Analysis

  • max time kernel
    119s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 05:42

General

  • Target
    b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe
  • Size 568KB
  • Sample240919-gd82catemp
  • SHA256 b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • latentbot

C2
  • 1xxxdarkxxx.zapto.org

  • 2xxxdarkxxx.zapto.org

  • 3xxxdarkxxx.zapto.org

  • 4xxxdarkxxx.zapto.org

  • 5xxxdarkxxx.zapto.org

  • 6xxxdarkxxx.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe
    "C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe
      "C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe"
      2⤵
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1116
      • C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe
        "C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe"
        3⤵
        • Adds policy Run key to start application
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2136
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4268
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3904
        • 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\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2172
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b14e71d5bcad365216db8480e29b7b8dc8182c07e72a287fa470e08de0d9c20eN.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4580
        • 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
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3516
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2396
        • 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\updatebshades.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updatebshades.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1904
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\updatebshades.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updatebshades.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1216

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/1116-16-0x0000000000400000-0x0000000000475000-memory.dmp

        memory/1116-3-0x0000000000400000-0x0000000000475000-memory.dmp

        memory/1116-5-0x0000000000400000-0x0000000000475000-memory.dmp

        memory/2136-23-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-27-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-8-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-18-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-20-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-41-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-25-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-10-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-30-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-32-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-34-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-37-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/2136-39-0x0000000000400000-0x0000000000470000-memory.dmp

        memory/4988-0-0x0000000000400000-0x000000000048E000-memory.dmp