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Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/08/2024, 01:03

General

  • Target

    2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe

  • Size

    4.5MB

  • MD5

    2530b8feac696c079e304a3462804517

  • SHA1

    5a3d6a2231fc4be82969b19408792965daf7acf4

  • SHA256

    44b7767e90c9a7d83b3f9e42789ecb9e008cd53224c83333f82220d7f26e631b

  • SHA512

    fb603d0406ad468bb623eddf02358ad95f50269a18f2d971f92922c15610061fbd734a9473cc05ce71b754bd4d532a42e4ef75229eedf4e81917331beae84c92

  • SSDEEP

    98304:XWqq+Mb+5yWv/Iy5YFWAvwznIdcwmIOQqjdkipazHMFnPVXhinw:XWaUWv/Iy5YPvwznomKdipazsNPdhiw

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 33 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\temp\ECAF25B07436FE11A9302FEC76D34698\2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe
      "C:\Windows\temp\ECAF25B07436FE11A9302FEC76D34698\2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe" -initialNonSecureSetupPath="C:\Users\Admin\AppData\Local\Temp\2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:552
      • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\setup_ui.exe
        "C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\setup_ui.exe" -cp=objref:TUVPVwEAAAAAAAAAAAAAAMAAAAAAAABGgQIAAAAAAAAmnVY4GqAzHJipib4ZWMAeAuQAACgC///Rs8W19Z87pi8AGQAHAE0AawBkAHQAcgB4AGkAdAAAAAcAMQAwAC4AMQAyADcALgAwAC4AMQA2ADAAAAAAAAkA//8AAB4A//8AABAA//8AAAoA//8AABYA//8AAB8A//8AAA4A//8AAAAA:
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.setup.ui.core.dll

    Filesize

    73KB

    MD5

    3d791db3fb8df9cfb95cdc1c89f576cf

    SHA1

    977725bdd90b7e20d86285c9d91c294a98f76ece

    SHA256

    6ff013a27dab58effd6b1fcc885e49302ac99a371c640f01001e036c4f06c6e0

    SHA512

    64cb627d2fefb9245462b5410cc7bbc111d84838f3be2fb8091cb5847faf115fe00397159db01ef6079cf6bbee0062ba71bf8a253b103f271562c61a79eb4a6e

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.setup.ui.dll

    Filesize

    279KB

    MD5

    3c7d941e01763db131f05cd5e17909d0

    SHA1

    a7f8afec2bae02d5e71de09691ed23a59afbb36b

    SHA256

    a985540c3dedab11d80faa0537ffc3e91f3f778da28f7d60dff3ccbbec97de74

    SHA512

    78ce5069df9da39b01ebea7ef7c6b582a2b266e51359d1d2561413df290f3eb2039341fc474317c116232542899d7cdd0d84e92837677770988d164f53e2b65f

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.setup.ui.interoplayer.dll

    Filesize

    55KB

    MD5

    b7e44cf662827b55d7f1aff8ad75bd01

    SHA1

    26447133da5fa2b79abb4004062d088501492a1f

    SHA256

    a82b14a1f48329b1288e92cbe72c033c1446fb813f6a8551a86c5dc1ade7aa16

    SHA512

    c46e8141a42dc5e0e491f1da09b5e2133fcc92f47e224309fdee1010229b262e94460ccfb63ebfe1ee7edadf10c3d1da3439e5d7e8a885f5f04f729657ba377d

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.setup.ui.visuals.dll

    Filesize

    406KB

    MD5

    70f74920e8265226ea92aae61e555df1

    SHA1

    1ba3bec7011418d63d181c1ac452cec1f7beb3a3

    SHA256

    6ac4ff8fd298f8f78c825eb714c801f026db14a1862eec9562952b59a2f862f8

    SHA512

    4ca6d4f881a2dbc1f6c0194451429c389fa0b6a9bd18f5477227895fbb5a5d513c212c4adb48d956603a95216f70c52f07016be2ad92a5c5ccf4f5c44d592673

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.ui.framework.dll

    Filesize

    213KB

    MD5

    676bdc05672d36e2ef7de38aa83a2803

    SHA1

    1a87a7c0b8571631800c517fac92a06bd88657b9

    SHA256

    79c7455735eb0b7e8b3cf46da78b06fb81229169d85039afab44ca74fe3f9a43

    SHA512

    c136de38e9bf50b901ab79d51169356f6f8077c18d440ea39d6920f2335f7cd67537697b90479be4a6dc59529842121b84f2e7b9223c740e6453ae47ac3de78d

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.ui.framework.localization.dll

    Filesize

    285KB

    MD5

    2985b28c3485039cbee81b840b5437b4

    SHA1

    c7020d197d094196137655da3b0196720d99d2de

    SHA256

    586c371ecc1b17c7cac9f8d72961d9d6504b0bf855ca3501262bb0338c6654a4

    SHA512

    9c2c82c1c1bee1a9e76868a7598998c0b927505395e700d6aac05e7c2a4f522f715534bcd8a512152b7879fc87ee11ceb07c4ef440de5519295d8ababdac6022

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.ui.framework.uikit.b2c.dll

    Filesize

    659KB

    MD5

    8acd5d780ddd04ce22f90db393027cc6

    SHA1

    2466b7e57fb2997e50cfac797065cbe7c565e671

    SHA256

    029317b7e585abd3561020ae0d9a941f64abf01302024270c7fa55648d0c5360

    SHA512

    a57c323a7267a21d2f262d99edd4edc7ba8254e301c3f9c0f8b9d9fbf21914896c0e4517a3a1985976cc80dc2afca595c7369537fa11d10185be26b734179946

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\kl.ui.framework.uikit.dll

    Filesize

    2.9MB

    MD5

    05b722edf678407e6da411924d11bf74

    SHA1

    2df3ba610c858ea6156867f1ade8aebe3f278d28

    SHA256

    41eb3558586ee2eacc0822b725fba7f755f54c7b0ac450dfeba5a59057192b44

    SHA512

    16a16d35cbb0a71298ce3413d44fd790ee49d8649e0eb9587cd6f20621a3ede6987de6bdb2377180d4616c4fc2b677cff378e89aa9e8e37da3b5a7e6e5ab7484

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\setup.dll

    Filesize

    5.6MB

    MD5

    62ed214f790d5576cec209bbbbb10add

    SHA1

    0b8c9541a3d7be12665634d15fd0bf16904dd9b3

    SHA256

    dd51412f2759552260045f3129d5d09b1574d2c8ddf185ead3f1ccb69e015634

    SHA512

    e37d87cd8dca11e79c55e2a759db889f7ce1ad7caa8e139cad131f523cddb090a385c1ea7c678b1b377f2a4e8ebe216bb346caba29fcc42f118effb31749d0b4

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\setup_ui.exe

    Filesize

    655KB

    MD5

    34b460a68dc60ca8d661da36271a0e41

    SHA1

    1a2105d0f7c2f18661a95b3a9d664bb960c561f1

    SHA256

    61cc2b1b1f9dfc5b45fb77cb9c27bd87e3001d70c00e585e8493f0278ece095e

    SHA512

    7742fea3c8fb88823cd4e395e4bc20a062c0c16325c72016e0d09dd68e987f2465257a31fa12683517ab2e66503030d1de0455555bb8641f8413bf611e0abd33

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectorconverterswpf.dll

    Filesize

    136KB

    MD5

    9ed0b05697672396a56f9d5c249b7c53

    SHA1

    928e251256859ed146c8b566287ccbcece647878

    SHA256

    93a87c48b86a10f6c0e59827ae90e7af45a0fc61f92df2a64ee47e4219b3873f

    SHA512

    e0ab1c3a50d09ee5174cd1a3ff27566a0e23e5a75c7d16da6635df227e57d68e9cc3cb0f89a14148fe5a9d506e0431f2654bc678a26c928fdd093140051b974f

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectorcore.dll

    Filesize

    201KB

    MD5

    9620b9b61a710c8a2178747a74d066ac

    SHA1

    1d48e8583dcff441d880b2e2d00fa2c9b6ac905f

    SHA256

    3929ef5d1c09611bde783054cdaa6f19e07a9f22c7e9c85edf9510d13c7c423e

    SHA512

    c88b2dccc17e04ecb9afe3133069778a88873a98133cc2989fde6ced1cbe00c434c9bc6019fdab02b0b65db65f81efc18e235dc2dc827a28cbd0f6397f3b7f68

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectorcss.dll

    Filesize

    108KB

    MD5

    3249c9313d6902a72ef8f971c26f5082

    SHA1

    726f2eb6b2a82e21eee0e5e497a028f461fc9f95

    SHA256

    393d5ac9b4f30928496f39120ad300b7a81cd7533133adc8c935ce3d1ccacf60

    SHA512

    22ab9eadfcfc24680f5c568024e062141d00a9f4d929ee452cafae3c5ea0d039513b8c17ea85ca2d104f1d4e60ab8b9e44a5ecb6818617d008549ae08215214a

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectordom.dll

    Filesize

    55KB

    MD5

    46f91941e61609973979d8e5bf321a31

    SHA1

    1b86653c3fdee62d587d3afdad0ffa5aad01235e

    SHA256

    21675b87be651e4a2e7ce2af5a62d9e10a1a04dc2c58e1751b304089a7d5a070

    SHA512

    1a251c8491061a9b01406ba4f89d356edf8417cd89e29a961007964b501ed5ce10baeeb7a388cfb661b21b4cdb09d2a8b2c1c207a85cc285a76614775e71c923

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectormodel.dll

    Filesize

    996KB

    MD5

    768fd4b2b69b57e5a3370dd19db5bd9f

    SHA1

    6fe8859921169d25cf67af7567f2a97df7da7941

    SHA256

    4eb40c9c1019c0804c813cd0eff2c0da709724b022a4e510be5d6a89cc05bab4

    SHA512

    e08ce0545235b1acc43798eff56570752ae2bf77adb38cb3fae8e2781f8c9cc1709d251709e2491fd8ef203676c9ab7fe91590792ae37226c6e605eb36c4a61c

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectorrenderingwpf.dll

    Filesize

    202KB

    MD5

    e53fe31b6e8e76e82321b1a7333cece0

    SHA1

    d70a43434b8c3022fe9c9b7f2f3be15c49bd8b72

    SHA256

    97ec1da3c2bfa0d12f3f6d03ceb7316214a07e55f183c324746b1ce8f050503d

    SHA512

    e1679116976918d520f01885498d46e0233a1750a47979cbd675ddc4b8f3047a616cfd94bb60ad15c5dd1a9f49357eefced5b012f7e2e90a5ae21515fa51e3fa

  • C:\Users\Admin\AppData\Local\Temp\849F17B07436FE11A9302FEC76D34698\sharpvectorruntimewpf.dll

    Filesize

    69KB

    MD5

    551b9e8050754178469ec56cd0a61c3a

    SHA1

    e8d0ab21a7dad026f50a64d14d5226a7cc1c8574

    SHA256

    560366743fb87ac7f1c3236f3b21856b8585b580d785b3e79349e603fd80fb14

    SHA512

    c545860998595ff730271f94588841e99383138fd6b6ab5064708cf99ad4e88ba22e7573ed49f5533be1d588dff0cb4976de35d32237b99015019aebd4d3112c

  • C:\Windows\Temp\ECAF25B07436FE11A9302FEC76D34698\2024-08-26_2530b8feac696c079e304a3462804517_avoslocker.exe

    Filesize

    4.5MB

    MD5

    2530b8feac696c079e304a3462804517

    SHA1

    5a3d6a2231fc4be82969b19408792965daf7acf4

    SHA256

    44b7767e90c9a7d83b3f9e42789ecb9e008cd53224c83333f82220d7f26e631b

    SHA512

    fb603d0406ad468bb623eddf02358ad95f50269a18f2d971f92922c15610061fbd734a9473cc05ce71b754bd4d532a42e4ef75229eedf4e81917331beae84c92

  • memory/552-8-0x0000000077BA0000-0x0000000077BB0000-memory.dmp

    Filesize

    64KB

  • memory/552-144-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/552-7-0x0000000077BA0000-0x0000000077BB0000-memory.dmp

    Filesize

    64KB

  • memory/552-10-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/552-9-0x0000000077BA0000-0x0000000077BB0000-memory.dmp

    Filesize

    64KB

  • memory/876-1-0x0000000077B90000-0x0000000077BA0000-memory.dmp

    Filesize

    64KB

  • memory/876-3-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/876-0-0x0000000077B90000-0x0000000077BA0000-memory.dmp

    Filesize

    64KB

  • memory/876-2-0x0000000077B90000-0x0000000077BA0000-memory.dmp

    Filesize

    64KB

  • memory/4800-43-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/4800-96-0x00000000069E0000-0x0000000006A46000-memory.dmp

    Filesize

    408KB

  • memory/4800-92-0x00000000064D0000-0x00000000067BE000-memory.dmp

    Filesize

    2.9MB

  • memory/4800-100-0x0000000006B00000-0x0000000006BA6000-memory.dmp

    Filesize

    664KB

  • memory/4800-101-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/4800-88-0x0000000006170000-0x00000000061D6000-memory.dmp

    Filesize

    408KB

  • memory/4800-106-0x0000000006F70000-0x0000000006FA4000-memory.dmp

    Filesize

    208KB

  • memory/4800-87-0x00000000060B0000-0x00000000060F8000-memory.dmp

    Filesize

    288KB

  • memory/4800-110-0x0000000006FB0000-0x0000000006FD2000-memory.dmp

    Filesize

    136KB

  • memory/4800-111-0x0000000007080000-0x0000000007112000-memory.dmp

    Filesize

    584KB

  • memory/4800-82-0x0000000005D40000-0x0000000005D52000-memory.dmp

    Filesize

    72KB

  • memory/4800-119-0x00000000074C0000-0x00000000075BA000-memory.dmp

    Filesize

    1000KB

  • memory/4800-83-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/4800-53-0x00000000059B0000-0x00000000059F6000-memory.dmp

    Filesize

    280KB

  • memory/4800-115-0x0000000007220000-0x0000000007252000-memory.dmp

    Filesize

    200KB

  • memory/4800-127-0x0000000007270000-0x000000000727E000-memory.dmp

    Filesize

    56KB

  • memory/4800-57-0x0000000005A00000-0x0000000005A36000-memory.dmp

    Filesize

    216KB

  • memory/4800-123-0x0000000007280000-0x000000000729C000-memory.dmp

    Filesize

    112KB

  • memory/4800-131-0x0000000007410000-0x0000000007422000-memory.dmp

    Filesize

    72KB

  • memory/4800-46-0x0000000003270000-0x000000000327E000-memory.dmp

    Filesize

    56KB

  • memory/4800-139-0x000000000B060000-0x000000000B098000-memory.dmp

    Filesize

    224KB

  • memory/4800-140-0x000000000B0F0000-0x000000000B0FE000-memory.dmp

    Filesize

    56KB

  • memory/4800-42-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/4800-152-0x00007FFD59190000-0x00007FFD59385000-memory.dmp

    Filesize

    2.0MB

  • memory/4800-153-0x00000000002C0000-0x0000000000365000-memory.dmp

    Filesize

    660KB

  • memory/4800-156-0x0000000005F10000-0x0000000005F18000-memory.dmp

    Filesize

    32KB