Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12-05-2024 03:35

General

  • Target

    MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe

  • Size

    5.3MB

  • MD5

    fbd9ad001bb2719f574c0705c5de05fb

  • SHA1

    d07e77a490ad677935ac8213b88237e94440e791

  • SHA256

    f0031f9d7f25d4d29581879f62565a5a565995899adc60213f9e218147c78593

  • SHA512

    5724e3f858ae7ea92ba4ce325f3f8f4b90ecc6d7c19476e2888c4b09f0913463191b977f71314300918cceb0a6ae0b80e29d3c70891e8aeb9314da233a929e96

  • SSDEEP

    98304:oeZOuRuvqAgef1ndGaX6tJJQv2FKA75OpVclc02vDRZTEB:1ZOPNdo3u0jc02vVZoB

Score
4/10

Malware Config

Signatures

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe
    "C:\Users\Admin\AppData\Local\Temp\MuMuInstaller_3.1.7.0_gw-overseas12_all_1712735105.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Users\Admin\AppData\Local\Temp\7z6007881C\nemu-downloader.exe
      C:\Users\Admin\AppData\Local\Temp\7z6007881C\nemu-downloader.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Users\Admin\AppData\Local\Temp\7z6007881C\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z6007881C\ColaBoxChecker.exe" checker /baseboard
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1760
      • C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:1600
      • C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:2072
      • C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\070E0202839D9D67350CD2613E78E416

    Filesize

    1KB

    MD5

    55540a230bdab55187a841cfe1aa1545

    SHA1

    363e4734f757bdeb89868efe94907774a327695e

    SHA256

    d73494e3446b02167573b3cde3ae1c8584ac26e15e45ac3ec0326708425d90fb

    SHA512

    c899cb1d31d3214fd9dc8626a55e40580d3b2224bf34310c2abd85d0f63e2dedaeae57832f048c2f500cb2cbf83683fcb14139af3f0b5251606076cdb4689c54

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\070E0202839D9D67350CD2613E78E416

    Filesize

    230B

    MD5

    59b39217dc9dd24409578f21a39292cf

    SHA1

    fb97146cc7e36338c685952a9d6a2578d11a65d4

    SHA256

    6bba54a39b1671242ef216635c941588d8066f080a2bbbda27f033305422fa4e

    SHA512

    9e3e85dd7b799ecf6682c157e057e84ec6a4e707c67f6e1d97cc21309bce0ee3a03376b1af2b44da45d62bd10e8fba279c1fc2b6d74ed125072ba6d3d7ed3775

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

    Filesize

    344B

    MD5

    10af2820e9bbde15f4a5f1410604b034

    SHA1

    ad04115bfda2aeca5511ab29163a82a21b33ffee

    SHA256

    25a62fb2a174363be2575ed20b54b6372d57bc3d47af2aeadf20db4857e1d290

    SHA512

    c892d32053afb462d0a30266a968b000339fb0edbaf720b6634e5574f619fb461e13cd9e5a99c391fe51391cd4ebd24af38cbbd8cf6ae99701e9a1b69f7b3ea7

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

    Filesize

    344B

    MD5

    74812b2cf31b68e13c07f977e2594435

    SHA1

    e37f434878eb522fc72aa874456875d40b1343d6

    SHA256

    4949ae397f95bbd5afb4f5fc300061e773daad86d053e247e37b520d2368e710

    SHA512

    98fec4803cb4ba6594329df8058aa7746451302b715de06a6e319c5058e7ac9632b6851537582e545e954c2e0a481880f1370c1be60db609ca3b6ae128cbcc15

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

    Filesize

    344B

    MD5

    8a8c69c7e83beafa2418fb191b1a835c

    SHA1

    32048138aa37ed40036c7d7cbc3699ae3cf0908d

    SHA256

    a90382977458455c1916750a4f5777de885fc0da80fbbf5b190d98a06900e0b6

    SHA512

    9dd6e6b39eda7343d5557b12e3b3b03cf314365fc1fa4a4e425bb42637a0e4b64ce9b5e7d435d03255e41f40ba55c7503cde9876eb4643ef1ecffac45fbbc1b2

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

    Filesize

    344B

    MD5

    d8d045972019c910204d76f5fbb1b548

    SHA1

    66ce03e11631de5477128f352dd8e330fb819d3e

    SHA256

    1e1ef29f6a0639b32fdd7406fdf85b8eec43e8eab30fb0132a2d266c1c5ef5e9

    SHA512

    d04cf304b206b274a8e9e671c220585e3215a6a1732279c4ffb36565c85e4b867899c5e8ab5812bd1fc3cff35b4f64c56216c9fc77c2fc9dc6767cb024fb0d8c

  • C:\Users\Admin\AppData\Local\Temp\7z6007881C\ColaBoxChecker.exe

    Filesize

    4.0MB

    MD5

    839708e3f96cf055436fa08d6205263c

    SHA1

    a4579f8cb6b80fe3fd50099794f63eb51be3292f

    SHA256

    1373c5d006a5dbcd9b86cfff9a37616f1245d1333c4adcefc7cd18926b98d752

    SHA512

    ece67e031e06a0442d935e7d81d0eed57ae92b348b5d104423577478ce226e4a4bde834c54e31d33bfe6f574fb7798ba96886d9e8edb738edee6e7c9c43054cd

  • C:\Users\Admin\AppData\Local\Temp\7z6007881C\HyperVChecker.exe

    Filesize

    117KB

    MD5

    dbd84c6083e4badf4741d95ba3c9b5f8

    SHA1

    4a555adf8e0459bfd1145d9bd8d91b3fff94aad0

    SHA256

    9ff467bc5a1c377102d25da9fa9c24dcc4375f456510f71584f0714fdfb2af39

    SHA512

    fb5fe74f64254609e07d6642acf904562bb905cd7c14c6f85ba31bcdbaf06686c0586609ec4f5d2f8f55ff90334dcbb774a3a6e78df74bf1b1d0cd03dec21870

  • C:\Users\Admin\AppData\Local\Temp\7z6007881C\baseboard

    Filesize

    114B

    MD5

    257801b5e7f5bba21d75327d32fcfc62

    SHA1

    d7b30fb7e931fd108ac3d447093a2c76d658763a

    SHA256

    95691e6f017e3da4c9b2e6b47695a83e6298e3faaa9f966dc3a7f0ac1c7b4cd0

    SHA512

    098d12d1b4f2a7bcee5c17ef1f4cf79d3b2b81014052a0ec2a84bb3429d09aff2f8693be0d6d2cb2f2094beaa6c80dd0d241d1ab2494469ef0ecc341c16b4d64

  • C:\Users\Admin\AppData\Local\Temp\7z6007881C\config.ini

    Filesize

    346B

    MD5

    d00fb4c61a255b58ff09886c6c72461b

    SHA1

    4e4f7d7ae36f67a4d6fc8479f8400b3eb769e978

    SHA256

    77dec4d79e1e844a2156f101defc0fc81c138a989e8ba1c722c58feb91b3cd4a

    SHA512

    8494ab9fe0594f3ff7b0893ca3e25d6d0a706e546e92c5b662aa864affcefe5f9721a6a95f37f40cdacf39d27a23e2b3cd5dbca4d7b8909cd7c186209d4b46db

  • C:\Users\Admin\AppData\Local\Temp\7z6007881C\skin.zip

    Filesize

    509KB

    MD5

    ecb43530caf9566c1b76d5af8d2097f1

    SHA1

    34562ada66cd1501fcb7411a1e1d86729fd7fdc0

    SHA256

    a12381f97aee2d91568f44b23e866ccc99f0ae5e5961f318ed24b72f4f5da80a

    SHA512

    4a243c0bc4dbaf892bee91ea7eff9e6a7732d3aa2df5bebd9a4bea2859a30a8511945ce3bb823f7ef921f2e1a98906fb676fce85f25fd5908646b3a2f5d02563

  • C:\Users\Admin\AppData\Local\Temp\Cab2741.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Cab280E.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar2832.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • \Users\Admin\AppData\Local\Temp\7z6007881C\nemu-downloader.exe

    Filesize

    3.2MB

    MD5

    cdf8047ceae80d9cd9eb798a57bf6084

    SHA1

    8e7971401fada3099aed61849745fda37e1c0d32

    SHA256

    1f01a9abac64fae72e0a253ad9ffe2d62cd2967c1c2bc90fb956ac446fe2b11e

    SHA512

    ac366f38f39b935110192d1355147392ced5a21966cc22386804356dce24b2da7971a6a60d675689f93d74014d961bfb3b0c13cf06809b9f9feef580045e20dc