Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-06-2024 11:39

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
6/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Drops file in Program Files directory 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 18 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 3 IoCs
  • Suspicious behavior: LoadsDriver 4 IoCs
  • Suspicious use of WriteProcessMemory 33 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:2320
    • C:\Users\Admin\AppData\Local\Temp\7z60611910\nemu-downloader.exe
      C:\Users\Admin\AppData\Local\Temp\7z60611910\nemu-downloader.exe
      2⤵
      • Drops file in Program Files directory
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2524
      • C:\Users\Admin\AppData\Local\Temp\7z60611910\ColaBoxChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60611910\ColaBoxChecker.exe" checker /baseboard
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2092
      • C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:692
      • C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:1280
      • C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe"
        3⤵
        • Executes dropped EXE
        PID:1556
      • C:\Users\Admin\AppData\Local\Temp\7z60611910\MuMuDownloader.exe
        "C:\Users\Admin\AppData\Local\Temp\7z60611910\MuMuDownloader.exe" --log="C:\Users\Admin\AppData\Local\Temp\nemu-downloader-aria.log" --log-level=notice --check-certificate=false --enable-rpc=true --rpc-listen-port=49500 --continue --max-concurrent-downloads=10 --max-connection-per-server=5 --async-dns=false --file-allocation=prealloc --enable-mmap=true --connect-timeout=5 --rpc-max-request-size=1024M --stop-with-process=2524
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    9250cd7abe486d7bdda410ec029eeb4a

    SHA1

    29cecea3d9033cdf9a53939e1dde44e60b231c23

    SHA256

    cb778006b08e85a1c42067ec738e0b543414160ff51a5402bffea41efe336318

    SHA512

    1d4c34bc73d18563dbf5f621edfa20915ad09f4af449b5961e2827ee5ac88a969ca5deb3f168c9429b21255a815200a64bca22d091bc294347a2bd4a20628176

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

    Filesize

    342B

    MD5

    d8b388c097daf5865852d14f4f7c49e6

    SHA1

    577716b50ab415152bfbaa0dbe930265250acfaa

    SHA256

    558c3f318e1b492da7bcdd651dd1034372093afca695e21ced7c3a4a77b9ae30

    SHA512

    0dd04834ecf29897d1eb24f384f53229349b4e230dcbb976fb94696ba8a80475dcc7703bf37e6c6039067572c91301e8a0a8360e071c10e09e2681a5b9fec90c

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

    Filesize

    342B

    MD5

    ebab3956ce5f1f42500fbb1aabaf36eb

    SHA1

    e76b62681af2f4fcad842c8ea6d69afeb31d7590

    SHA256

    62e29230cffc3d53371459e63ded5d48a97df987bce8657d4b43cdd80d4d617e

    SHA512

    8dbe35ed76d96162a263fefb0fba2c2ab5e78a97b6f45c01f7018ae0bba12701100e4347df37bc3c65c546ca3b2b01071842b573f1ce14fbf7f51717a4bdb18d

  • C:\Users\Admin\AppData\Local\Temp\7z60611910\ColaBoxChecker.exe

    Filesize

    4.0MB

    MD5

    839708e3f96cf055436fa08d6205263c

    SHA1

    a4579f8cb6b80fe3fd50099794f63eb51be3292f

    SHA256

    1373c5d006a5dbcd9b86cfff9a37616f1245d1333c4adcefc7cd18926b98d752

    SHA512

    ece67e031e06a0442d935e7d81d0eed57ae92b348b5d104423577478ce226e4a4bde834c54e31d33bfe6f574fb7798ba96886d9e8edb738edee6e7c9c43054cd

  • C:\Users\Admin\AppData\Local\Temp\7z60611910\HyperVChecker.exe

    Filesize

    117KB

    MD5

    dbd84c6083e4badf4741d95ba3c9b5f8

    SHA1

    4a555adf8e0459bfd1145d9bd8d91b3fff94aad0

    SHA256

    9ff467bc5a1c377102d25da9fa9c24dcc4375f456510f71584f0714fdfb2af39

    SHA512

    fb5fe74f64254609e07d6642acf904562bb905cd7c14c6f85ba31bcdbaf06686c0586609ec4f5d2f8f55ff90334dcbb774a3a6e78df74bf1b1d0cd03dec21870

  • C:\Users\Admin\AppData\Local\Temp\7z60611910\baseboard

    Filesize

    114B

    MD5

    68167ebd370bd98b605c5c5bf8bc7ac8

    SHA1

    83519213a78fea988f758b6bffab76c6ba659371

    SHA256

    2d9e389116e99c41a13b9da778814a6a830aa64bbf65e4e5017a83d7886216fa

    SHA512

    633ac915383fa5c5a2b6b059bbfe8bcb121c5dc640e3c657b3d00cf055de7bc62e3490a14057cffdf13dca10b34d003b46ef41b82a04b639d274769f2fba2699

  • C:\Users\Admin\AppData\Local\Temp\7z60611910\config.ini

    Filesize

    346B

    MD5

    d00fb4c61a255b58ff09886c6c72461b

    SHA1

    4e4f7d7ae36f67a4d6fc8479f8400b3eb769e978

    SHA256

    77dec4d79e1e844a2156f101defc0fc81c138a989e8ba1c722c58feb91b3cd4a

    SHA512

    8494ab9fe0594f3ff7b0893ca3e25d6d0a706e546e92c5b662aa864affcefe5f9721a6a95f37f40cdacf39d27a23e2b3cd5dbca4d7b8909cd7c186209d4b46db

  • C:\Users\Admin\AppData\Local\Temp\7z60611910\skin.zip

    Filesize

    509KB

    MD5

    ecb43530caf9566c1b76d5af8d2097f1

    SHA1

    34562ada66cd1501fcb7411a1e1d86729fd7fdc0

    SHA256

    a12381f97aee2d91568f44b23e866ccc99f0ae5e5961f318ed24b72f4f5da80a

    SHA512

    4a243c0bc4dbaf892bee91ea7eff9e6a7732d3aa2df5bebd9a4bea2859a30a8511945ce3bb823f7ef921f2e1a98906fb676fce85f25fd5908646b3a2f5d02563

  • C:\Users\Admin\AppData\Local\Temp\Cab29A2.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\MuMuNG-setup-V3.8.18.2845-overseas-0417125205.exe.aria2

    Filesize

    215B

    MD5

    b1e28d151caa837f1f93354e3bb264b5

    SHA1

    f8788d681e88163ac0663001cfe02735dd5f6c26

    SHA256

    9a96cd735fc36d7a7969ae4fc39c70246f0e609e43a52cc9858d57455a5d99d4

    SHA512

    88d5bd08571b4002b6c50ed25d7c1b079bce4d35fe290a60edf00212a45a39cea6d86a9fa221cbf5cb9fcdfcd0d8049acba88da7cd15e2c542b088bcd5425d22

  • C:\Users\Admin\AppData\Local\Temp\Tar2A73.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\7z60611910\MuMuDownloader.exe

    Filesize

    5.7MB

    MD5

    2f3d77b4f587f956e9987598b0a218eb

    SHA1

    c067432f3282438b367a10f6b0bc0466319e34e9

    SHA256

    2f980c56d81f42ba47dc871a04406976dc490ded522131ce9a2e35c40ca8616e

    SHA512

    a63afc6d708e3b974f147a2d27d90689d8743acd53d60ad0f81a3ab54dfa851d73bcb869d1e476035abc5e234479812730285c0826a2c3da62f39715e315f221

  • \Users\Admin\AppData\Local\Temp\7z60611910\nemu-downloader.exe

    Filesize

    3.2MB

    MD5

    cdf8047ceae80d9cd9eb798a57bf6084

    SHA1

    8e7971401fada3099aed61849745fda37e1c0d32

    SHA256

    1f01a9abac64fae72e0a253ad9ffe2d62cd2967c1c2bc90fb956ac446fe2b11e

    SHA512

    ac366f38f39b935110192d1355147392ced5a21966cc22386804356dce24b2da7971a6a60d675689f93d74014d961bfb3b0c13cf06809b9f9feef580045e20dc

  • memory/1764-327-0x0000000000AC0000-0x0000000001075000-memory.dmp

    Filesize

    5.7MB