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Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2023, 18:16

General

  • Target

    NEAS.2f730c0c652382fb02c9619865971510.exe

  • Size

    741KB

  • MD5

    2f730c0c652382fb02c9619865971510

  • SHA1

    8ec21234062163c9765d6aab75b8243597a1aa02

  • SHA256

    b40efaeb4eacd8259e6e0c447e0f18a7882a7c46e8039e986b074704ca175fa3

  • SHA512

    33f915a77b264d785c5edde324c6bf0442653e892984fbe742042a0a82db20802402e3c7817c2e39b55dd24aa220539fc5d249e5ceaca622b135d36ba597c01b

  • SSDEEP

    12288:ltTuhrf45I8jWtJ8OgL27rd69bk5NCgGhSFB79gYhLIf6EQ9EYcw1Fp:lIt4kt0Kd6F6CNzYhUiEWEYcwh

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 19 IoCs
  • Drops file in Windows directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 15 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.2f730c0c652382fb02c9619865971510.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.2f730c0c652382fb02c9619865971510.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2560
    • \??\c:\windows\resources\themes\explorer.exe
      c:\windows\resources\themes\explorer.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2572
      • \??\c:\windows\resources\spoolsv.exe
        c:\windows\resources\spoolsv.exe SE
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2716
        • \??\c:\windows\resources\svchost.exe
          c:\windows\resources\svchost.exe
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2752
          • \??\c:\windows\resources\spoolsv.exe
            c:\windows\resources\spoolsv.exe PR
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:2596
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:55 /f
            5⤵
            • Creates scheduled task(s)
            PID:2600
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:56 /f
            5⤵
            • Creates scheduled task(s)
            PID:1084
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 18:57 /f
            5⤵
            • Creates scheduled task(s)
            PID:268
      • C:\Windows\Explorer.exe
        C:\Windows\Explorer.exe
        3⤵
          PID:2496

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\Resources\Themes\explorer.exe

      Filesize

      742KB

      MD5

      0ddb02d76be36069da6ff95b772f2167

      SHA1

      5497e83209ff9a5aeef5a4879c3b05aebcb0a2ff

      SHA256

      430c46b39006a511c7bc65a4f33de8e892899f056e122609eda59eba7a9b0683

      SHA512

      709aed8f035086db1481ff559123af93896893d1c3b493c779ca43d333f2b247899f29544a97e9931d3321cdf68b6320a3f02b05e0fa08b98935bdc1cd786651

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      741KB

      MD5

      25eeb18b71d63ba040717a1a2c5e9826

      SHA1

      7435187bc5efd9eca48631691369f6dad7a2ec14

      SHA256

      335a20628cd3c55506c500f090b04bfc91c9f0fb4046c56f5d57798f9e3c5ac9

      SHA512

      ac45a3d07408806ca9b9f0a0e24496428c226d6af75c316510a600b6ce306d6f53983ce940517f433c2193861e50215b099d483425b40fab3ddfd25c23778e3d

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      741KB

      MD5

      25eeb18b71d63ba040717a1a2c5e9826

      SHA1

      7435187bc5efd9eca48631691369f6dad7a2ec14

      SHA256

      335a20628cd3c55506c500f090b04bfc91c9f0fb4046c56f5d57798f9e3c5ac9

      SHA512

      ac45a3d07408806ca9b9f0a0e24496428c226d6af75c316510a600b6ce306d6f53983ce940517f433c2193861e50215b099d483425b40fab3ddfd25c23778e3d

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      741KB

      MD5

      25eeb18b71d63ba040717a1a2c5e9826

      SHA1

      7435187bc5efd9eca48631691369f6dad7a2ec14

      SHA256

      335a20628cd3c55506c500f090b04bfc91c9f0fb4046c56f5d57798f9e3c5ac9

      SHA512

      ac45a3d07408806ca9b9f0a0e24496428c226d6af75c316510a600b6ce306d6f53983ce940517f433c2193861e50215b099d483425b40fab3ddfd25c23778e3d

    • C:\Windows\Resources\svchost.exe

      Filesize

      741KB

      MD5

      3808479656b95e2897ef5759daf5de63

      SHA1

      55f71e00d9a1908c1bfd7f40faae1283ef570076

      SHA256

      65991a8016b2ee0473c80dc9a4c9705035bb144a770eae5238b6582e3648b9fb

      SHA512

      8186ee8d711cf8fc064defb9a346adbcc90073e598191cd8badb9c71ba53f45394aa6ebb73e0e3c5d392a9379037b200de6a84fc1f8d4a7650e2b3586976db2f

    • \??\c:\windows\resources\spoolsv.exe

      Filesize

      741KB

      MD5

      25eeb18b71d63ba040717a1a2c5e9826

      SHA1

      7435187bc5efd9eca48631691369f6dad7a2ec14

      SHA256

      335a20628cd3c55506c500f090b04bfc91c9f0fb4046c56f5d57798f9e3c5ac9

      SHA512

      ac45a3d07408806ca9b9f0a0e24496428c226d6af75c316510a600b6ce306d6f53983ce940517f433c2193861e50215b099d483425b40fab3ddfd25c23778e3d

    • \??\c:\windows\resources\svchost.exe

      Filesize

      741KB

      MD5

      3808479656b95e2897ef5759daf5de63

      SHA1

      55f71e00d9a1908c1bfd7f40faae1283ef570076

      SHA256

      65991a8016b2ee0473c80dc9a4c9705035bb144a770eae5238b6582e3648b9fb

      SHA512

      8186ee8d711cf8fc064defb9a346adbcc90073e598191cd8badb9c71ba53f45394aa6ebb73e0e3c5d392a9379037b200de6a84fc1f8d4a7650e2b3586976db2f

    • \??\c:\windows\resources\themes\explorer.exe

      Filesize

      742KB

      MD5

      0ddb02d76be36069da6ff95b772f2167

      SHA1

      5497e83209ff9a5aeef5a4879c3b05aebcb0a2ff

      SHA256

      430c46b39006a511c7bc65a4f33de8e892899f056e122609eda59eba7a9b0683

      SHA512

      709aed8f035086db1481ff559123af93896893d1c3b493c779ca43d333f2b247899f29544a97e9931d3321cdf68b6320a3f02b05e0fa08b98935bdc1cd786651

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      742KB

      MD5

      0ddb02d76be36069da6ff95b772f2167

      SHA1

      5497e83209ff9a5aeef5a4879c3b05aebcb0a2ff

      SHA256

      430c46b39006a511c7bc65a4f33de8e892899f056e122609eda59eba7a9b0683

      SHA512

      709aed8f035086db1481ff559123af93896893d1c3b493c779ca43d333f2b247899f29544a97e9931d3321cdf68b6320a3f02b05e0fa08b98935bdc1cd786651

    • \Windows\Resources\spoolsv.exe

      Filesize

      741KB

      MD5

      25eeb18b71d63ba040717a1a2c5e9826

      SHA1

      7435187bc5efd9eca48631691369f6dad7a2ec14

      SHA256

      335a20628cd3c55506c500f090b04bfc91c9f0fb4046c56f5d57798f9e3c5ac9

      SHA512

      ac45a3d07408806ca9b9f0a0e24496428c226d6af75c316510a600b6ce306d6f53983ce940517f433c2193861e50215b099d483425b40fab3ddfd25c23778e3d

    • \Windows\Resources\spoolsv.exe

      Filesize

      741KB

      MD5

      25eeb18b71d63ba040717a1a2c5e9826

      SHA1

      7435187bc5efd9eca48631691369f6dad7a2ec14

      SHA256

      335a20628cd3c55506c500f090b04bfc91c9f0fb4046c56f5d57798f9e3c5ac9

      SHA512

      ac45a3d07408806ca9b9f0a0e24496428c226d6af75c316510a600b6ce306d6f53983ce940517f433c2193861e50215b099d483425b40fab3ddfd25c23778e3d

    • \Windows\Resources\svchost.exe

      Filesize

      741KB

      MD5

      3808479656b95e2897ef5759daf5de63

      SHA1

      55f71e00d9a1908c1bfd7f40faae1283ef570076

      SHA256

      65991a8016b2ee0473c80dc9a4c9705035bb144a770eae5238b6582e3648b9fb

      SHA512

      8186ee8d711cf8fc064defb9a346adbcc90073e598191cd8badb9c71ba53f45394aa6ebb73e0e3c5d392a9379037b200de6a84fc1f8d4a7650e2b3586976db2f

    • memory/2560-50-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2560-48-0x0000000003890000-0x0000000003C02000-memory.dmp

      Filesize

      3.4MB

    • memory/2560-47-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2560-0-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-10-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-67-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-55-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-75-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-79-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-49-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-21-0x0000000003970000-0x0000000003CE2000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-51-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-65-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2572-57-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2596-41-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2596-45-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2716-46-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2716-22-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-52-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-53-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-58-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-60-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-64-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-54-0x0000000003830000-0x0000000003BA2000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-66-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-40-0x0000000003830000-0x0000000003BA2000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-68-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-70-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-33-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB

    • memory/2752-56-0x0000000000400000-0x0000000000772000-memory.dmp

      Filesize

      3.4MB