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Analysis

  • max time kernel
    134s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/10/2023, 21:23

General

  • Target

    NEAS.702ee218cab1cca6d1c9d68681cef620.exe

  • Size

    5.5MB

  • MD5

    702ee218cab1cca6d1c9d68681cef620

  • SHA1

    798ee2288f421c71062610ec89d44aa2b66c0f0c

  • SHA256

    9a23c61502141ca5a2be7d1649f740041e1c836fbfbb291726fbb083f8e91f34

  • SHA512

    5fdaf8a8416c359bd1d2a4b8d24ab0817145859703061ab121911147e027c0f5bb9a800aa2154ca85398fbf529216f312a0ed5755aa73dba5b7381ce07145d79

  • SSDEEP

    98304:gm7Nm7om7Nm7om7Nm7om7Nm7om7Nm7om7Nm7om7Nm7om7Nm7om7Nm7om7Nm7om7c:gm7Nm7om7Nm7om7Nm7om7Nm7om7Nm7oM

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 4 IoCs
  • Modifies registry key 1 TTPs 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 3 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.702ee218cab1cca6d1c9d68681cef620.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.702ee218cab1cca6d1c9d68681cef620.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:4280
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2504
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1128
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
        3⤵
        • Checks computer location settings
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1364
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4432
          • C:\Users\Admin\AppData\Local\Temp\avscan.exe
            C:\Users\Admin\AppData\Local\Temp\avscan.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3844
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
            5⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4416
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:5024
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
              6⤵
              • Adds policy Run key to start application
              PID:412
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4700
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1840
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:3568
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:2620
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3400
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2260
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4848
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1408
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:5004
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\avscan.exe

      Filesize

      5.5MB

      MD5

      3c7aa3204cbadfc5f487cefb49ba6c62

      SHA1

      22d31634cceef86d09508344b8528c3d84ea2f63

      SHA256

      48ca9ad65159752d546070c7ad62c8bda772f98f8c79c811a7baa9b8c5369096

      SHA512

      b863e522806582a8b4ad460a0bcae45cb258a66953f382db495ad7999cb511a0b1edf83e98218e785f20d52448647621ddfaf0b174b4ed92ad44ca1cc57b5649

    • C:\Users\Admin\AppData\Local\Temp\avscan.exe

      Filesize

      5.5MB

      MD5

      3c7aa3204cbadfc5f487cefb49ba6c62

      SHA1

      22d31634cceef86d09508344b8528c3d84ea2f63

      SHA256

      48ca9ad65159752d546070c7ad62c8bda772f98f8c79c811a7baa9b8c5369096

      SHA512

      b863e522806582a8b4ad460a0bcae45cb258a66953f382db495ad7999cb511a0b1edf83e98218e785f20d52448647621ddfaf0b174b4ed92ad44ca1cc57b5649

    • C:\Users\Admin\AppData\Local\Temp\avscan.exe

      Filesize

      5.5MB

      MD5

      3c7aa3204cbadfc5f487cefb49ba6c62

      SHA1

      22d31634cceef86d09508344b8528c3d84ea2f63

      SHA256

      48ca9ad65159752d546070c7ad62c8bda772f98f8c79c811a7baa9b8c5369096

      SHA512

      b863e522806582a8b4ad460a0bcae45cb258a66953f382db495ad7999cb511a0b1edf83e98218e785f20d52448647621ddfaf0b174b4ed92ad44ca1cc57b5649

    • C:\Users\Admin\AppData\Local\Temp\avscan.exe

      Filesize

      5.5MB

      MD5

      3c7aa3204cbadfc5f487cefb49ba6c62

      SHA1

      22d31634cceef86d09508344b8528c3d84ea2f63

      SHA256

      48ca9ad65159752d546070c7ad62c8bda772f98f8c79c811a7baa9b8c5369096

      SHA512

      b863e522806582a8b4ad460a0bcae45cb258a66953f382db495ad7999cb511a0b1edf83e98218e785f20d52448647621ddfaf0b174b4ed92ad44ca1cc57b5649

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      ea493a9a3633e09ef54322e6bec33b4c

      SHA1

      0d0b5913b97c52c58d55740e52c84a07ba6fbfc7

      SHA256

      1ed5d55178d379945855f67de151c1a22a7b334daa8513c198edd4120203c3da

      SHA512

      53eaf502921739c73f2b2410d761ce26af6a7ba4d8ff8d72b9a32ec56967ed95e5cc17abccb8c690ffcdecf4dc726e94f056445f28d6dcf2c3f7441a7d7c688b

    • C:\Windows\hosts.exe

      Filesize

      5.5MB

      MD5

      f4cc3f535970c2f11a8b7afcca796d17

      SHA1

      64ab94fd6a6cb4f5c48a33d4f0bb90b57fe1e76b

      SHA256

      8218e59c4394c7fdd266bae3798b65fc461b1e671c29074b953714da7ba343b2

      SHA512

      f084f169511595ec3536fb7f958105836d7c3eb6807561ed85016f0e002269e5370ee3817d8517f1e123304461a7755a15b1b20cf8c3f98dd350f3078a4331f0

    • C:\Windows\hosts.exe

      Filesize

      5.5MB

      MD5

      f4cc3f535970c2f11a8b7afcca796d17

      SHA1

      64ab94fd6a6cb4f5c48a33d4f0bb90b57fe1e76b

      SHA256

      8218e59c4394c7fdd266bae3798b65fc461b1e671c29074b953714da7ba343b2

      SHA512

      f084f169511595ec3536fb7f958105836d7c3eb6807561ed85016f0e002269e5370ee3817d8517f1e123304461a7755a15b1b20cf8c3f98dd350f3078a4331f0

    • C:\Windows\hosts.exe

      Filesize

      5.5MB

      MD5

      f4cc3f535970c2f11a8b7afcca796d17

      SHA1

      64ab94fd6a6cb4f5c48a33d4f0bb90b57fe1e76b

      SHA256

      8218e59c4394c7fdd266bae3798b65fc461b1e671c29074b953714da7ba343b2

      SHA512

      f084f169511595ec3536fb7f958105836d7c3eb6807561ed85016f0e002269e5370ee3817d8517f1e123304461a7755a15b1b20cf8c3f98dd350f3078a4331f0

    • C:\Windows\hosts.exe

      Filesize

      5.5MB

      MD5

      f4cc3f535970c2f11a8b7afcca796d17

      SHA1

      64ab94fd6a6cb4f5c48a33d4f0bb90b57fe1e76b

      SHA256

      8218e59c4394c7fdd266bae3798b65fc461b1e671c29074b953714da7ba343b2

      SHA512

      f084f169511595ec3536fb7f958105836d7c3eb6807561ed85016f0e002269e5370ee3817d8517f1e123304461a7755a15b1b20cf8c3f98dd350f3078a4331f0

    • C:\Windows\hosts.exe

      Filesize

      5.5MB

      MD5

      f4cc3f535970c2f11a8b7afcca796d17

      SHA1

      64ab94fd6a6cb4f5c48a33d4f0bb90b57fe1e76b

      SHA256

      8218e59c4394c7fdd266bae3798b65fc461b1e671c29074b953714da7ba343b2

      SHA512

      f084f169511595ec3536fb7f958105836d7c3eb6807561ed85016f0e002269e5370ee3817d8517f1e123304461a7755a15b1b20cf8c3f98dd350f3078a4331f0

    • C:\windows\hosts.exe

      Filesize

      5.5MB

      MD5

      f4cc3f535970c2f11a8b7afcca796d17

      SHA1

      64ab94fd6a6cb4f5c48a33d4f0bb90b57fe1e76b

      SHA256

      8218e59c4394c7fdd266bae3798b65fc461b1e671c29074b953714da7ba343b2

      SHA512

      f084f169511595ec3536fb7f958105836d7c3eb6807561ed85016f0e002269e5370ee3817d8517f1e123304461a7755a15b1b20cf8c3f98dd350f3078a4331f0

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b