Overview

overview

7

Static

static

3

LayetuFixedd.exe

windows7-x64

7

LayetuFixedd.exe

windows10-2004-x64

7

$PLUGINSDI...ls.dll

windows7-x64

3

$PLUGINSDI...ls.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDIR/UAC.dll

windows7-x64

3

$PLUGINSDIR/UAC.dll

windows10-2004-x64

3

Installer.exe

windows7-x64

1

Installer.exe

windows10-2004-x64

7

LICENSES.c...m.html

windows7-x64

3

LICENSES.c...m.html

windows10-2004-x64

3

d3dcompiler_47.dll

windows10-2004-x64

1

ffmpeg.dll

windows7-x64

1

ffmpeg.dll

windows10-2004-x64

1

libEGL.dll

windows7-x64

1

libEGL.dll

windows10-2004-x64

1

libGLESv2.dll

windows7-x64

1

libGLESv2.dll

windows10-2004-x64

1

locales/af.ps1

windows7-x64

3

locales/af.ps1

windows10-2004-x64

3

locales/uk.ps1

windows7-x64

3

locales/uk.ps1

windows10-2004-x64

3

resources/elevate.exe

windows7-x64

3

resources/elevate.exe

windows10-2004-x64

3

vk_swiftshader.dll

windows7-x64

1

vk_swiftshader.dll

windows10-2004-x64

1

vulkan-1.dll

windows7-x64

1

vulkan-1.dll

windows10-2004-x64

1

$PLUGINSDI...gs.dll

windows7-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

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General

  • Target

    LayetuFixedd.rar

  • Size

    79.1MB

  • Sample

    240902-bvk3ysyemb

  • MD5

    038bbc1076d471902cc34587f5d303cf

  • SHA1

    36a0d4aa39aa4bf9f5f22607e8a2238f277af613

  • SHA256

    2ae166f7a476be2f7e635be4972a151d591319798105b4ab7153898bbd025cbe

  • SHA512

    0eb2c6c19aff6b1368afbf441fbb98e9db76f6767c711f0717fdaa4c567a0ffbba8b0a30af195f3fed8400e9e7274a40552c2b0757141e880afaa16f84cf9016

  • SSDEEP

    1572864:rlCP/X5MmvGFRrDh6KozA9tgAl2KFVzJS7Z0IRBwXoTTHnmC:4PamvORrsKos9UKHzwaWBwX+zmC

Score
7/10
discoveryexecution

Malware Config

Targets

    • Target

      LayetuFixedd.exe

    • Size

      79.2MB

    • MD5

      899e7fbb94dfec366be227daf0f375a7

    • SHA1

      008b0d4ea23244812ad957a3c5ad93db7bf4cede

    • SHA256

      9b29b25bcf1f1c77df7a60109e30873dcfcff439152f18136fa77168712a7966

    • SHA512

      222fa0b356b944f1531f84251275bbed1dc919e8b3ad4c830d9fd26df191e8ac4695188ad86d59e947d09d33d3b388cbd2b138bd589ff46c684a1a4205369737

    • SSDEEP

      1572864:96LBYHwmDo/8avRWbYQHaZHBFdNYZvpXuyp3uOtWqwP:4uQL8avMbRHazFCHYAn4

    Score
    7/10
    discovery

    • Loads dropped DLL

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/StdUtils.dll

    • Size

      93KB

    • MD5

      21d805663834f61cb443545b8883faf2

    • SHA1

      b222c5ca1e4cb8a7bff7eb7b78d46b8d99bf71e1

    • SHA256

      c18b46a68436d164c964ba9b208e5c27ccc50e6a5a2db115e8fb086663b5308f

    • SHA512

      37836150ef2837f69b82399024d0b93dbdac992971c7fe7b50959107c0520f5874d45f4230f08554514e3bd6a76d6e35c55c8afd53f993aba18f77475ef02001

    • SSDEEP

      1536:fn3DhuJJT35gGtLjbMGCDsTF7RqXqOGrgCf46qKn6LJ8Lr7f59aguhrAPfKS:fnNuJJT35gGtjMhDsTF7RqXqf8ZQEwy

    Score
    3/10
    discovery
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      fbe295e5a1acfbd0a6271898f885fe6a

    • SHA1

      d6d205922e61635472efb13c2bb92c9ac6cb96da

    • SHA256

      a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1

    • SHA512

      2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

    • SSDEEP

      192:yPtkiQJr7V9r3Ftr87NfwXQ6whlgi62V7i77blbTc4DI:N7Vxr8IgLgi3sVc4

    Score
    3/10
    discovery
    behavioral5behavioral6

    • Target

      $PLUGINSDIR/UAC.dll

    • Size

      14KB

    • MD5

      4814167aa1c7ec892e84907094646faa

    • SHA1

      a57a5ecbdfa9a8777a3c587f1acb02b783afc5ee

    • SHA256

      32dd7269abf5a0e5db888e307d9df313e87cef4f1b597965a9d8e00934658822

    • SHA512

      fb1f35e393997ecd2301f371892b59574ee6b666095c3a435336160481f6ef7ed5635c90ce5d2cf88e5ef4a5affb46cb841b7d17e7981bd6e998531193f5d067

    • SSDEEP

      384:3A7q72y8XYDSDJe7H+KXKKK2KRKuKZrjVo787foI7:3sygyraXjQ7Zl99

    Score
    3/10
    discovery
    behavioral7behavioral8

    • Target

      Installer.exe

    • Size

      152.8MB

    • MD5

      04381c4cf5aec314ce1d6a1a38590ade

    • SHA1

      a78a0e9bc8f002d4fc53428e5b2c6ec346fa3dac

    • SHA256

      6428aeaf90c857ce6c77f39f2c5c2186e7d54a5909657bcf953ffd1b344e501b

    • SHA512

      2f29d7e76550f1e284cae7acd660b108495c6456e2abb398a49d036ac50399dc734bcff096f79abcc06002b5a01aff508c8239e843aefcdfca3e700a35933aec

    • SSDEEP

      1572864:CLBZB52nvuZ7wVuMbgR7Sp6kYdEctmhoLsPagBsgkx52HYhwj+vfIBUdoJnP9Dj0:CypCmJctBjj2+Jv

    Score
    7/10
    execution

    • Loads dropped DLL

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral10behavioral9

    • Target

      LICENSES.chromium.html

    • Size

      7.9MB

    • MD5

      312446edf757f7e92aad311f625cef2a

    • SHA1

      91102d30d5abcfa7b6ec732e3682fb9c77279ba3

    • SHA256

      c2656201ac86438d062673771e33e44d6d5e97670c3160e0de1cb0bd5fbbae9b

    • SHA512

      dce01f2448a49a0e6f08bbde6570f76a87dcc81179bb51d5e2642ad033ee81ae3996800363826a65485ab79085572bbace51409ae7102ed1a12df65018676333

    • SSDEEP

      24576:dbTy6TU675kfWScRQfJw91SmfJB6i6e6R626X8HHdE/pG6:tygpj

    Score
    3/10
    discovery
    behavioral11behavioral12

    • Target

      d3dcompiler_47.dll

    • Size

      4.7MB

    • MD5

      2191e768cc2e19009dad20dc999135a3

    • SHA1

      f49a46ba0e954e657aaed1c9019a53d194272b6a

    • SHA256

      7353f25dc5cf84d09894e3e0461cef0e56799adbc617fce37620ca67240b547d

    • SHA512

      5adcb00162f284c16ec78016d301fc11559dd0a781ffbeff822db22efbed168b11d7e5586ea82388e9503b0c7d3740cf2a08e243877f5319202491c8a641c970

    • SSDEEP

      49152:KCZnRO4XyM53Rkq4ypQqdoRpmruVNYvkaRwvhiD0N+YEzI4og/RfzHLeHTRhFRNc:xG2QCwmHPnog/pzHAo/A6l

    Score
    1/10
    behavioral13

    • Target

      ffmpeg.dll

    • Size

      2.7MB

    • MD5

      e096c168b79a56ded0df1aa142d9f1da

    • SHA1

      318f20dab294a315bd935160e9417fb5b28300f5

    • SHA256

      65cc75329d17ec264e7a2db571ea55f918394241445ea64569a56c75d0cfdc60

    • SHA512

      3dccf6ce85ef7e75690a5851642f10bb5e6e1572e91e933bacb7fcbfe405b0412b94ba0e160c3ba8d68d2b9afc1da268f61c83dccd6453d8c9470931ee900bfd

    • SSDEEP

      49152:YGJO72cNsdMZWfAn1fdmZMOqcQrGhjUHgNxGUwSCmmfYDJGz5SN3lzl3hSKqH:Jj8n1QqGCmmfIUz59t

    Score
    1/10
    behavioral14behavioral15

    • Target

      libEGL.dll

    • Size

      470KB

    • MD5

      1eecfb04c4434f5a813c8f0c0c8f2c88

    • SHA1

      6dc3ca4b3f72e7fb33ba26fa488de323edb59add

    • SHA256

      897ceb95fb164640ddd2426673997b5f6fc2619fd916b038b575a70a0682a706

    • SHA512

      d7818a42a76508ac3150aea8d4e168b2db36f55f71983a177002086380a82e307624cfe37b01ffc3d7eb407485d182654d0d7c6a0c06ccaae60666630469c7e0

    • SSDEEP

      6144:F9L2FFtoVsruIzUEzUST6uHKw+BubaOQ74PlqF8:F9CGafznzUSTRY70I

    Score
    1/10
    behavioral16behavioral17

    • Target

      libGLESv2.dll

    • Size

      7.3MB

    • MD5

      cba2436016f7a2838588a52d5b6f30f1

    • SHA1

      81ddf44b3e122dfbee1a2cd8d4544364f1a621a4

    • SHA256

      bcb3a3d2fca3c33fa3d1d5dc976aa913cdc8001df8e64c2cd3d2c545245141bf

    • SHA512

      d92a880b5f83c5ae10ae9a83e38a293bb0e8c7659dd6ece162fc752d57c9fcde8036b81b023cd9f0f4f32b95b06fd4c366e20301010354b6cb904398a3149a44

    • SSDEEP

      98304:U8qvGdDtslh+LD3ZDWfnSvBSDU5bPm3k89Ld3gsOMt/:JD3ZXJ7bPWLWsD/

    Score
    1/10
    behavioral18behavioral19

    • Target

      locales/af.pak

    • Size

      368KB

    • MD5

      7e51349edc7e6aed122bfa00970fab80

    • SHA1

      eb6df68501ecce2090e1af5837b5f15ac3a775eb

    • SHA256

      f528e698b164283872f76df2233a47d7d41e1aba980ce39f6b078e577fd14c97

    • SHA512

      69da19053eb95eef7ab2a2d3f52ca765777bdf976e5862e8cebbaa1d1ce84a7743f50695a3e82a296b2f610475abb256844b6b9eb7a23a60b4a9fc4eae40346d

    • SSDEEP

      6144:ebGJWQdLX/Wi6fR9a5DhZ2FQPnUGSBhjA636Zi2Jyn9Ybt5KXpgmLwSVxJsVxSjf:6GJW2bOi6fRmZ2OPnUThjA636Zi2Jynd

    Score
    3/10
    execution
    behavioral20behavioral21

    • Target

      locales/uk.pak

    • Size

      688KB

    • MD5

      ee70e9f3557b9c8c67bfb8dfcb51384d

    • SHA1

      fc4dfc35cde1a00f97eefe5e0a2b9b9c0149751e

    • SHA256

      54324671a161f6d67c790bfd29349db2e2d21f5012dc97e891f8f5268bdf7e22

    • SHA512

      f4e1da71cb0485851e8ebcd5d5cf971961737ad238353453db938b4a82a68a6bbaf3de7553f0ff1f915a0e6640a3e54f5368d9154b0a4ad38e439f5808c05b9f

    • SSDEEP

      12288:wrccq9nty/KiDswU1nbx05kB3IjUUmEg5KuoLNiXElqnOyh:HGX35EEK

    Score
    3/10
    execution
    behavioral22behavioral23

    • Target

      resources/elevate.exe

    • Size

      105KB

    • MD5

      792b92c8ad13c46f27c7ced0810694df

    • SHA1

      d8d449b92de20a57df722df46435ba4553ecc802

    • SHA256

      9b1fbf0c11c520ae714af8aa9af12cfd48503eedecd7398d8992ee94d1b4dc37

    • SHA512

      6c247254dc18ed81213a978cce2e321d6692848c64307097d2c43432a42f4f4f6d3cf22fb92610dfa8b7b16a5f1d94e9017cf64f88f2d08e79c0fe71a9121e40

    • SSDEEP

      3072:1bLnrwQoRDtdMMgSXiFJWcIgUVCfRjV/GrWl:1PrwRhte1XsE1l

    Score
    3/10
    discovery
    behavioral24behavioral25

    • Target

      vk_swiftshader.dll

    • Size

      5.1MB

    • MD5

      524b0d85d992f86a7f26c162f3dbb91c

    • SHA1

      bc9c862fd01f6134a0514dcb63f9fab7a61ce269

    • SHA256

      5b2ffb78fa963f2dea5a7fcf7676fc3aba243c4372d7528c8f1fc8f726d0a3fa

    • SHA512

      422a18af294d7551224e05f5f4f5dcfa51b3455c2e61fc285fd2b95b50274eb77ff317647e17b0e7d47459b4fed19c7c88c90e0878f2269a78d598b1196401d8

    • SSDEEP

      98304:RKJSTu+985EkjstvgsnpkkHF3y/AFIB7:RQq85EkjstvgsnpkkJETB

    Score
    1/10
    behavioral26behavioral27

    • Target

      vulkan-1.dll

    • Size

      906KB

    • MD5

      6d4adf9a48dbce2e480ef10b1338ca3c

    • SHA1

      ceb77d5768c6eda84ec8e0b43821b8027764de81

    • SHA256

      4cca7e6c05b2d988926e4b4d0c8ff91d6356f18de8bf40b440251180e5cad6a7

    • SHA512

      106db7309b40afabb1cca911b204c83129683dc116aec198568c4228c581bf0de5963bffc0b50df8f43ec355264f271fc383f4155be45350c0d7dd429c7f7f09

    • SSDEEP

      24576:IEW7F7IyaHx/fempu2e6Z5WODYsHh6g3P0zAk7o:e7IyaBfempa6Z5WODYsHh6g3P0zAk7

    Score
    1/10
    behavioral28behavioral29

    • Target

      $PLUGINSDIR/nsDialogs.dll

    • Size

      9KB

    • MD5

      ab101f38562c8545a641e95172c354b4

    • SHA1

      ec47ac5449f6ee4b14f6dd7ddde841a3e723e567

    • SHA256

      3cdf3e24c87666ed5c582b8b028c01ee6ac16d5a9b8d8d684ae67605376786ea

    • SHA512

      72d4b6dc439f40b7d68b03353a748fc3ad7ed10b0401741c5030705d9b1adef856406075e9ce4f1a08e4345a16e1c759f636c38ad92a57ef369867a9533b7037

    • SSDEEP

      96:o3W4JlD3c151V1gQoE8cxM2DjDf3GEst+Nt+jvcx4K8qndYv0PLE:o3p3ggQF8REskpxZdO0PLE

    Score
    3/10
    discovery
    behavioral30behavioral31

    • Target

      $PLUGINSDIR/nsExec.dll

    • Size

      6KB

    • MD5

      50ba20cad29399e2db9fa75a1324bd1d

    • SHA1

      3850634bb15a112623222972ef554c8d1eca16f4

    • SHA256

      e7b145abc7c519e6bd91dc06b7b83d1e73735ac1ac37d30a7889840a6eed38fc

    • SHA512

      893e053fcb0a2d3742e2b13b869941a3a485b2bda3a92567f84190cb1be170b67d20cc71c6a2cb92f4202140c8afd9c40a358496947d709e0c4b68d43a368754

    • SSDEEP

      96:17GUxNkO6GR0t9GKKr1Zd8NHYVVHp4dEeY3kRnHdMqqyVgNT3e:5XhHR0aTQN4gRHdMqJVgNa

    Score
    3/10
    discovery
    behavioral32

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
3/10

behavioral1

discovery
Score
7/10

behavioral2

discovery
Score
7/10

behavioral3

discovery
Score
3/10

behavioral4

discovery
Score
3/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

discovery
Score
3/10

behavioral8

discovery
Score
3/10

behavioral9

Score
1/10

behavioral10

execution
Score
7/10

behavioral11

discovery
Score
3/10

behavioral12

discovery
Score
3/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

execution
Score
3/10

behavioral21

execution
Score
3/10

behavioral22

execution
Score
3/10

behavioral23

execution
Score
3/10

behavioral24

discovery
Score
3/10

behavioral25

discovery
Score
3/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

discovery
Score
3/10

behavioral31

discovery
Score
3/10

behavioral32

discovery
Score
3/10

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