Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 18:16

General

  • Target

    AI_HibikiKoto_Voicebank/VOCALO Changer/setup.exe

  • Size

    946KB

  • MD5

    b294762deac4630e6540f0c62b24e04f

  • SHA1

    5789877398d75a814a713fffe777a0904a8de3f1

  • SHA256

    4b2990d79ab4ad4c2cd422dd295b6c43d6a425c2bbe96da8e8dae25974b5d7e1

  • SHA512

    e1c4d706f319888339af8d6e87cfceca4e327f0eb2be2506d2f1ba92a0bc2aecebd9296268356b3e7b89ea3f1262dd59651b52d8371f205fca68fc3dffb9c097

  • SSDEEP

    24576:qaJ1IJhJe2uheJr8eo965XtwcICba0mJRi:FnIo25XDpmJQ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 6 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 27 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\AI_HibikiKoto_Voicebank\VOCALO Changer\setup.exe
    "C:\Users\Admin\AppData\Local\Temp\AI_HibikiKoto_Voicebank\VOCALO Changer\setup.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\setup.exe
      C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\setup.exe -no_selfdeleter -IS_temp -media_path:"C:\Users\Admin\AppData\Local\Temp\AI_HibikiKoto_Voicebank\VOCALO Changer\" -tempdisk1folder:"C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\" -IS_OriginalLauncher:"C:\Users\Admin\AppData\Local\Temp\AI_HibikiKoto_Voicebank\VOCALO Changer\setup.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{271EA47E-151B-4AC8-9C54-8714C4CA4881}
        3⤵
        • Executes dropped EXE
        PID:3540
      • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{56F40497-6795-4BCD-B858-F6EEF6AAF8CE}
        3⤵
        • Executes dropped EXE
        PID:2164
      • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{42779522-3FB8-4731-B65B-4CA0887FA029}
        3⤵
        • Executes dropped EXE
        PID:1248
      • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{63EAACB2-8EA1-4F36-B35A-F70A9A05ED34}
        3⤵
        • Executes dropped EXE
        PID:3144
      • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{591A41CA-1B96-4B85-B579-60C2461E55C9}
        3⤵
        • Executes dropped EXE
        PID:4812
      • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
        C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe {EFB7539B-24F3-46B6-AF6E-3B021B51EFEF}:{49EF96FB-35FC-4576-832D-7C2A0169255C}
        3⤵
        • Executes dropped EXE
        PID:2480
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4760
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4620

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Program Files\Common Files\VOCALO CHANGER\EULA\AI Hibiki Koto for VOCALO CHANGER\LIC8D1E.tmp
    Filesize

    11KB

    MD5

    6f7824ad4cc1dddc6a716f78eba57a9b

    SHA1

    f68929c5d2b5ecf6111acfa804aaae6533df22dd

    SHA256

    a8a3828f40db0ec24e08fd806619fa727a727aa2367a30c9c9982aff4ab41431

    SHA512

    5c6c5ba8ff04fa7b259bae7c19186bb0093eb5e2f14a2564a3daa647e80bbcc6782fb265a47a4f8a1455a3dd86ef2b0fd7c363cdca59c7267eababd5ae5b8071

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\ISBEW64.exe
    Filesize

    181KB

    MD5

    a73f181849d157bfa4c802a54be7bf06

    SHA1

    d87302abad182b74864b0a0bd886a311acbfc024

    SHA256

    037f8de004e6e6bfcbc9b719a6a9198c4397e4561cc0107108e00233f94886d0

    SHA512

    43b03dd2dc743324461dc16a12199eabaa19099626e5a54294ec76549084c05f8ce24f6e22b6e8c7871c5eb4ecf4449e8a4e36f0371f3c4772bc6a7d8fd30975

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\{B212A4A3-8543-4ADF-852E-EDC46938C3CB}\DIFxData.ini
    Filesize

    84B

    MD5

    1eb6253dee328c2063ca12cf657be560

    SHA1

    46e01bcbb287873cf59c57b616189505d2bb1607

    SHA256

    6bc8b890884278599e4c0ca4095cefdf0f5394c5796012d169cc0933e03267a1

    SHA512

    7c573896abc86d899afbce720690454c06dbfafa97b69bc49b8e0ddec5590ce16f3cc1a30408314db7c4206aa95f5c684a6587ea2da033aecc4f70720fc6189e

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\{B212A4A3-8543-4ADF-852E-EDC46938C3CB}\FontData.ini
    Filesize

    37B

    MD5

    8ce28395a49eb4ada962f828eca2f130

    SHA1

    270730e2969b8b03db2a08ba93dfe60cbfb36c5f

    SHA256

    a7e91b042ce33490353c00244c0420c383a837e73e6006837a60d3c174102932

    SHA512

    bb712043cddbe62b5bfdd79796299b0c4de0883a39f79cd006d3b04a1a2bed74b477df985f7a89b653e20cb719b94fa255fdaa0819a8c6180c338c01f39b8382

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\{B212A4A3-8543-4ADF-852E-EDC46938C3CB}\_isres_0x0409.dll
    Filesize

    1.8MB

    MD5

    503e4b3faf3f7cd6f3401c4c63b3d12a

    SHA1

    4bb249f9178b0c7c22824822a9c8635b57ae2e2f

    SHA256

    0296fab05dacd37ec7b5214130063a80efcbe4611e034354f18e44baba91d295

    SHA512

    e953d4486a28e398178abfdef8544024841bada2969b54c82a05c6e3a2f9e2ffe00c6892d940ae7df8aa3489d556733d8aa6ed779f62bb26eb51096338296f1c

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\{B212A4A3-8543-4ADF-852E-EDC46938C3CB}\_isuser_0x0409.dll
    Filesize

    68KB

    MD5

    965686e75ce541e21539e624cbabd4a9

    SHA1

    4b526a70c72ecffec1ffd4afd8574d3562f09180

    SHA256

    27b082cffb87449d93ab8ee85e49ac71e9c19c7e9b0063adabd00cde0b38137a

    SHA512

    7e5285e94186e74e70d4c5abb3653919a9571d8aab8917f69edff6d384df572879328575171d0e181ba737ca5183f5645bba3cfc4d1bf62d227a84e92896287b

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\{B212A4A3-8543-4ADF-852E-EDC46938C3CB}\isrt.dll
    Filesize

    429KB

    MD5

    ac59556efcf722e2c6d494574e90cf1c

    SHA1

    a1fc28ce3078697b7a48d064bc20b26c8e54c9e6

    SHA256

    05e4939fabed71a2fd49d183046fb50506b9f585ff19375032a4dfe1cc29a243

    SHA512

    7b195208780dcbecaf085efc4c5c5ce351e69de448a3c6b4473a7ae70600c9ed59806d3deca787cf75cff6d2277a3b5a4e7f0a170249f2986b6babf1a9076252

  • C:\Users\Admin\AppData\Local\Temp\{A040175E-9C8A-4E96-B399-2DB80D2C6E7A}\{B212A4A3-8543-4ADF-852E-EDC46938C3CB}\setup.inx
    Filesize

    229KB

    MD5

    d1e7442c3d0fe066e4b47cf3874e1ff6

    SHA1

    c4711d32512f1ac51c1b8ced96a7cbab1e1e8bf8

    SHA256

    6e1bec30013420ac93fd61357e5f2728dd96e2ed2d77e3d931952d425539acec

    SHA512

    088618aa18a22d769998307ade8f8da306ba286c9f9b61a61eaa916840e12344003865ee17d69e8c9f2ddb3f24f495da229b15fb3209621d81a64ceba2611119

  • C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\0x0409.ini
    Filesize

    22KB

    MD5

    1196f20ca8bcaa637625e6a061d74c9e

    SHA1

    d0946b58676c9c6e57645dbcffc92c61eca3b274

    SHA256

    cdb316d7f9aa2d854eb28f7a333426a55cc65fa7d31b0bdf8ae108e611583d29

    SHA512

    75e0b3b98ad8269dc8f7048537ad2b458fa8b1dc54cf39df015306abd6701aa8357e08c7d1416d80150ccfd591376ba803249197abdf726e75d50f79d7370ef3

  • C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\ISSetup.dll
    Filesize

    1.6MB

    MD5

    bfbbfbe316b714c5564fb09561e84d60

    SHA1

    f7152b278d83cf305f6dc9e9b1ca80edc114ae3c

    SHA256

    1d2af11f057409ef8dfd452adad53c947121d4a9bade16bd3a3f2b407da10e2a

    SHA512

    1211d2c0b725cd63aea27074b35ba69d43f8287e624d45e10456ce41301a6073c5c36579ce23a0e24ce90bf3dad2707d428cc4dcd2a13d648d7a6c5e02af2313

  • C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\setup.exe
    Filesize

    946KB

    MD5

    b294762deac4630e6540f0c62b24e04f

    SHA1

    5789877398d75a814a713fffe777a0904a8de3f1

    SHA256

    4b2990d79ab4ad4c2cd422dd295b6c43d6a425c2bbe96da8e8dae25974b5d7e1

    SHA512

    e1c4d706f319888339af8d6e87cfceca4e327f0eb2be2506d2f1ba92a0bc2aecebd9296268356b3e7b89ea3f1262dd59651b52d8371f205fca68fc3dffb9c097

  • C:\Users\Admin\AppData\Local\Temp\{AAD9C6C9-D4D8-4013-B18C-7C4A390D298B}\setup.ini
    Filesize

    2KB

    MD5

    f371014fe300343b356b74709c4d01fc

    SHA1

    eec15bcd5703ea135ab6694c0e5e97875a55b06e

    SHA256

    7bc42f6ad8a906f559c459d93c322a70b66db6f11f85836f2e8208be9e33f28c

    SHA512

    f4475c930d5e0f29c1580adc52830d9b53749791d894f84517198aedbc3331035326f3a1a559ac7a032d5ba7dab1f8f5af9442593c1479d0bb50178c3d76d357

  • memory/632-99-0x0000000005670000-0x0000000005837000-memory.dmp
    Filesize

    1.8MB

  • memory/632-121-0x0000000010000000-0x0000000010114000-memory.dmp
    Filesize

    1.1MB

  • memory/632-94-0x0000000003860000-0x0000000003862000-memory.dmp
    Filesize

    8KB

  • memory/632-132-0x0000000010000000-0x0000000010114000-memory.dmp
    Filesize

    1.1MB

  • memory/632-93-0x0000000010000000-0x0000000010114000-memory.dmp
    Filesize

    1.1MB