Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2025, 02:42

General

  • Target
    JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe
  • Size 256KB
  • Sample250113-c7ay7asjes
  • SHA256 69d9fa8eeba2fb2671fa7ddee82644367266d506ed6a8dab7e6f6793cfe9a020
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • latentbot

C2
  • dtstudiosadmin.zapto.org

Signatures

  • LatentBot

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

  • Latentbot family
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 15 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Roaming\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe
      C:\Users\Admin\AppData\Roaming\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe
      2⤵
      • Adds policy Run key to start application
      • Executes dropped EXE
      • 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:2948
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2192
        • 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
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3140
      • 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\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4256
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:452
      • 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⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2864
        • 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
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2064
      • 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\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:4176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        license.dll

        • Path C:\Users\Admin\AppData\Local\Temp\license.dll
        • Size 13KB
        • SHA256 58fb10a17191f36961266e5a0153e81219f6c99b464b3998e8e75d636151ae95
        • MD5 SHA1 SHA512 SSDEEP

        JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe

        • Path C:\Users\Admin\AppData\Roaming\JaffaCakes118_1ecb082a9f37bbb974cdfc441fa9afb0.exe
        • Size 16KB
        • SHA256 fd5b11b92cc7f6d7f15fb16ff5b2da2d307e54342b9aa6aacfda714a659f5e98
        • MD5 SHA1 SHA512 SSDEEP

        memory/2948-44-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-27-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-77-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-16-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-22-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-20-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-26-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-51-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-71-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-57-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-32-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-33-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-37-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-54-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2948-47-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/3052-31-0x0000000075410000-0x00000000759C1000-memory.dmp

        memory/3052-0-0x0000000075412000-0x0000000075413000-memory.dmp

        memory/3052-2-0x0000000075410000-0x00000000759C1000-memory.dmp

        memory/3052-30-0x0000000075412000-0x0000000075413000-memory.dmp

        memory/3052-1-0x0000000075410000-0x00000000759C1000-memory.dmp