Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2024, 07:54

General

  • Target
    9e732444ef2b82c4f8206161c2a803483e13fd006e9588c29c432c421eff454c.exe
  • Size 1.7MB
  • Sample241117-jrn97syrer
  • SHA256 9e732444ef2b82c4f8206161c2a803483e13fd006e9588c29c432c421eff454c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 25 IoCs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 6 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e732444ef2b82c4f8206161c2a803483e13fd006e9588c29c432c421eff454c.exe
    "C:\Users\Admin\AppData\Local\Temp\9e732444ef2b82c4f8206161c2a803483e13fd006e9588c29c432c421eff454c.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VQxqZ.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4528
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Machine" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4520
    • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
      "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2676
        • 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:4892
          • 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:2140
        • 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\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3184
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3040
        • 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:2924
          • 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:4496
        • 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\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1288
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4164

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        VQxqZ.txt

        • Path C:\Users\Admin\AppData\Local\Temp\VQxqZ.txt
        • Size 149B
        • SHA256 2b77cf051bb584aada8b9e5e07cba06e2077b42f009c33d10e31994ceec10384
        • MD5 SHA1 SHA512

        jusched.txt

        • Path C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.txt
        • Size 1.7MB
        • SHA256 d4e5a6351a00ccfb34a4a8d41a39da268a30c5090fd31d937322ea9f8e7ac51f
        • MD5 SHA1 SHA512 SSDEEP

        memory/1572-49-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/1572-29-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/2676-52-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-68-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-37-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-84-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-79-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-77-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-73-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-32-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-70-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-35-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-54-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-56-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-59-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-61-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-63-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/2676-66-0x0000000000400000-0x000000000045C000-memory.dmp

        memory/4164-53-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4164-38-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4164-43-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4164-41-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/4728-0-0x0000000000400000-0x00000000005A9000-memory.dmp

        memory/4728-28-0x0000000000400000-0x00000000005A9000-memory.dmp