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Analysis

  • max time kernel
    187s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    04/12/2022, 03:22

General

  • Target

    a1948a43cd5bff965d2d54ffd24f673728719cd97f028c33b776607603f342a5.exe

  • Size

    2.6MB

  • MD5

    f3afc3d7fdb86f8ad5f56b93e993a8f8

  • SHA1

    de7fd67b7e0c91ffbaea59b95a5a5a29911320a6

  • SHA256

    a1948a43cd5bff965d2d54ffd24f673728719cd97f028c33b776607603f342a5

  • SHA512

    a344a02d1d9cbb662d432919d7c5744875eca1c32afbab36d514f47d3ba1a39f9db548f0cb76a62a9082898ee0bd1126f85f45a88d9f8611e38f32f44eaa792d

  • SSDEEP

    24576:xB84vadsL8ec1gda1CXcBzlS69DL2kRdDHiS+HC:7vezwc9tLZ

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 18 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1948a43cd5bff965d2d54ffd24f673728719cd97f028c33b776607603f342a5.exe
    "C:\Users\Admin\AppData\Local\Temp\a1948a43cd5bff965d2d54ffd24f673728719cd97f028c33b776607603f342a5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Users\Admin\AppData\Local\Temp\a1948a43cd5bff965d2d54ffd24f673728719cd97f028c33b776607603f342a5.exe
      "C:\Users\Admin\AppData\Local\Temp\a1948a43cd5bff965d2d54ffd24f673728719cd97f028c33b776607603f342a5.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\ETSGH.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1868
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "javacpl" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\javacpl.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1380
      • C:\Users\Admin\AppData\Roaming\javacpl.exe
        "C:\Users\Admin\AppData\Roaming\javacpl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:564
        • C:\Users\Admin\AppData\Roaming\javacpl.exe
          "C:\Users\Admin\AppData\Roaming\javacpl.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:280
        • C:\Users\Admin\AppData\Roaming\javacpl.exe
          "C:\Users\Admin\AppData\Roaming\javacpl.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1344
          • 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
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1544
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • Modifies registry key
              PID:540
          • 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\javacpl.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\javacpl.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1092
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\javacpl.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\javacpl.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • Modifies registry key
              PID:976
          • 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
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1704
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • Modifies registry key
              PID:1928
          • 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\javacpl.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\javacpl.exe:*:Enabled:Windows Messanger" /f
            5⤵
              PID:684
              • C:\Windows\SysWOW64\reg.exe
                REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\javacpl.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\javacpl.exe:*:Enabled:Windows Messanger" /f
                6⤵
                • Modifies firewall policy service
                • Modifies registry key
                PID:2032

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ETSGH.bat

      Filesize

      136B

      MD5

      43f169f9da64f490033d47db60eec638

      SHA1

      09a6f08a7511818e23563f31e9d1db5eea2b2a0d

      SHA256

      202c960dce433ded37036198c80a305870959706c4a4ac5a1454379a282c2803

      SHA512

      0556ba978cd5ca7e96c3e21410c375e99e1e82183d4384b46af5426c013c64aa190c5020f7154b9f5a5b42fbb30af20c74252a275c77d4596f4201625984ac8a

    • C:\Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • C:\Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • C:\Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • C:\Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • \Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • \Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • \Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • \Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • \Users\Admin\AppData\Roaming\javacpl.exe

      Filesize

      2.6MB

      MD5

      a0fdda17bdd9374bc40194be81ff6bd4

      SHA1

      941d7f5bd905b50bfb4800f0433b22dc47b95a3a

      SHA256

      d1c809096f19e42590fddcfe7b88dec5541fab87117c2a8e4478014847761f21

      SHA512

      62abd8fc4cf33460d388a4623ee09379790833968b08cd77e6bf6579aedb39dff4963deab203246f52b5c65ca12adb5e94b3583413d023867e509c367d096496

    • memory/280-108-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/280-121-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1344-109-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-103-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-123-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-122-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-91-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-90-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-93-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-94-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1344-100-0x0000000000400000-0x000000000047B000-memory.dmp

      Filesize

      492KB

    • memory/1692-101-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-64-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-56-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-63-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-68-0x00000000759C1000-0x00000000759C3000-memory.dmp

      Filesize

      8KB

    • memory/1692-83-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-67-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-60-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-59-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/1692-57-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB