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Analysis

  • max time kernel
    48s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240508-en
  • resource tags

    arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2024, 20:17

Errors

Reason
Machine shutdown

General

  • Target

    Cheat NurSultan.exe

  • Size

    1.3MB

  • MD5

    22b762a6b5b3da61cbf9e1222b8c7bd3

  • SHA1

    e96af3ed20282eec090ba042650c6ed0aee200ef

  • SHA256

    6158c5b45fb9b11f49d6ea84917c3dce8590b8410accb865e346c68f9c619a99

  • SHA512

    68071a50f25693272389995390c0c3d828355402ae52ceabd3cae5f1d2262c0a6f7ece737dbcc44a3fb4093aa7784a71f3bc08d3a409518762b0ca8eb2527aca

  • SSDEEP

    24576:mwxPanDWDAxfy+t4g6cBLi2iYQOlb8T8IU+x:LxPpWTjPJplgTfUw

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 12 IoCs
  • Windows security modification 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cheat NurSultan.exe
    "C:\Users\Admin\AppData\Local\Temp\Cheat NurSultan.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Event Triggered Execution: Image File Execution Options Injection
    • Windows security modification
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4172
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "GoogleUpdateTaskMachineUK" /sc MINUTE /mo 1 /tr "C:\Users\Admin\AppData\Local\Temp\Cheat NurSultan.exe" /rl HIGHEST /f
      2⤵
        PID:5068
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Cheat NurSultan.exe'"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2360
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
        PID:4024

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_q15bb0mr.5tq.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2360-3-0x000001A0AB7C0000-0x000001A0AB7E2000-memory.dmp

        Filesize

        136KB

      • memory/4172-0-0x0000000002410000-0x0000000002411000-memory.dmp

        Filesize

        4KB

      • memory/4172-26-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB

      • memory/4172-45-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB

      • memory/4172-52-0x0000000002410000-0x0000000002411000-memory.dmp

        Filesize

        4KB

      • memory/4172-67-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB

      • memory/4172-86-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB

      • memory/4172-90-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB