKw+oUXvA

    Score
    1/10
    behavioral11behavioral12

    • Target

      x64/HEVCDECODER_STORE.dll

    • Size

      1.6MB

    • MD5

      c0d365ecee249f45b5fdd79385a53414

    • SHA1

      c58e793db21608fbf8bc9d179c12aad3984ad8b0

    • SHA256

      2aaf920dc87eda6c0f4e78e2839a5d25e9e6b984941c4c669322f0e763e6b6b6

    • SHA512

      bba1d6601355a5f51005a07696dcd9d76593ed49e76580db372b8c227678ce17a4e66c58578c4dc7b59dbcf99b856adb644232c847da4a54a70a2e3b5973b69e

    • SSDEEP

      24576:2NebgTdf8WvhxSpSXvMS2XT9TtCzD3uNijHyYIdUCutkH7hlcnpRT6QbwUpfiaq:2oGBhzXvMSoT9TgKVYIBhlcnpRWQbbA

    Score
    1/10
    behavioral13

    • Target

      x64/mfH265Enc.dll

    • Size

      1010KB

    • MD5

      8a4aad1119ebf50392ac366478d12abf

    • SHA1

      d45cb1b4d3cba14aedac8b9612bc40b779e6a186

    • SHA256

      e1fd470b6dea88310e0634b959d460ed4fc2eea8c83e4dfa9a54c89c0a0e121c

    • SHA512

      29f7bc9d9c45a8ddd218c7af7a5655a3fb4affd97fa6373de113e87534c552edd63524a4d49619ed7323a413e33c5a4138bc102dbffe43218c3d9f955166f7e2

    • SSDEEP

      24576:Qq8GZxQrLfJ+DYWvuL/gf0Caz1AjYHNbI:JjQrsDBCgfG1AjsNbI

    Score
    1/10
    behavioral14

    • Target

      x86/HEVCDECODER_STORE.dll

    • Size

      1.3MB

    • MD5

      a53f99fa01dd76d201af34238e48d67d

    • SHA1

      243375a9d26a156cdc27c9f96639e1bcd8007e83

    • SHA256

      71832f8583f5e36f78a0d6ac24fe22587e44344f462040794af7296741c89c54

    • SHA512

      2358242345cf286193660d1c04c871c55cc482a0a4b3c5b5f6b1beccbe087783022c1aa80ed0858d4c22afbd7beae6a2366e1adb4e359bf3b9deaad9df2b2c22

    • SSDEEP

      24576:XbWYLgrl7inSX5T1jIF18m+e7ZMkOv5G3KTWaN+:Xb/gBXeqmV5OGaTWaN+

    Score
    3/10
    discovery
    behavioral15

    • Target

      x86/mfH265Enc.dll

    • Size

      973KB

    • MD5

      a0aa2f7eef6512530c07494bb1ad5d6a

    • SHA1

      6dc9706bb21f6206db1b5489cea45335e672c5ec

    • SHA256

      42bd89a668a8986418119cf3632fc8538ea97d87d40f9789265f4a506db386e7

    • SHA512

      4cc4e92ea92a2eeb6d50ffa6b7ac58ca135fda1662a2aba4facdc88adb16616b89b2a2ea1d8f6d85179f33faf0a98477a617043a99c4ee0455b5cf42a906dc6e

    • SSDEEP

      24576:jX11gjX/QVpl7gG8geREGQihZ41GvQiAKhr0Iem+aJy4uEfW4gJtIV1boMssdJtx:jF1gjXa7gG8geREYAg76m+azu4WjJtIP

    Score
    3/10
    discovery
    behavioral16

    • Target

      Microsoft.HEVCVideoExtension_8wekyb3d8bbwe.x86.appx

    • Size

      1.3MB

    • MD5

      d0f176b2f9dc4edb978ea2513259e64e

    • SHA1

      9889f68d565788cca7c26706262afbb22c716062

    • SHA256

      5645773f3c485c4b7fffa7b29eb827fb6c71e1a9cbdcf770cd9f70e4c504095b

    • SHA512

      cd440ea786ca9a9ee31f9065562e68783aa14ad40510c0da8dccf622e374a3cc5080bc24af2d332f996d9ddc2af7fb751d90c28236953a156b9bc276e59392e6

    • SSDEEP

      24576:obKkO6Ki1mLK9IR/+x45JvBUVx17GtvFhxEGTPw7z94KMOxz:5kEjKo/+6XKji9nxiXKe1

    Score
    1/10
    behavioral17behavioral18

    • Target

      x86/HEVCDECODER_STORE.dll

    • Size

      1.3MB

    • MD5

      331a01db099e1221b49451d52d57fa6c

    • SHA1

      4223a528252a388593f5ff0c68a744abf8ccee66

    • SHA256

      75ef3076acf7f987fee558632b6617a932d998cc30e42b21ced5ab9db3a30fbd

    • SHA512

      7b5c7db1188be79915c8b768d498d902b3c77d25a10964fcfcc6ee4631992cca21c58183f212fdd1bf8c1b713a9b907ff2d289577ab0ac4fcda85d898ca8f859

    • SSDEEP

      24576:AbWYLgrl7inSX5T1jIF18m+e7ZMkOv5G3KTWz3oF:Ab/gBXeqmV5OGaTWz3oF

    Score
    3/10
    discovery
    behavioral19

    • Target

      x86/mfH265Enc.dll

    • Size

      973KB

    • MD5

      2fcadec5949b8960adc0c4d7f544edb8

    • SHA1

      4bba25268ac0f67a9fc23554d0e2284f239df66b

    • SHA256

      b7d6d277a1883cac93075e0d8ef1045a84d350234fb4da29b6bf074a5ddb2a55

    • SHA512

      7db871b53336b9da53bfdc5c3a3744932b1ad9f572e38d97d760c591b7d6dfaaef75bcd5611e1bc7ab07fea548ee0200f3709bea93be4af8feef7b01f6dda56a

    • SSDEEP

      24576:9X11gjX/QVpl7gG8geREGQihZ41GvQiAKhr0Iem+aJy4uEfW4gJtIV1boMssjJyJ:9F1gjXa7gG8geREYAg76m+azu4WjJtIW

    Score
    3/10
    discovery
    behavioral20

MITRE ATT&CK Enterprise v15

Tasks