Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    123s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/10/2022, 06:42

General

  • Target

    1aef7435075ad557a69ecf5035909f71727d8d041793434ba6f1881eaa1c66ce.exe

  • Size

    171KB

  • MD5

    39cef4688d19860be64c672b4f7ca770

  • SHA1

    dd4bd21431386d5f474c460255760ebad566ce20

  • SHA256

    1aef7435075ad557a69ecf5035909f71727d8d041793434ba6f1881eaa1c66ce

  • SHA512

    8a1f038d75122b665034cc54d04d40fe53a7ad3589cd7131446acca93b6ae03abc73b2aee1202df43698ab3f32fddf161bd830a16fd1ff6474dc918ebffd6228

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCmzy8J1ywvOs:gDCwfG1bnxG8DBvOs

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\1aef7435075ad557a69ecf5035909f71727d8d041793434ba6f1881eaa1c66ce.exe
    "C:\Users\Admin\AppData\Local\Temp\1aef7435075ad557a69ecf5035909f71727d8d041793434ba6f1881eaa1c66ce.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:1748
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2036
    • 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:5096
      • 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:508
      • 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:4816
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4276
        • 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:676
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1296
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3592
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:428
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4736
    • 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:4756
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • 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:4348
        • C:\Users\Admin\AppData\Local\Temp\avscan.exe
          C:\Users\Admin\AppData\Local\Temp\avscan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4464
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c c:\windows\W_X_C.bat
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1560
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2636
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
            5⤵
            • Adds policy Run key to start application
            PID:600
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3476
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:4512
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3960
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1860
      • 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:1388
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1644

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      171KB

      MD5

      e0930f6dd3e316e2f459672799de7814

      SHA1

      53e31ae4eb042d1e76791206cc4b5ff6de3d84b1

      SHA256

      cfac2ed4741d457f61a41293a3145702183ec06d5368fe1efb3a1246a25ccd02

      SHA512

      36bd5403fbb804ebcf808e36692898cdfb35b046046fab89b302a2a00c12d6fddf6f75564f8ee6b1729c1d881fca155f1905aca45d1655a892194949232fd5b8

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

      Filesize

      171KB

      MD5

      e0930f6dd3e316e2f459672799de7814

      SHA1

      53e31ae4eb042d1e76791206cc4b5ff6de3d84b1

      SHA256

      cfac2ed4741d457f61a41293a3145702183ec06d5368fe1efb3a1246a25ccd02

      SHA512

      36bd5403fbb804ebcf808e36692898cdfb35b046046fab89b302a2a00c12d6fddf6f75564f8ee6b1729c1d881fca155f1905aca45d1655a892194949232fd5b8

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

      Filesize

      171KB

      MD5

      e0930f6dd3e316e2f459672799de7814

      SHA1

      53e31ae4eb042d1e76791206cc4b5ff6de3d84b1

      SHA256

      cfac2ed4741d457f61a41293a3145702183ec06d5368fe1efb3a1246a25ccd02

      SHA512

      36bd5403fbb804ebcf808e36692898cdfb35b046046fab89b302a2a00c12d6fddf6f75564f8ee6b1729c1d881fca155f1905aca45d1655a892194949232fd5b8

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

      Filesize

      171KB

      MD5

      e0930f6dd3e316e2f459672799de7814

      SHA1

      53e31ae4eb042d1e76791206cc4b5ff6de3d84b1

      SHA256

      cfac2ed4741d457f61a41293a3145702183ec06d5368fe1efb3a1246a25ccd02

      SHA512

      36bd5403fbb804ebcf808e36692898cdfb35b046046fab89b302a2a00c12d6fddf6f75564f8ee6b1729c1d881fca155f1905aca45d1655a892194949232fd5b8

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      c35f93e634b81f2cb003c72a1fb9d1f2

      SHA1

      9b6c533eebab7958e9e167ab93a412d5411c7a89

      SHA256

      6afae199db9be5b7c4c5dac778ec8c45051666d11f93dd93c1700beb20e1136f

      SHA512

      5cc512763da54bc66ffff42e02dc28ad9cda03e46a8b9181425c619815fb7c7afe3a71fc73742e151e26de7a21ade101e59d6853fe70b7d99ea93195325c010d

    • C:\Windows\hosts.exe

      Filesize

      171KB

      MD5

      4c8d094eec47c32f0a1ff25036324ae2

      SHA1

      4716a033cb113f0e3ade30a71f2c253b41390944

      SHA256

      4862fe36b1eb28ef3350736734eb7ec17c96219ba9dafe0d03554a85acac0823

      SHA512

      41bd9ace6b4a79e641303b320b96cb0e1b382ac86a724aef8cef57403aeb489c0ad42ee86f8955491a9e1a92f771987237a8feded1caf642458057d6b316e752

    • C:\Windows\hosts.exe

      Filesize

      171KB

      MD5

      4c8d094eec47c32f0a1ff25036324ae2

      SHA1

      4716a033cb113f0e3ade30a71f2c253b41390944

      SHA256

      4862fe36b1eb28ef3350736734eb7ec17c96219ba9dafe0d03554a85acac0823

      SHA512

      41bd9ace6b4a79e641303b320b96cb0e1b382ac86a724aef8cef57403aeb489c0ad42ee86f8955491a9e1a92f771987237a8feded1caf642458057d6b316e752

    • C:\Windows\hosts.exe

      Filesize

      171KB

      MD5

      4c8d094eec47c32f0a1ff25036324ae2

      SHA1

      4716a033cb113f0e3ade30a71f2c253b41390944

      SHA256

      4862fe36b1eb28ef3350736734eb7ec17c96219ba9dafe0d03554a85acac0823

      SHA512

      41bd9ace6b4a79e641303b320b96cb0e1b382ac86a724aef8cef57403aeb489c0ad42ee86f8955491a9e1a92f771987237a8feded1caf642458057d6b316e752

    • C:\Windows\hosts.exe

      Filesize

      171KB

      MD5

      4c8d094eec47c32f0a1ff25036324ae2

      SHA1

      4716a033cb113f0e3ade30a71f2c253b41390944

      SHA256

      4862fe36b1eb28ef3350736734eb7ec17c96219ba9dafe0d03554a85acac0823

      SHA512

      41bd9ace6b4a79e641303b320b96cb0e1b382ac86a724aef8cef57403aeb489c0ad42ee86f8955491a9e1a92f771987237a8feded1caf642458057d6b316e752

    • C:\windows\hosts.exe

      Filesize

      171KB

      MD5

      4c8d094eec47c32f0a1ff25036324ae2

      SHA1

      4716a033cb113f0e3ade30a71f2c253b41390944

      SHA256

      4862fe36b1eb28ef3350736734eb7ec17c96219ba9dafe0d03554a85acac0823

      SHA512

      41bd9ace6b4a79e641303b320b96cb0e1b382ac86a724aef8cef57403aeb489c0ad42ee86f8955491a9e1a92f771987237a8feded1caf642458057d6b316e752

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b