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Analysis

  • max time kernel
    128s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07/11/2022, 18:22

General

  • Target

    49d8995d916d70954f10342a02df7615946cf813fed31134ce40bfd43637261d.exe

  • Size

    222KB

  • MD5

    02a69354c57dbbc3c39cc463efff5b5a

  • SHA1

    b00657df7a66d3d344a023a725bff6908b8ce784

  • SHA256

    49d8995d916d70954f10342a02df7615946cf813fed31134ce40bfd43637261d

  • SHA512

    b6bf45607c5f9b68f3f546a516e8a551f7bbe27bc4e60261b8d972a580e7a34ab6e97f675ea26ac985627d51cd1f75c203a0ba7807bd2110922f329b0c8e3cee

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQaYG:gDCwfG1bnxLERRNYG

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
  • Loads dropped DLL 5 IoCs
  • 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 key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49d8995d916d70954f10342a02df7615946cf813fed31134ce40bfd43637261d.exe
    "C:\Users\Admin\AppData\Local\Temp\49d8995d916d70954f10342a02df7615946cf813fed31134ce40bfd43637261d.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1184
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:1800
    • 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
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1116
      • 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:1204
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2028
        • 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
          • Loads dropped DLL
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2016
          • 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:1872
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c c:\windows\W_X_C.bat
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1972
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:1708
            • 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:1528
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1148
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1604
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:1956
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:900
        • 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:1352
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:800
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1600
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2020
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1612
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:364
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1680
      • 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:1568

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    492KB

    MD5

    9af81b3b6ff6c88bc5fe456c06d5afcd

    SHA1

    9d44b44de0a581949f83538fa5cb3f06c983ce3b

    SHA256

    2ade14c5208647eb132a5a409f836deef56117639e3fe9ed224704828433f03d

    SHA512

    8dc82c98483fcf0a46442bba7bf14fa5e5e74570e4b45a5fb143277caa8066e6c32bb862dbcde1fb5c3658297cb5a14fdf632652e55dbccb217cf6a3e3893a59

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    936KB

    MD5

    f4de5637a042bf450fd30736ae7a10ec

    SHA1

    8a491bb7de4aa372bd5e1fd065936387fffca102

    SHA256

    e7a6f7ce1ff1f7293bd49e7b75672a25e1fc4f1d686954a330714225e769c0d0

    SHA512

    89dc7159105454f199f264f316c8875d6617cff2a5c737d6635d2d7819c9af461fd51a0fcf0227427d88c85ea9d209725dc2541f2e0ec8a2ced9145ca9adc319

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.3MB

    MD5

    aefb03b8c0cff6d767fc965500937804

    SHA1

    5d1a5248dcf582d15bf7f92b24e94d5114f7322b

    SHA256

    f9999f9b1fb5712492d6c3447e279e34e91ec142ddcda86ceee4e52560104cd9

    SHA512

    fd00aa2f9c7bc40f19dc918581e168ec9c71145e98f50df9a3f99564f33797ebbde4cdab824771e00bfd27fe4da9fc69c8cfe3286bfc967f9b5f54de40f2f37c

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.8MB

    MD5

    b1ae6310fe94455af9b5270d2ad86f3f

    SHA1

    7be30fa1394d1223ec7c043c84ca3b14624d394f

    SHA256

    98e0cd6a8dda607076fb60876384416cc6a2a172ac8db117a666a4dda0e96f2d

    SHA512

    a4a919c666c197c89ab824c10dd8f1c1b82cd5e126ac308a867ee74b055c20479b75693d47611b8da2002b86c90c8dc1149e6d024a74d723db72e770824162ce

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.8MB

    MD5

    a9a6ba3a099d6c46afba0b67510404da

    SHA1

    d5b15285ba381daf0c587d9c774fee0084457ccf

    SHA256

    866666f19044184ac9c1b4bea1b34827a9e7d5723833edf530f4bcb6cfe83962

    SHA512

    0616a5e9ade67f2ca59f4357c838830bfbde32f4ed1e0c1cf21efdc0b9abd4568b99671902307211f7770183d21b26e8936f444dee63cfe5c41b09b010899ed8

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    6cb1a862c5d3015502be64b07c6b5ec7

    SHA1

    055b4b97bd55f4f0f47fd8c981fc216709e91936

    SHA256

    6ae3ae6c1d057e9376efd0711d9912dfddebd9f8a8b257cee104cba98195c48e

    SHA512

    5f8f0cdbbd70f06bc8783c0e762208a3c54daf0f2b064abd450116cb31963d0802bc59648e868d647031e0e321d151a20f1b71ccba613f6e1c0c7fbb7ee974ab

  • C:\Windows\hosts.exe

    Filesize

    222KB

    MD5

    a018a7fc636d12274ad16bc8c01bd627

    SHA1

    d0ce730b44fb79345de474f2b1d0eaebc99b976a

    SHA256

    901450e59d2b90be76d92c88477abbdc7813e90ad2c2f07929d9feebc8b2ddf3

    SHA512

    02398dc2d5e4a5ade7b13d3e9e714e8f3d15ee2406abc476b6646a7fac60cea60ec8085286f00d9b8b19904c1b58e0b6d783a2bbc2fe69d22637e9594e6e50dd

  • C:\Windows\hosts.exe

    Filesize

    222KB

    MD5

    a018a7fc636d12274ad16bc8c01bd627

    SHA1

    d0ce730b44fb79345de474f2b1d0eaebc99b976a

    SHA256

    901450e59d2b90be76d92c88477abbdc7813e90ad2c2f07929d9feebc8b2ddf3

    SHA512

    02398dc2d5e4a5ade7b13d3e9e714e8f3d15ee2406abc476b6646a7fac60cea60ec8085286f00d9b8b19904c1b58e0b6d783a2bbc2fe69d22637e9594e6e50dd

  • C:\Windows\hosts.exe

    Filesize

    222KB

    MD5

    a018a7fc636d12274ad16bc8c01bd627

    SHA1

    d0ce730b44fb79345de474f2b1d0eaebc99b976a

    SHA256

    901450e59d2b90be76d92c88477abbdc7813e90ad2c2f07929d9feebc8b2ddf3

    SHA512

    02398dc2d5e4a5ade7b13d3e9e714e8f3d15ee2406abc476b6646a7fac60cea60ec8085286f00d9b8b19904c1b58e0b6d783a2bbc2fe69d22637e9594e6e50dd

  • C:\Windows\hosts.exe

    Filesize

    222KB

    MD5

    a018a7fc636d12274ad16bc8c01bd627

    SHA1

    d0ce730b44fb79345de474f2b1d0eaebc99b976a

    SHA256

    901450e59d2b90be76d92c88477abbdc7813e90ad2c2f07929d9feebc8b2ddf3

    SHA512

    02398dc2d5e4a5ade7b13d3e9e714e8f3d15ee2406abc476b6646a7fac60cea60ec8085286f00d9b8b19904c1b58e0b6d783a2bbc2fe69d22637e9594e6e50dd

  • C:\windows\hosts.exe

    Filesize

    222KB

    MD5

    a018a7fc636d12274ad16bc8c01bd627

    SHA1

    d0ce730b44fb79345de474f2b1d0eaebc99b976a

    SHA256

    901450e59d2b90be76d92c88477abbdc7813e90ad2c2f07929d9feebc8b2ddf3

    SHA512

    02398dc2d5e4a5ade7b13d3e9e714e8f3d15ee2406abc476b6646a7fac60cea60ec8085286f00d9b8b19904c1b58e0b6d783a2bbc2fe69d22637e9594e6e50dd

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

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

    Filesize

    222KB

    MD5

    273b9aa45f10f4b182a56d1bf5cc4124

    SHA1

    750e2424df98f604dbf3642260c0f19298420980

    SHA256

    7717a37889e9f0b666e40ab795111399e60e209aecd42b600b98ac616638b667

    SHA512

    8fc3b21bf152101dd90b9379e5a37ae6c936bf2fbefb67450801d82b993dd6a62fbcb33a58dee70480a8b90c6bd000387c4374e221d31ddd9d9a190633770931

  • memory/1184-58-0x0000000074361000-0x0000000074363000-memory.dmp

    Filesize

    8KB

  • memory/1184-56-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB