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Analysis

  • max time kernel
    184s
  • max time network
    194s
  • platform
    windows10-1703_x64
  • resource
    win10-20230915-en
  • resource tags

    arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13/10/2023, 02:46

General

  • Target

    BypassLoader.exe

  • Size

    803KB

  • MD5

    7a55ed8e73f430327a2c8b189d837cd5

  • SHA1

    ddbd958dc03cc94b4d7f035edc10826b8959c965

  • SHA256

    31045e8b843ce541daf06fd133180f8ff675b3f9b729a11c85c3137fab188256

  • SHA512

    ee8a6d6d6a284af233559b604d26be71b5079aa4c6619a2733fef8f3d60be3a9f09a617d1ec82094a23e9ba9aed0a81ea3ce25daab3ec49d10e57da0ca3aa316

  • SSDEEP

    12288:QBCb1unQrlLM3z7PBWmEUWXS+CO0G03NquQENps9US+F:QIRhLM3QOwS+OG8YzENpf

Score
10/10

Malware Config

Signatures

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 12 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BypassLoader.exe
    "C:\Users\Admin\AppData\Local\Temp\BypassLoader.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe
      "C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe"
      2⤵
      • Executes dropped EXE
      PID:3920
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 844
        3⤵
        • Program crash
        PID:2428
    • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe
      "C:\Users\Admin\AppData\Local\Temp\PureMiner.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe -o 185.225.74.15:8383 -u 48Q5r42DnshBCULPq73bNXLwdJ2jng8QdDq6TZba79TGXL6Z4UNe61A2HUxqnNpUqn1JBZpm1Vv4XNxL28RBQUeR2RwVAGu.RIG_CPU_XMR -p x --algo rx/0 --cpu-max-threads-hint=50
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:3944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe

    Filesize

    628KB

    MD5

    aab1dbe96f79d68a24833179fcb0aeed

    SHA1

    3a13dd38b46a94eb40972a07eb3864c4a207d299

    SHA256

    8cef12cc709544a09e84fda051fa24480b093cb33dc8f8306807391d0c3b6091

    SHA512

    e6a49984e9871a85c9307a1b4581e09bf0d1fe4cce6968746f17c61bfb8847dd4432b92a4b2588d38e2355ab95f7704a375e11e692984a310d080970f15e0202

  • C:\Users\Admin\AppData\Local\Temp\PureMiner.exe

    Filesize

    628KB

    MD5

    aab1dbe96f79d68a24833179fcb0aeed

    SHA1

    3a13dd38b46a94eb40972a07eb3864c4a207d299

    SHA256

    8cef12cc709544a09e84fda051fa24480b093cb33dc8f8306807391d0c3b6091

    SHA512

    e6a49984e9871a85c9307a1b4581e09bf0d1fe4cce6968746f17c61bfb8847dd4432b92a4b2588d38e2355ab95f7704a375e11e692984a310d080970f15e0202

  • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe

    Filesize

    101KB

    MD5

    39d81ca537ceb52632fbb2e975c3ee2f

    SHA1

    0a3814bd3ccea28b144983daab277d72313524e4

    SHA256

    76c4d61afdebf279316b40e1ca3c56996b16d760aa080d3121d6982f0e61d8e7

    SHA512

    18f7acf9e7b992e95f06ab1c96f017a6e7acde36c1e7c1ff254853a1bfcde65abcdaa797b36071b9349e83aa2c0a45c6dfb2d637c153b53c66fc92066f6d4f9a

  • C:\Users\Admin\AppData\Local\Temp\XWormLoader.exe

    Filesize

    101KB

    MD5

    39d81ca537ceb52632fbb2e975c3ee2f

    SHA1

    0a3814bd3ccea28b144983daab277d72313524e4

    SHA256

    76c4d61afdebf279316b40e1ca3c56996b16d760aa080d3121d6982f0e61d8e7

    SHA512

    18f7acf9e7b992e95f06ab1c96f017a6e7acde36c1e7c1ff254853a1bfcde65abcdaa797b36071b9349e83aa2c0a45c6dfb2d637c153b53c66fc92066f6d4f9a

  • memory/2716-14-0x00007FFC1D6F0000-0x00007FFC1E0DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2716-2-0x000000001BB00000-0x000000001BB10000-memory.dmp

    Filesize

    64KB

  • memory/2716-1-0x00007FFC1D6F0000-0x00007FFC1E0DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2716-0-0x0000000000E80000-0x0000000000F50000-memory.dmp

    Filesize

    832KB

  • memory/2860-16-0x0000022CEB6A0000-0x0000022CEB7A0000-memory.dmp

    Filesize

    1024KB

  • memory/2860-17-0x0000022CEB7B0000-0x0000022CEB7C0000-memory.dmp

    Filesize

    64KB

  • memory/2860-27-0x0000022CEB7B0000-0x0000022CEB7C0000-memory.dmp

    Filesize

    64KB

  • memory/2860-15-0x00007FFC1D6F0000-0x00007FFC1E0DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2860-29-0x0000022CEB7B0000-0x0000022CEB7C0000-memory.dmp

    Filesize

    64KB

  • memory/2860-28-0x0000022CEB7B0000-0x0000022CEB7C0000-memory.dmp

    Filesize

    64KB

  • memory/2860-21-0x0000022CD1590000-0x0000022CD15E6000-memory.dmp

    Filesize

    344KB

  • memory/2860-22-0x0000022CD15F0000-0x0000022CD163C000-memory.dmp

    Filesize

    304KB

  • memory/2860-23-0x00007FFC1D6F0000-0x00007FFC1E0DC000-memory.dmp

    Filesize

    9.9MB

  • memory/2860-24-0x0000022CEB7B0000-0x0000022CEB7C0000-memory.dmp

    Filesize

    64KB

  • memory/2860-13-0x0000022CD10D0000-0x0000022CD1172000-memory.dmp

    Filesize

    648KB

  • memory/2860-26-0x0000022CEB7B0000-0x0000022CEB7C0000-memory.dmp

    Filesize

    64KB

  • memory/3920-25-0x0000000073BE0000-0x00000000742CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3920-20-0x0000000000F40000-0x0000000000F5E000-memory.dmp

    Filesize

    120KB

  • memory/3920-19-0x0000000073BE0000-0x00000000742CE000-memory.dmp

    Filesize

    6.9MB

  • memory/3944-30-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-31-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-32-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-33-0x00000197DB8F0000-0x00000197DB910000-memory.dmp

    Filesize

    128KB

  • memory/3944-34-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-35-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-36-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-37-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-38-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-39-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-40-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-41-0x000001986DAB0000-0x000001986DAF0000-memory.dmp

    Filesize

    256KB

  • memory/3944-42-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-43-0x0000000140000000-0x00000001407CF000-memory.dmp

    Filesize

    7.8MB

  • memory/3944-44-0x00000197DB940000-0x00000197DB960000-memory.dmp

    Filesize

    128KB

  • memory/3944-45-0x00000197DB940000-0x00000197DB960000-memory.dmp

    Filesize

    128KB