Analysis

  • max time kernel
    134s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 09:03

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:3028
    • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\nemu-downloader.exe
      C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\nemu-downloader.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2600
      • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\ColaBoxChecker.exe" checker /baseboard
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2332
      • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:1232
      • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:2340
      • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:2112

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\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    230B

    MD5

    4919d59d92d8c18b712ebe3724828d7c

    SHA1

    f441778d8f13dc450c56e44e2a1a9183c4481509

    SHA256

    c3ad41ccb5ad310643720d35fccb8aeef06cbb3082959c01aa0ad6eac2c6abd7

    SHA512

    1546b1f81c9f1620a2fd86e7a54ab559df2ccb80188703138954ece06ed63d43248bdbea2fe3fa04703d9164a13efca1f6e5d1f3d0a9a34de2edcb5187109edb

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

    Filesize

    342B

    MD5

    7d8ab0bb4ab8c28727cbf8ea6b118b5d

    SHA1

    6e668cecdb7c577b8fd2697f5d7e2bb5d4ac6ed8

    SHA256

    01d929cde6f4a761721d6dbd1cff77978758e4f527c88ee636121ddce67d053b

    SHA512

    65d598bcaa94d067599239c382c6dd5de9fa90f9a3c5e67e343dc267e791a41c4423a3ed905d711fb9a855152432cf34041052e09d4a69cec24cbc6354729164

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

    Filesize

    342B

    MD5

    0619f5af08219ccb66bb08a64d201f04

    SHA1

    f868ec9ae8f9d95d3f1c76851910eeea3a5ca247

    SHA256

    f0a81d1586ad69cb9029dd268e8aae35c48ca195292d5cada07bf4ce63733986

    SHA512

    5020a6a2a928863e7ca60d672fd90456c4943a139acc66f39b457aa4e4210189dc81fa728fc954131a0d3eef1fc4d4cf339b04e28ea0ab4b64b4dc5233f98e1b

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

    Filesize

    342B

    MD5

    bb3464bb20be37c35fc2c617f5eb9fde

    SHA1

    50f200a627b21627ddd4b0a596f370f15420c178

    SHA256

    cd947cda2c9b99be4ac56622c84823f79c1b16b7d39dfa0cb6b4e04f65ddc6ef

    SHA512

    642080c2381ee7a6c046d3cd8ee42015fee37014dd554a950c22eb8ea8066c9f96c8a173eeddb1e27b735408c114b042c82bdd8513d06357f9f83464786135b8

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

    Filesize

    342B

    MD5

    1e57af38b31180055898f1488a3d6909

    SHA1

    cf020b8ef23af45e8067a343b8cf8d00f42c620b

    SHA256

    95534bff86ce68ff40dcbcd6677ef37cd334f7b09c7a805fdba2e965d3923e36

    SHA512

    30c051420985232f07f23553eb8eabf5ca70c060aeb526c320a560b239df40bb10f84a9d27a07d2601254ae4d3992704a8e46b48829baf17f9503dc0ed198ec1

  • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\ColaBoxChecker.exe

    Filesize

    4.0MB

    MD5

    839708e3f96cf055436fa08d6205263c

    SHA1

    a4579f8cb6b80fe3fd50099794f63eb51be3292f

    SHA256

    1373c5d006a5dbcd9b86cfff9a37616f1245d1333c4adcefc7cd18926b98d752

    SHA512

    ece67e031e06a0442d935e7d81d0eed57ae92b348b5d104423577478ce226e4a4bde834c54e31d33bfe6f574fb7798ba96886d9e8edb738edee6e7c9c43054cd

  • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\HyperVChecker.exe

    Filesize

    117KB

    MD5

    dbd84c6083e4badf4741d95ba3c9b5f8

    SHA1

    4a555adf8e0459bfd1145d9bd8d91b3fff94aad0

    SHA256

    9ff467bc5a1c377102d25da9fa9c24dcc4375f456510f71584f0714fdfb2af39

    SHA512

    fb5fe74f64254609e07d6642acf904562bb905cd7c14c6f85ba31bcdbaf06686c0586609ec4f5d2f8f55ff90334dcbb774a3a6e78df74bf1b1d0cd03dec21870

  • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\baseboard

    Filesize

    112B

    MD5

    eca3510372ccfdae0cc165fffd060b02

    SHA1

    d10949c114458e1f56962602af8cd3f2811a904c

    SHA256

    fa29923a71264a1ff06295b448d437ffcf13168ef59d10c37f826244028ee047

    SHA512

    90ff88bc92b5eed335776acc4eb05d31ea14e7f9148abb4bd200d93ce4c9742bc9da1ca608cf16bda1dc83fe10e494a71a38667108ae157de7024c387ad0db1f

  • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\config.ini

    Filesize

    346B

    MD5

    d00fb4c61a255b58ff09886c6c72461b

    SHA1

    4e4f7d7ae36f67a4d6fc8479f8400b3eb769e978

    SHA256

    77dec4d79e1e844a2156f101defc0fc81c138a989e8ba1c722c58feb91b3cd4a

    SHA512

    8494ab9fe0594f3ff7b0893ca3e25d6d0a706e546e92c5b662aa864affcefe5f9721a6a95f37f40cdacf39d27a23e2b3cd5dbca4d7b8909cd7c186209d4b46db

  • C:\Users\Admin\AppData\Local\Temp\7z60C83BD4\skin.zip

    Filesize

    509KB

    MD5

    ecb43530caf9566c1b76d5af8d2097f1

    SHA1

    34562ada66cd1501fcb7411a1e1d86729fd7fdc0

    SHA256

    a12381f97aee2d91568f44b23e866ccc99f0ae5e5961f318ed24b72f4f5da80a

    SHA512

    4a243c0bc4dbaf892bee91ea7eff9e6a7732d3aa2df5bebd9a4bea2859a30a8511945ce3bb823f7ef921f2e1a98906fb676fce85f25fd5908646b3a2f5d02563

  • C:\Users\Admin\AppData\Local\Temp\Cab2D68.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar2EA8.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\7z60C83BD4\nemu-downloader.exe

    Filesize

    3.2MB

    MD5

    cdf8047ceae80d9cd9eb798a57bf6084

    SHA1

    8e7971401fada3099aed61849745fda37e1c0d32

    SHA256

    1f01a9abac64fae72e0a253ad9ffe2d62cd2967c1c2bc90fb956ac446fe2b11e

    SHA512

    ac366f38f39b935110192d1355147392ced5a21966cc22386804356dce24b2da7971a6a60d675689f93d74014d961bfb3b0c13cf06809b9f9feef580045e20dc