Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    19/09/2022, 10:56

General

  • Target

    50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe

  • Size

    200KB

  • MD5

    598ece767bbfcbb50fab930f73181328

  • SHA1

    03855c129c067f1e6a9c3c988e55dbf2b564654b

  • SHA256

    50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455

  • SHA512

    c740679bc815b796f94f08c878e8b4aaa965a68d5fe8d608c97c420b9c39612b1bd42e596194504f67279e90478a40dbd19ceece699a7b5dc9ecd64c5187bb2b

  • SSDEEP

    3072:+YVOmdfNQBihJt7rR5gq20ZM4CtBRKTTMGCPDb4EPt05nwiYsNkYzMqUMAiNIYqz:+K7BR9s0Z67bRl0ZTDNkYgq31Gz

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 7 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 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe
    "C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe
      C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.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:1724
      • 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:584
        • 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:1232
      • 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:576
        • 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:1684
      • 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\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1704
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\50bc7f06c3b0457a6d5d7429e4d7d9862bad985b03d29f71590d31519a773455.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:856
      • 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\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1780
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • Modifies registry key
          PID:1612

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/1724-57-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-58-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-66-0x0000000075111000-0x0000000075113000-memory.dmp

          Filesize

          8KB

        • memory/1724-55-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-54-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-62-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-61-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-75-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/1724-76-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB