Analysis

  • max time kernel
    151s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 18:42

General

  • Target

    5407dbb9181ebcadac5ee9c8221b74af0381d2913c997e654523971eaf8de376.exe

  • Size

    45KB

  • MD5

    45a70b0a189b7fd233ffcf8c6d660431

  • SHA1

    e52089d3c4b945048faea1fe72a10cb06c3150df

  • SHA256

    5407dbb9181ebcadac5ee9c8221b74af0381d2913c997e654523971eaf8de376

  • SHA512

    337a37ab912bf1392ae12f4eb977355aed341448b9b7df36cd09e9555d084487c5d29b22ad1c993e386719d0f7b92effdb25aee5dc7270341df3ae9a279ae11f

  • SSDEEP

    768:E1AuwHyeFo6NPIFAoslbf8eRYLGXdoIFbb5omuKWcbsvwnoT9D88888888888JXH:EOxyeFo6NPCAosxYyXdF5oy3VoKH

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Executes dropped EXE 12 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 29 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 22 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5407dbb9181ebcadac5ee9c8221b74af0381d2913c997e654523971eaf8de376.exe
    "C:\Users\Admin\AppData\Local\Temp\5407dbb9181ebcadac5ee9c8221b74af0381d2913c997e654523971eaf8de376.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\recycled\SVCHOST.EXE
      C:\recycled\SVCHOST.EXE :agent
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\recycled\SVCHOST.EXE
        C:\recycled\SVCHOST.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3792
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        3⤵
        • Modifies WinLogon for persistence
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Enumerates connected drives
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2392
        • C:\recycled\SVCHOST.EXE
          C:\recycled\SVCHOST.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2524
        • C:\recycled\SPOOLSV.EXE
          C:\recycled\SPOOLSV.EXE :agent
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4400
        • C:\recycled\CTFMON.EXE
          C:\recycled\CTFMON.EXE :agent
          4⤵
          • Modifies WinLogon for persistence
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Enumerates connected drives
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3540
          • C:\recycled\SVCHOST.EXE
            C:\recycled\SVCHOST.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3996
          • C:\recycled\SPOOLSV.EXE
            C:\recycled\SPOOLSV.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4160
          • C:\recycled\CTFMON.EXE
            C:\recycled\CTFMON.EXE :agent
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2860
      • C:\recycled\CTFMON.EXE
        C:\recycled\CTFMON.EXE :agent
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5048
      • C:\Windows\SysWOW64\userinit.exe
        C:\Windows\system32\userinit.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:372
        • C:\Windows\SysWOW64\Explorer.exe
          Explorer.exe "C:\recycled\SVCHOST.exe"
          4⤵
            PID:1260
      • C:\recycled\SPOOLSV.EXE
        C:\recycled\SPOOLSV.EXE :agent
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3388
      • C:\recycled\CTFMON.EXE
        C:\recycled\CTFMON.EXE :agent
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:920
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5407dbb9181ebcadac5ee9c8221b74af0381d2913c997e654523971eaf8de376.doc" /o ""
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:4176
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
        PID:540

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Recycled\CTFMON.EXE

        Filesize

        45KB

        MD5

        ec50ac3228e078ad2bdfaf08fad058f6

        SHA1

        7a9035d7c774f78b6006dd17dbf8b0f8123769d9

        SHA256

        60b4b0dea918e1b34fe85f28fb8aba042afd47a60735e8d3e41c8c30047e1003

        SHA512

        38071127356f689e33b915234a335e51283f860a92a3c9109c6b73f1102f746c83ffa4f22b7938d816b9d9628f5ac3231d4e90a93f65e222f23f64d64e4004b5

      • C:\Recycled\CTFMON.EXE

        Filesize

        45KB

        MD5

        ec50ac3228e078ad2bdfaf08fad058f6

        SHA1

        7a9035d7c774f78b6006dd17dbf8b0f8123769d9

        SHA256

        60b4b0dea918e1b34fe85f28fb8aba042afd47a60735e8d3e41c8c30047e1003

        SHA512

        38071127356f689e33b915234a335e51283f860a92a3c9109c6b73f1102f746c83ffa4f22b7938d816b9d9628f5ac3231d4e90a93f65e222f23f64d64e4004b5

      • C:\Recycled\CTFMON.EXE

        Filesize

        45KB

        MD5

        ec50ac3228e078ad2bdfaf08fad058f6

        SHA1

        7a9035d7c774f78b6006dd17dbf8b0f8123769d9

        SHA256

        60b4b0dea918e1b34fe85f28fb8aba042afd47a60735e8d3e41c8c30047e1003

        SHA512

        38071127356f689e33b915234a335e51283f860a92a3c9109c6b73f1102f746c83ffa4f22b7938d816b9d9628f5ac3231d4e90a93f65e222f23f64d64e4004b5

      • C:\Recycled\CTFMON.EXE

        Filesize

        45KB

        MD5

        ec50ac3228e078ad2bdfaf08fad058f6

        SHA1

        7a9035d7c774f78b6006dd17dbf8b0f8123769d9

        SHA256

        60b4b0dea918e1b34fe85f28fb8aba042afd47a60735e8d3e41c8c30047e1003

        SHA512

        38071127356f689e33b915234a335e51283f860a92a3c9109c6b73f1102f746c83ffa4f22b7938d816b9d9628f5ac3231d4e90a93f65e222f23f64d64e4004b5

      • C:\Recycled\SPOOLSV.EXE

        Filesize

        45KB

        MD5

        deb6c5bbf55845566e3b66508dad7896

        SHA1

        99397f4f9a405e5aa62226a9b4cce9b80618bb3c

        SHA256

        6dfb01c33ba553d791861cb23560c8723b1e30e0c9dba4ae979c45a9a29f6ee2

        SHA512

        667efe4476eeece3ae2e8afb070908be27efb50ee3c546c54850558f0f0e04e97f47d8a0c30b956cf7ecbe684a57a76397fb68b11d8b62c563919181ff5be561

      • C:\Recycled\SPOOLSV.EXE

        Filesize

        45KB

        MD5

        deb6c5bbf55845566e3b66508dad7896

        SHA1

        99397f4f9a405e5aa62226a9b4cce9b80618bb3c

        SHA256

        6dfb01c33ba553d791861cb23560c8723b1e30e0c9dba4ae979c45a9a29f6ee2

        SHA512

        667efe4476eeece3ae2e8afb070908be27efb50ee3c546c54850558f0f0e04e97f47d8a0c30b956cf7ecbe684a57a76397fb68b11d8b62c563919181ff5be561

      • C:\Recycled\SPOOLSV.EXE

        Filesize

        45KB

        MD5

        deb6c5bbf55845566e3b66508dad7896

        SHA1

        99397f4f9a405e5aa62226a9b4cce9b80618bb3c

        SHA256

        6dfb01c33ba553d791861cb23560c8723b1e30e0c9dba4ae979c45a9a29f6ee2

        SHA512

        667efe4476eeece3ae2e8afb070908be27efb50ee3c546c54850558f0f0e04e97f47d8a0c30b956cf7ecbe684a57a76397fb68b11d8b62c563919181ff5be561

      • C:\Recycled\SPOOLSV.EXE

        Filesize

        45KB

        MD5

        deb6c5bbf55845566e3b66508dad7896

        SHA1

        99397f4f9a405e5aa62226a9b4cce9b80618bb3c

        SHA256

        6dfb01c33ba553d791861cb23560c8723b1e30e0c9dba4ae979c45a9a29f6ee2

        SHA512

        667efe4476eeece3ae2e8afb070908be27efb50ee3c546c54850558f0f0e04e97f47d8a0c30b956cf7ecbe684a57a76397fb68b11d8b62c563919181ff5be561

      • C:\Recycled\SVCHOST.EXE

        Filesize

        45KB

        MD5

        63ce81d618145528bf1072fbd6174b4a

        SHA1

        fba47c1347c9b6c90bfb5701ddd9aca925aea865

        SHA256

        4f7d791eb57c19a1f84a6cd103dd26ca61a3620d683a5e0137001b908c0602b0

        SHA512

        e8a69b6badd12ed138e91ec373efd502c2c747a389c17dd7b809b2d0bb34c317562c322dedfadd76a987bfec3151cc97fabea288ecea26e0d2d3d4f31c04964f

      • C:\Recycled\SVCHOST.EXE

        Filesize

        45KB

        MD5

        63ce81d618145528bf1072fbd6174b4a

        SHA1

        fba47c1347c9b6c90bfb5701ddd9aca925aea865

        SHA256

        4f7d791eb57c19a1f84a6cd103dd26ca61a3620d683a5e0137001b908c0602b0

        SHA512

        e8a69b6badd12ed138e91ec373efd502c2c747a389c17dd7b809b2d0bb34c317562c322dedfadd76a987bfec3151cc97fabea288ecea26e0d2d3d4f31c04964f

      • C:\Recycled\SVCHOST.EXE

        Filesize

        45KB

        MD5

        63ce81d618145528bf1072fbd6174b4a

        SHA1

        fba47c1347c9b6c90bfb5701ddd9aca925aea865

        SHA256

        4f7d791eb57c19a1f84a6cd103dd26ca61a3620d683a5e0137001b908c0602b0

        SHA512

        e8a69b6badd12ed138e91ec373efd502c2c747a389c17dd7b809b2d0bb34c317562c322dedfadd76a987bfec3151cc97fabea288ecea26e0d2d3d4f31c04964f

      • C:\Recycled\SVCHOST.EXE

        Filesize

        45KB

        MD5

        63ce81d618145528bf1072fbd6174b4a

        SHA1

        fba47c1347c9b6c90bfb5701ddd9aca925aea865

        SHA256

        4f7d791eb57c19a1f84a6cd103dd26ca61a3620d683a5e0137001b908c0602b0

        SHA512

        e8a69b6badd12ed138e91ec373efd502c2c747a389c17dd7b809b2d0bb34c317562c322dedfadd76a987bfec3151cc97fabea288ecea26e0d2d3d4f31c04964f

      • C:\Recycled\desktop.ini

        Filesize

        65B

        MD5

        ad0b0b4416f06af436328a3c12dc491b

        SHA1

        743c7ad130780de78ccbf75aa6f84298720ad3fa

        SHA256

        23521de51ca1db2bc7b18e41de7693542235284667bf85f6c31902547a947416

        SHA512

        884cd0cae3b31a594f387dae94fc1e0aacb4fd833f8a3368bdec7de0f9f3dc44337c7318895d9549aad579f95de71ff45e1618e75065a04c7894ad1d0d0eac56

      • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

        Filesize

        1KB

        MD5

        0269b6347e473980c5378044ac67aa1f

        SHA1

        c3334de50e320ad8bce8398acff95c363d039245

        SHA256

        68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

        SHA512

        e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

      • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

        Filesize

        1KB

        MD5

        0269b6347e473980c5378044ac67aa1f

        SHA1

        c3334de50e320ad8bce8398acff95c363d039245

        SHA256

        68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

        SHA512

        e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

      • C:\Users\Admin\AppData\Local\Temp\Flu Burung.txt

        Filesize

        1KB

        MD5

        0269b6347e473980c5378044ac67aa1f

        SHA1

        c3334de50e320ad8bce8398acff95c363d039245

        SHA256

        68f5bd85c17975419bb4eacf615286d749bcb951e487813361837580b39ffee2

        SHA512

        e5c525fe688ecd3926ae634a61dc48c4837d7e56aae00b22e4f7d824df804cb536f6df077d5f6c67f63f73832ba00249ed3a75ed40ec9db6e026041b28404d7b

      • C:\recycled\CTFMON.EXE

        Filesize

        45KB

        MD5

        ec50ac3228e078ad2bdfaf08fad058f6

        SHA1

        7a9035d7c774f78b6006dd17dbf8b0f8123769d9

        SHA256

        60b4b0dea918e1b34fe85f28fb8aba042afd47a60735e8d3e41c8c30047e1003

        SHA512

        38071127356f689e33b915234a335e51283f860a92a3c9109c6b73f1102f746c83ffa4f22b7938d816b9d9628f5ac3231d4e90a93f65e222f23f64d64e4004b5

      • C:\recycled\SPOOLSV.EXE

        Filesize

        45KB

        MD5

        deb6c5bbf55845566e3b66508dad7896

        SHA1

        99397f4f9a405e5aa62226a9b4cce9b80618bb3c

        SHA256

        6dfb01c33ba553d791861cb23560c8723b1e30e0c9dba4ae979c45a9a29f6ee2

        SHA512

        667efe4476eeece3ae2e8afb070908be27efb50ee3c546c54850558f0f0e04e97f47d8a0c30b956cf7ecbe684a57a76397fb68b11d8b62c563919181ff5be561

      • C:\recycled\SVCHOST.EXE

        Filesize

        45KB

        MD5

        63ce81d618145528bf1072fbd6174b4a

        SHA1

        fba47c1347c9b6c90bfb5701ddd9aca925aea865

        SHA256

        4f7d791eb57c19a1f84a6cd103dd26ca61a3620d683a5e0137001b908c0602b0

        SHA512

        e8a69b6badd12ed138e91ec373efd502c2c747a389c17dd7b809b2d0bb34c317562c322dedfadd76a987bfec3151cc97fabea288ecea26e0d2d3d4f31c04964f

      • memory/372-202-0x0000000000000000-mapping.dmp

      • memory/920-191-0x0000000000000000-mapping.dmp

      • memory/920-204-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/1260-203-0x0000000000000000-mapping.dmp

      • memory/1408-216-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/1408-151-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/1408-135-0x0000000000000000-mapping.dmp

      • memory/2392-145-0x0000000000000000-mapping.dmp

      • memory/2392-217-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2392-152-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2524-154-0x0000000000000000-mapping.dmp

      • memory/2524-160-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2860-205-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/2860-192-0x0000000000000000-mapping.dmp

      • memory/3388-176-0x0000000000000000-mapping.dmp

      • memory/3388-178-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3388-196-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3540-163-0x0000000000000000-mapping.dmp

      • memory/3540-218-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3540-174-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3792-141-0x0000000000000000-mapping.dmp

      • memory/3792-146-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3996-175-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/3996-170-0x0000000000000000-mapping.dmp

      • memory/3996-190-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4160-193-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4160-182-0x0000000000000000-mapping.dmp

      • memory/4176-209-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

        Filesize

        64KB

      • memory/4176-214-0x00007FF82C530000-0x00007FF82C540000-memory.dmp

        Filesize

        64KB

      • memory/4176-215-0x00007FF82C530000-0x00007FF82C540000-memory.dmp

        Filesize

        64KB

      • memory/4176-207-0x0000000000000000-mapping.dmp

      • memory/4176-213-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

        Filesize

        64KB

      • memory/4176-212-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

        Filesize

        64KB

      • memory/4176-211-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

        Filesize

        64KB

      • memory/4176-210-0x00007FF82E9F0000-0x00007FF82EA00000-memory.dmp

        Filesize

        64KB

      • memory/4376-208-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4376-132-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4400-165-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/4400-158-0x0000000000000000-mapping.dmp

      • memory/5048-197-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/5048-181-0x0000000000400000-0x000000000041A000-memory.dmp

        Filesize

        104KB

      • memory/5048-179-0x0000000000000000-mapping.dmp