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Analysis

  • max time kernel
    29s
  • max time network
    20s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01/07/2024, 20:17

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 25 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:3936
    • 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:3748
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2264
    • C:\Users\Admin\AppData\Local\Temp\Cheat NurSultan.exe
      "C:\Users\Admin\AppData\Local\Temp\Cheat NurSultan.exe" explorer.exe
      1⤵
        PID:340

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0atat05d.kua.ps1

        Filesize

        1B

        MD5

        c4ca4238a0b923820dcc509a6f75849b

        SHA1

        356a192b7913b04c54574d18c28d46e6395428ab

        SHA256

        6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

        SHA512

        4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

      • memory/340-62-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB

      • memory/2264-11-0x00007FFFEE740000-0x00007FFFEF12C000-memory.dmp

        Filesize

        9.9MB

      • memory/2264-9-0x00007FFFEE740000-0x00007FFFEF12C000-memory.dmp

        Filesize

        9.9MB

      • memory/2264-10-0x000001F5254A0000-0x000001F525516000-memory.dmp

        Filesize

        472KB

      • memory/2264-6-0x000001F525370000-0x000001F525392000-memory.dmp

        Filesize

        136KB

      • memory/2264-46-0x00007FFFEE740000-0x00007FFFEF12C000-memory.dmp

        Filesize

        9.9MB

      • memory/2264-49-0x00007FFFEE740000-0x00007FFFEF12C000-memory.dmp

        Filesize

        9.9MB

      • memory/2264-53-0x00007FFFEE740000-0x00007FFFEF12C000-memory.dmp

        Filesize

        9.9MB

      • memory/2264-4-0x00007FFFEE743000-0x00007FFFEE744000-memory.dmp

        Filesize

        4KB

      • memory/3936-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

        Filesize

        4KB

      • memory/3936-75-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB

      • memory/3936-84-0x00000000005F0000-0x00000000005F1000-memory.dmp

        Filesize

        4KB

      • memory/3936-88-0x0000000000400000-0x000000000059A000-memory.dmp

        Filesize

        1.6MB