Analysis

  • max time kernel
    124s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-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
  • 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\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
    • Adds Run key to start application
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4812
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:2228
    • 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:2412
      • 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:64
      • 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:1796
        • 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:4716
          • 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:4520
          • 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:1840
            • C:\windows\hosts.exe
              C:\windows\hosts.exe
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:3196
            • 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:3376
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:360
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:2760
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4184
          • C:\Windows\SysWOW64\REG.exe
            REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
            5⤵
            • Modifies registry key
            PID:4000
        • 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:4308
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1692
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2172
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:3900
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2580
    • 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:4640
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1356
      • 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:4680
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:5104

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      222KB

      MD5

      c409fa603b199ac1399bce510daf09c0

      SHA1

      77eee3e39d2d3ff4551d7fee72843e9c8ec9ea1a

      SHA256

      f21e778facefffe9a86fb39fad9561114bf7317255e6882ab0624c09b58d07c1

      SHA512

      c267cdca0c40149e018eea5ae57d800a0f7664d2fa782653b9c715476d7512572e7472b05addfbdbb0792ff1501d3d33af15a1a1398d38f269cbe0f1e2c3bcb0

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

      Filesize

      222KB

      MD5

      c409fa603b199ac1399bce510daf09c0

      SHA1

      77eee3e39d2d3ff4551d7fee72843e9c8ec9ea1a

      SHA256

      f21e778facefffe9a86fb39fad9561114bf7317255e6882ab0624c09b58d07c1

      SHA512

      c267cdca0c40149e018eea5ae57d800a0f7664d2fa782653b9c715476d7512572e7472b05addfbdbb0792ff1501d3d33af15a1a1398d38f269cbe0f1e2c3bcb0

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

      Filesize

      222KB

      MD5

      c409fa603b199ac1399bce510daf09c0

      SHA1

      77eee3e39d2d3ff4551d7fee72843e9c8ec9ea1a

      SHA256

      f21e778facefffe9a86fb39fad9561114bf7317255e6882ab0624c09b58d07c1

      SHA512

      c267cdca0c40149e018eea5ae57d800a0f7664d2fa782653b9c715476d7512572e7472b05addfbdbb0792ff1501d3d33af15a1a1398d38f269cbe0f1e2c3bcb0

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

      Filesize

      222KB

      MD5

      c409fa603b199ac1399bce510daf09c0

      SHA1

      77eee3e39d2d3ff4551d7fee72843e9c8ec9ea1a

      SHA256

      f21e778facefffe9a86fb39fad9561114bf7317255e6882ab0624c09b58d07c1

      SHA512

      c267cdca0c40149e018eea5ae57d800a0f7664d2fa782653b9c715476d7512572e7472b05addfbdbb0792ff1501d3d33af15a1a1398d38f269cbe0f1e2c3bcb0

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      0e0483d4802632100b6bfe8bc2e5d661

      SHA1

      767e0deb7dcaa7676004e6053957c36cecfeeefa

      SHA256

      81bbebb8d0e77ffffbc7b7d24afdcdce4089f4b04d1a12284eda861c25e03f9f

      SHA512

      8279b0559ca30a0adc6c8614870c3e445866c20f0617a7153cab41982b451dfe9ea44478f37b884465235714623ef26a56f5ea3d1cb81767487c494d3703ab29

    • C:\Windows\hosts.exe

      Filesize

      222KB

      MD5

      c8f847784a302ecf6caadc4c185fa89c

      SHA1

      08223476702bd3ee9d4e3ac2d7a2f6f58d5aac69

      SHA256

      e89df70b4c80f8e8623377e156bc04f1a0b5ebeaa58e78e92526f0971ad19ae4

      SHA512

      3bac7347472545ec89270aa6d866b85d83d46d84f002a9c29fbcc57b66cdbee08bbdbe43fea067284cb8bfa9356bd6dabdc4d4727fed74814358f0d8c31525ef

    • C:\Windows\hosts.exe

      Filesize

      222KB

      MD5

      c8f847784a302ecf6caadc4c185fa89c

      SHA1

      08223476702bd3ee9d4e3ac2d7a2f6f58d5aac69

      SHA256

      e89df70b4c80f8e8623377e156bc04f1a0b5ebeaa58e78e92526f0971ad19ae4

      SHA512

      3bac7347472545ec89270aa6d866b85d83d46d84f002a9c29fbcc57b66cdbee08bbdbe43fea067284cb8bfa9356bd6dabdc4d4727fed74814358f0d8c31525ef

    • C:\Windows\hosts.exe

      Filesize

      222KB

      MD5

      c8f847784a302ecf6caadc4c185fa89c

      SHA1

      08223476702bd3ee9d4e3ac2d7a2f6f58d5aac69

      SHA256

      e89df70b4c80f8e8623377e156bc04f1a0b5ebeaa58e78e92526f0971ad19ae4

      SHA512

      3bac7347472545ec89270aa6d866b85d83d46d84f002a9c29fbcc57b66cdbee08bbdbe43fea067284cb8bfa9356bd6dabdc4d4727fed74814358f0d8c31525ef

    • C:\Windows\hosts.exe

      Filesize

      222KB

      MD5

      c8f847784a302ecf6caadc4c185fa89c

      SHA1

      08223476702bd3ee9d4e3ac2d7a2f6f58d5aac69

      SHA256

      e89df70b4c80f8e8623377e156bc04f1a0b5ebeaa58e78e92526f0971ad19ae4

      SHA512

      3bac7347472545ec89270aa6d866b85d83d46d84f002a9c29fbcc57b66cdbee08bbdbe43fea067284cb8bfa9356bd6dabdc4d4727fed74814358f0d8c31525ef

    • C:\windows\hosts.exe

      Filesize

      222KB

      MD5

      c8f847784a302ecf6caadc4c185fa89c

      SHA1

      08223476702bd3ee9d4e3ac2d7a2f6f58d5aac69

      SHA256

      e89df70b4c80f8e8623377e156bc04f1a0b5ebeaa58e78e92526f0971ad19ae4

      SHA512

      3bac7347472545ec89270aa6d866b85d83d46d84f002a9c29fbcc57b66cdbee08bbdbe43fea067284cb8bfa9356bd6dabdc4d4727fed74814358f0d8c31525ef

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b