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Analysis

  • max time kernel
    131s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 07:31

General

  • Target

    2e1a1273d0a911657f73809a39552b032497a2a92692bdc1c504d4f12e1cc29d.exe

  • Size

    175KB

  • MD5

    6e2b49a5fdbe6d66a00aaa4b57496984

  • SHA1

    54ac10e67956dd55618e1c54ab617a35c470d406

  • SHA256

    2e1a1273d0a911657f73809a39552b032497a2a92692bdc1c504d4f12e1cc29d

  • SHA512

    a8a5dcc4e3af67bf46930dfa58b31d0ce2a4a0406bcba4a0b4a155be11794cddbaac612189b5488eca0d3f5b0ef7fecb2c337c250d6795fefeb3634a8bf81bc9

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCmzy8JY48oXPO:gDCwfG1bnxG858wW

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
  • Executes dropped EXE 6 IoCs
  • Checks computer location settings 2 TTPs 3 IoCs

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

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

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

  • Modifies registry class 4 IoCs
  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e1a1273d0a911657f73809a39552b032497a2a92692bdc1c504d4f12e1cc29d.exe
    "C:\Users\Admin\AppData\Local\Temp\2e1a1273d0a911657f73809a39552b032497a2a92692bdc1c504d4f12e1cc29d.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 use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:5092
    • 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:4296
      • 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:220
      • 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:1328
        • 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:3924
          • 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:4712
          • 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:3708
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:3780
            • 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:1064
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1172
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4812
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4244
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4520
        • 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:5112
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4884
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4636
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4008
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4392
    • 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:2036
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5036
      • 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:2924
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1872

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      175KB

      MD5

      974048b918b5d47b182b4a4e91262de0

      SHA1

      c9483d182107b3bdc871892dc4fe0f4ca3cab83d

      SHA256

      205064d11d17c2db789d2daa53409f7bbd6a85d91d231cd1b60a3853a8af2a8c

      SHA512

      8f6ac987a7418cc9cea10a8effdea2ee8dda822197b58e77b427b9ab32b84b6c59950120c10046453f45fc15b3a7f817150165a01fde82a06d3a28a40601f540

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

      Filesize

      175KB

      MD5

      974048b918b5d47b182b4a4e91262de0

      SHA1

      c9483d182107b3bdc871892dc4fe0f4ca3cab83d

      SHA256

      205064d11d17c2db789d2daa53409f7bbd6a85d91d231cd1b60a3853a8af2a8c

      SHA512

      8f6ac987a7418cc9cea10a8effdea2ee8dda822197b58e77b427b9ab32b84b6c59950120c10046453f45fc15b3a7f817150165a01fde82a06d3a28a40601f540

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

      Filesize

      175KB

      MD5

      974048b918b5d47b182b4a4e91262de0

      SHA1

      c9483d182107b3bdc871892dc4fe0f4ca3cab83d

      SHA256

      205064d11d17c2db789d2daa53409f7bbd6a85d91d231cd1b60a3853a8af2a8c

      SHA512

      8f6ac987a7418cc9cea10a8effdea2ee8dda822197b58e77b427b9ab32b84b6c59950120c10046453f45fc15b3a7f817150165a01fde82a06d3a28a40601f540

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

      Filesize

      175KB

      MD5

      974048b918b5d47b182b4a4e91262de0

      SHA1

      c9483d182107b3bdc871892dc4fe0f4ca3cab83d

      SHA256

      205064d11d17c2db789d2daa53409f7bbd6a85d91d231cd1b60a3853a8af2a8c

      SHA512

      8f6ac987a7418cc9cea10a8effdea2ee8dda822197b58e77b427b9ab32b84b6c59950120c10046453f45fc15b3a7f817150165a01fde82a06d3a28a40601f540

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      7fc0db81060e343fd209dc050b401f77

      SHA1

      08ce8975b023bf90c21b8e64cd54fdd39debce04

      SHA256

      4a21d378652d4291a6b9e88a1934ac51e9eccd5c9a42aa09076219301509367f

      SHA512

      e0d13ba3713707f7cb9be56240930a8f47d8c302e692b49dcb01f7bdf3e3475f829e1ead60ce6a5f98bed591be96456e9c3ef67bb27f88dc70343c1412e9de57

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      a878fbeb8e99da4b64abac6f78a636cb

      SHA1

      8282ab8dba185cd7fd421cdbb0ce7118cc171b52

      SHA256

      61b3d598b45fb630575f37fe03032191c81b15bf1be60845856fb492a3465716

      SHA512

      daa0e89bef96d4fe2b9948d53fec666029419f750ee1b5dabff982209cc6e75e6cfa75490f4faa1a635202257d397501a4b273043cc3dfc33fb281694870d971

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      a878fbeb8e99da4b64abac6f78a636cb

      SHA1

      8282ab8dba185cd7fd421cdbb0ce7118cc171b52

      SHA256

      61b3d598b45fb630575f37fe03032191c81b15bf1be60845856fb492a3465716

      SHA512

      daa0e89bef96d4fe2b9948d53fec666029419f750ee1b5dabff982209cc6e75e6cfa75490f4faa1a635202257d397501a4b273043cc3dfc33fb281694870d971

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      a878fbeb8e99da4b64abac6f78a636cb

      SHA1

      8282ab8dba185cd7fd421cdbb0ce7118cc171b52

      SHA256

      61b3d598b45fb630575f37fe03032191c81b15bf1be60845856fb492a3465716

      SHA512

      daa0e89bef96d4fe2b9948d53fec666029419f750ee1b5dabff982209cc6e75e6cfa75490f4faa1a635202257d397501a4b273043cc3dfc33fb281694870d971

    • C:\Windows\hosts.exe

      Filesize

      175KB

      MD5

      a878fbeb8e99da4b64abac6f78a636cb

      SHA1

      8282ab8dba185cd7fd421cdbb0ce7118cc171b52

      SHA256

      61b3d598b45fb630575f37fe03032191c81b15bf1be60845856fb492a3465716

      SHA512

      daa0e89bef96d4fe2b9948d53fec666029419f750ee1b5dabff982209cc6e75e6cfa75490f4faa1a635202257d397501a4b273043cc3dfc33fb281694870d971

    • C:\windows\hosts.exe

      Filesize

      175KB

      MD5

      a878fbeb8e99da4b64abac6f78a636cb

      SHA1

      8282ab8dba185cd7fd421cdbb0ce7118cc171b52

      SHA256

      61b3d598b45fb630575f37fe03032191c81b15bf1be60845856fb492a3465716

      SHA512

      daa0e89bef96d4fe2b9948d53fec666029419f750ee1b5dabff982209cc6e75e6cfa75490f4faa1a635202257d397501a4b273043cc3dfc33fb281694870d971

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b