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Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    04/11/2023, 12:11

General

  • Target

    NEAS.53a86d69337d4213ab796b698a36d240.exe

  • Size

    1.1MB

  • MD5

    53a86d69337d4213ab796b698a36d240

  • SHA1

    6d1d1b90169c7c259cf1f304fdc2a1af70a7c505

  • SHA256

    a066b8eb0516285fa2db56a152113198df0e022001b92a4b124558d72ad81558

  • SHA512

    8e16725493dd91c984e86fe5d48ff53cb48f7d2b22ef8d2fa0b3ff79be7da79dc18392f1c52cb8af67063e570acdc6dcdd0805360a62da7a95238a88417dab8e

  • SSDEEP

    24576:PFOaHyISjuOFLVusD/bOKCWlOxMuBRUgL:tbyzuWpBD//g1aG

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 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 12 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.53a86d69337d4213ab796b698a36d240.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.53a86d69337d4213ab796b698a36d240.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2208
    • \??\c:\users\admin\appdata\local\temp\neas.53a86d69337d4213ab796b698a36d240.exe 
      c:\users\admin\appdata\local\temp\neas.53a86d69337d4213ab796b698a36d240.exe 
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2096
      • C:\Users\Admin\AppData\Local\Temp\is-B0873.tmp\neas.53a86d69337d4213ab796b698a36d240.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-B0873.tmp\neas.53a86d69337d4213ab796b698a36d240.tmp" /SL5="$20192,731792,58368,c:\users\admin\appdata\local\temp\neas.53a86d69337d4213ab796b698a36d240.exe "
        3⤵
        • Executes dropped EXE
        PID:1728
    • C:\Windows\Resources\Themes\icsys.icn.exe
      C:\Windows\Resources\Themes\icsys.icn.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2652
      • \??\c:\windows\resources\themes\explorer.exe
        c:\windows\resources\themes\explorer.exe
        3⤵
        • 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
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2824
        • \??\c:\windows\resources\spoolsv.exe
          c:\windows\resources\spoolsv.exe SE
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2684
          • \??\c:\windows\resources\svchost.exe
            c:\windows\resources\svchost.exe
            5⤵
            • 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 behavior: EnumeratesProcesses
            • Suspicious behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2908
            • \??\c:\windows\resources\spoolsv.exe
              c:\windows\resources\spoolsv.exe PR
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2672
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:13 /f
              6⤵
              • Creates scheduled task(s)
              PID:3056
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:14 /f
              6⤵
              • Creates scheduled task(s)
              PID:2932
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /tn "svchost" /tr "c:\windows\resources\svchost.exe" /sc daily /st 12:15 /f
              6⤵
              • Creates scheduled task(s)
              PID:1188
        • C:\Windows\Explorer.exe
          C:\Windows\Explorer.exe
          4⤵
            PID:2636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\is-B0873.tmp\neas.53a86d69337d4213ab796b698a36d240.tmp

      Filesize

      702KB

      MD5

      1afbd25db5c9a90fe05309f7c4fbcf09

      SHA1

      baf330b5c249ca925b4ea19a52fe8b2c27e547fa

      SHA256

      3bb0ee5569fe5453c6b3fa25aa517b925d4f8d1f7ba3475e58fa09c46290658c

      SHA512

      3a448f06862c6d163fd58b68b836d866ae513e04a69774abf5a0c5b7df74f5b9ee37240083760185618c5068bf93e7fd812e76b3e530639111fb1d74f4d28419

    • C:\Users\Admin\AppData\Local\Temp\neas.53a86d69337d4213ab796b698a36d240.exe 

      Filesize

      979KB

      MD5

      22b56320920f3298a139fe636d96859a

      SHA1

      99287d9e6a29f5a3dbec78be24bc8cc5e8d874da

      SHA256

      ccdf5c2de1f7b0af02dad4552aa5171e8d149b95b3cb74876c37e8364521de78

      SHA512

      fb08610cd6daa1bbd8bf57ac0d0c022aea64811342d867b94fa6f312bbf560cf0b9c808ec5fa372d37ef518b9c981ca836ae3ae7edad1eeff727b695dee6d14c

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

      Filesize

      135KB

      MD5

      f863255175cf657c1023e64559d319f1

      SHA1

      529320b376f11d3bc1ab263e0e551461479beb86

      SHA256

      4c9be6ea7a533583487b95d08574a36bbcef1213ec2c19d9071035580a5385a2

      SHA512

      c957422ef447409887f93d5e0497470d648381f60ed7c9a69148301fe1e72255c1ad06672d2fa3066874fa9ae93225190c798dc3c451f64736970a8a1033305f

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

      Filesize

      135KB

      MD5

      f863255175cf657c1023e64559d319f1

      SHA1

      529320b376f11d3bc1ab263e0e551461479beb86

      SHA256

      4c9be6ea7a533583487b95d08574a36bbcef1213ec2c19d9071035580a5385a2

      SHA512

      c957422ef447409887f93d5e0497470d648381f60ed7c9a69148301fe1e72255c1ad06672d2fa3066874fa9ae93225190c798dc3c451f64736970a8a1033305f

    • C:\Windows\Resources\Themes\icsys.icn.exe

      Filesize

      135KB

      MD5

      6133887ae17f97d6bb85f1af0445a602

      SHA1

      cc99037d881a251868969289ae828b15f8d7d2ac

      SHA256

      70318d339c26dff940c23717bfce8484aa6d7d17a8cc75487b96093b612b7619

      SHA512

      da79515d687601f3dc4dce932d3fdb6b13cfa462f056d676c7e25e4fdd6721be32f58b588ed4a6d98d74e29bba486151059c7e1db1e4ce7ac34b7dc1e3315a44

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      135KB

      MD5

      3f98e80ae7001b152295ddfd0844e62e

      SHA1

      36265a3f38bffa8823cbc22f376c9d72f8f23959

      SHA256

      4a485c54a59b0d8f2970a3101166e7b68a13eb5cf34698e784b37af2f52a9a91

      SHA512

      00d28f45e42a894dae51c5b4f0491bf4e790f55b5cd7ff783379718b2c6cbae5d08691eac4ff56ff6da7dac8e192faab3316aa1b49b82e9a715040a171369518

    • C:\Windows\Resources\spoolsv.exe

      Filesize

      135KB

      MD5

      3f98e80ae7001b152295ddfd0844e62e

      SHA1

      36265a3f38bffa8823cbc22f376c9d72f8f23959

      SHA256

      4a485c54a59b0d8f2970a3101166e7b68a13eb5cf34698e784b37af2f52a9a91

      SHA512

      00d28f45e42a894dae51c5b4f0491bf4e790f55b5cd7ff783379718b2c6cbae5d08691eac4ff56ff6da7dac8e192faab3316aa1b49b82e9a715040a171369518

    • C:\Windows\Resources\svchost.exe

      Filesize

      135KB

      MD5

      cb4571731ccc0c07cf3a1daf15d180e6

      SHA1

      e9088534c7cd5d6297cfb49b87c499c4b7563ff0

      SHA256

      373f9c24af7a1ff80610bc5423f33186e993d1a798c4ed1fb38aa31b04fbc4fe

      SHA512

      8ac2b8449d93c5bcef798ab6bbc218672ddbe3c45ee58baf058d962cf362a6e43097c3b51fa9c72087b8ad54f6a8afd1e0b4511424efced7fc7b69ce69a28d4e

    • \??\c:\users\admin\appdata\local\temp\neas.53a86d69337d4213ab796b698a36d240.exe 

      Filesize

      979KB

      MD5

      22b56320920f3298a139fe636d96859a

      SHA1

      99287d9e6a29f5a3dbec78be24bc8cc5e8d874da

      SHA256

      ccdf5c2de1f7b0af02dad4552aa5171e8d149b95b3cb74876c37e8364521de78

      SHA512

      fb08610cd6daa1bbd8bf57ac0d0c022aea64811342d867b94fa6f312bbf560cf0b9c808ec5fa372d37ef518b9c981ca836ae3ae7edad1eeff727b695dee6d14c

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

      Filesize

      135KB

      MD5

      3f98e80ae7001b152295ddfd0844e62e

      SHA1

      36265a3f38bffa8823cbc22f376c9d72f8f23959

      SHA256

      4a485c54a59b0d8f2970a3101166e7b68a13eb5cf34698e784b37af2f52a9a91

      SHA512

      00d28f45e42a894dae51c5b4f0491bf4e790f55b5cd7ff783379718b2c6cbae5d08691eac4ff56ff6da7dac8e192faab3316aa1b49b82e9a715040a171369518

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

      Filesize

      135KB

      MD5

      cb4571731ccc0c07cf3a1daf15d180e6

      SHA1

      e9088534c7cd5d6297cfb49b87c499c4b7563ff0

      SHA256

      373f9c24af7a1ff80610bc5423f33186e993d1a798c4ed1fb38aa31b04fbc4fe

      SHA512

      8ac2b8449d93c5bcef798ab6bbc218672ddbe3c45ee58baf058d962cf362a6e43097c3b51fa9c72087b8ad54f6a8afd1e0b4511424efced7fc7b69ce69a28d4e

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

      Filesize

      135KB

      MD5

      f863255175cf657c1023e64559d319f1

      SHA1

      529320b376f11d3bc1ab263e0e551461479beb86

      SHA256

      4c9be6ea7a533583487b95d08574a36bbcef1213ec2c19d9071035580a5385a2

      SHA512

      c957422ef447409887f93d5e0497470d648381f60ed7c9a69148301fe1e72255c1ad06672d2fa3066874fa9ae93225190c798dc3c451f64736970a8a1033305f

    • \??\c:\windows\resources\themes\icsys.icn.exe

      Filesize

      135KB

      MD5

      6133887ae17f97d6bb85f1af0445a602

      SHA1

      cc99037d881a251868969289ae828b15f8d7d2ac

      SHA256

      70318d339c26dff940c23717bfce8484aa6d7d17a8cc75487b96093b612b7619

      SHA512

      da79515d687601f3dc4dce932d3fdb6b13cfa462f056d676c7e25e4fdd6721be32f58b588ed4a6d98d74e29bba486151059c7e1db1e4ce7ac34b7dc1e3315a44

    • \Users\Admin\AppData\Local\Temp\is-B0873.tmp\neas.53a86d69337d4213ab796b698a36d240.tmp

      Filesize

      702KB

      MD5

      1afbd25db5c9a90fe05309f7c4fbcf09

      SHA1

      baf330b5c249ca925b4ea19a52fe8b2c27e547fa

      SHA256

      3bb0ee5569fe5453c6b3fa25aa517b925d4f8d1f7ba3475e58fa09c46290658c

      SHA512

      3a448f06862c6d163fd58b68b836d866ae513e04a69774abf5a0c5b7df74f5b9ee37240083760185618c5068bf93e7fd812e76b3e530639111fb1d74f4d28419

    • \Users\Admin\AppData\Local\Temp\neas.53a86d69337d4213ab796b698a36d240.exe 

      Filesize

      979KB

      MD5

      22b56320920f3298a139fe636d96859a

      SHA1

      99287d9e6a29f5a3dbec78be24bc8cc5e8d874da

      SHA256

      ccdf5c2de1f7b0af02dad4552aa5171e8d149b95b3cb74876c37e8364521de78

      SHA512

      fb08610cd6daa1bbd8bf57ac0d0c022aea64811342d867b94fa6f312bbf560cf0b9c808ec5fa372d37ef518b9c981ca836ae3ae7edad1eeff727b695dee6d14c

    • \Windows\Resources\Themes\explorer.exe

      Filesize

      135KB

      MD5

      f863255175cf657c1023e64559d319f1

      SHA1

      529320b376f11d3bc1ab263e0e551461479beb86

      SHA256

      4c9be6ea7a533583487b95d08574a36bbcef1213ec2c19d9071035580a5385a2

      SHA512

      c957422ef447409887f93d5e0497470d648381f60ed7c9a69148301fe1e72255c1ad06672d2fa3066874fa9ae93225190c798dc3c451f64736970a8a1033305f

    • \Windows\Resources\Themes\icsys.icn.exe

      Filesize

      135KB

      MD5

      6133887ae17f97d6bb85f1af0445a602

      SHA1

      cc99037d881a251868969289ae828b15f8d7d2ac

      SHA256

      70318d339c26dff940c23717bfce8484aa6d7d17a8cc75487b96093b612b7619

      SHA512

      da79515d687601f3dc4dce932d3fdb6b13cfa462f056d676c7e25e4fdd6721be32f58b588ed4a6d98d74e29bba486151059c7e1db1e4ce7ac34b7dc1e3315a44

    • \Windows\Resources\spoolsv.exe

      Filesize

      135KB

      MD5

      3f98e80ae7001b152295ddfd0844e62e

      SHA1

      36265a3f38bffa8823cbc22f376c9d72f8f23959

      SHA256

      4a485c54a59b0d8f2970a3101166e7b68a13eb5cf34698e784b37af2f52a9a91

      SHA512

      00d28f45e42a894dae51c5b4f0491bf4e790f55b5cd7ff783379718b2c6cbae5d08691eac4ff56ff6da7dac8e192faab3316aa1b49b82e9a715040a171369518

    • \Windows\Resources\spoolsv.exe

      Filesize

      135KB

      MD5

      3f98e80ae7001b152295ddfd0844e62e

      SHA1

      36265a3f38bffa8823cbc22f376c9d72f8f23959

      SHA256

      4a485c54a59b0d8f2970a3101166e7b68a13eb5cf34698e784b37af2f52a9a91

      SHA512

      00d28f45e42a894dae51c5b4f0491bf4e790f55b5cd7ff783379718b2c6cbae5d08691eac4ff56ff6da7dac8e192faab3316aa1b49b82e9a715040a171369518

    • \Windows\Resources\svchost.exe

      Filesize

      135KB

      MD5

      cb4571731ccc0c07cf3a1daf15d180e6

      SHA1

      e9088534c7cd5d6297cfb49b87c499c4b7563ff0

      SHA256

      373f9c24af7a1ff80610bc5423f33186e993d1a798c4ed1fb38aa31b04fbc4fe

      SHA512

      8ac2b8449d93c5bcef798ab6bbc218672ddbe3c45ee58baf058d962cf362a6e43097c3b51fa9c72087b8ad54f6a8afd1e0b4511424efced7fc7b69ce69a28d4e

    • memory/1728-58-0x0000000000400000-0x00000000004BF000-memory.dmp

      Filesize

      764KB

    • memory/1728-27-0x0000000000240000-0x0000000000241000-memory.dmp

      Filesize

      4KB

    • memory/2096-61-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2096-11-0x0000000000400000-0x0000000000415000-memory.dmp

      Filesize

      84KB

    • memory/2208-0-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2208-72-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2652-33-0x0000000000290000-0x00000000002AF000-memory.dmp

      Filesize

      124KB

    • memory/2652-71-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2672-69-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2684-70-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2824-73-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2908-74-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB