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Analysis

  • max time kernel
    150s
  • max time network
    186s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    16/04/2022, 05:50

General

  • Target

    MinerFull.exe

  • Size

    4.0MB

  • MD5

    5c7bc4cc56f6e6acb801210bc6eda798

  • SHA1

    541b6f50091fdc17c2bc8d596c0e202b854fb991

  • SHA256

    48f66e13c00038bb2ec12a58bd34cb79f2cf616230c25224c68b81d6c3d7ebf9

  • SHA512

    66558bf8679c264c507a1fb8da2fd81347b339d3786487895f902330d63bf9b44be5a136061b0848801b768fea3e525b934d1b04c2cef959cc878b421c6cbd5d

Malware Config

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • LoaderBot executable 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MinerFull.exe
    "C:\Users\Admin\AppData\Local\Temp\MinerFull.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1152
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 45XQiu9A9vmVd5Cy6X35M12NocUr2Hx69X4ZNNu2BsKJYkdksefg2gXJyvBUeEJyDWTfLD6GWmAu4Tab1w4tycfcFMqy8yH -p x -k -v=0 --donate-level=1 -t 1
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1960 -s 760
        3⤵
        • Program crash
        PID:3600
    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
      "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 45XQiu9A9vmVd5Cy6X35M12NocUr2Hx69X4ZNNu2BsKJYkdksefg2gXJyvBUeEJyDWTfLD6GWmAu4Tab1w4tycfcFMqy8yH -p x -k -v=0 --donate-level=1 -t 1
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
  • C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -pss -s 408 -p 1960 -ip 1960
    1⤵
      PID:4448

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

    • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe

      Filesize

      3.9MB

      MD5

      02569a7a91a71133d4a1023bf32aa6f4

      SHA1

      0f16bcb3f3f085d3d3be912195558e9f9680d574

      SHA256

      8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0

      SHA512

      534be1fe93ee556a14cfd8fad5377f57fb056ab4cd2bca14e4f376f4a25d3d4d270917d68a90b3c40d8a8daaeba6f592fa095ecff478332ba23405d1df728322

    • memory/1152-130-0x0000000000390000-0x0000000000790000-memory.dmp

      Filesize

      4.0MB

    • memory/1152-131-0x00000000053D0000-0x0000000005436000-memory.dmp

      Filesize

      408KB

    • memory/1960-135-0x00000000001D0000-0x00000000001E4000-memory.dmp

      Filesize

      80KB

    • memory/2924-139-0x00000000004D0000-0x00000000004F0000-memory.dmp

      Filesize

      128KB

    • memory/2924-140-0x00000000004F0000-0x0000000000510000-memory.dmp

      Filesize

      128KB