Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2022, 01:43

General

  • Target

    2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe

  • Size

    219KB

  • MD5

    4b2896df59ebafd1a0c779c126eb1440

  • SHA1

    ace957fd3c43b874b2d0b4185dbd3767b9de1914

  • SHA256

    2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac

  • SHA512

    72b76d92795c0e7001d0ad18c7dc145f4e57b3911ee6978ba56c02d9fae8b99d0e2e2aa330202d70e8c82dfdb55c88dd2d85123323121e4ea1a0d2f483e50f76

  • SSDEEP

    6144:YJzzp7LC8It3bIbjDAOXX+suMBvcNMyLcj:sXIt3EbZX+smNvcj

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe
    "C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe
      C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1260
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:580
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1632
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:768
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\2427fd62a4257fe61bf3006863f8c93571642b1a5648175a238a26ca0a4435ac.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:764
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bsserver25 nov.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bsserver25 nov.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1408
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bsserver25 nov.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bsserver25 nov.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:460

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2032-66-0x0000000076681000-0x0000000076683000-memory.dmp

    Filesize

    8KB

  • memory/2032-56-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2032-65-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2032-64-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2032-60-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2032-59-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2032-75-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB