Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 18:22

General

  • Target

    490abd45a6ab106ba5b5b2f2f5febf5330d20cc6191a916f2400864eba1b48f9.exe

  • Size

    212KB

  • MD5

    0cefbca50a38c7eceab0c685084dde2a

  • SHA1

    8669e329abad25eddbcfa0d969f180e3421dab29

  • SHA256

    490abd45a6ab106ba5b5b2f2f5febf5330d20cc6191a916f2400864eba1b48f9

  • SHA512

    c81a1264cfb4b553afbcf0e9c538dea3a9d9b8d52e7441e456b314e70c6f42803974d83ac8232050a3af5d7e384cb4863fd55f0332731f1564ded96ce71ff2f8

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQ6++M4EE0yxoFwq+hbWX3M:gDCwfG1bnxLERRy+Ml6/q+hKX3M

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\490abd45a6ab106ba5b5b2f2f5febf5330d20cc6191a916f2400864eba1b48f9.exe
    "C:\Users\Admin\AppData\Local\Temp\490abd45a6ab106ba5b5b2f2f5febf5330d20cc6191a916f2400864eba1b48f9.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:880
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Modifies registry key
      PID:528
    • 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:2920
      • 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:4644
      • 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:4500
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:752
        • 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:4452
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1404
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2256
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4796
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:4472
    • 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:5072
      • 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:1392
        • 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:1080
        • 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:3668
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1488
          • 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:3172
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:4220
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2924
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:3636
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2796
      • 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:112
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3988

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      212KB

      MD5

      6da1f3372fe7a5102e3eeb38628aad6c

      SHA1

      cf69e79e5e1556ec03505bb28158f7c748898ebe

      SHA256

      985546d86f511c6acd569fadf063c936e4721301357b2dd93a1672d4b88dec1a

      SHA512

      3528429babfb8fe635f8b714dc99007e5120d913c7cfd3a48b89e30b9c87f07717eb3aae598f9a92793d0779cd0f4046d374f25177662070fa499e59eb67344e

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

      Filesize

      212KB

      MD5

      6da1f3372fe7a5102e3eeb38628aad6c

      SHA1

      cf69e79e5e1556ec03505bb28158f7c748898ebe

      SHA256

      985546d86f511c6acd569fadf063c936e4721301357b2dd93a1672d4b88dec1a

      SHA512

      3528429babfb8fe635f8b714dc99007e5120d913c7cfd3a48b89e30b9c87f07717eb3aae598f9a92793d0779cd0f4046d374f25177662070fa499e59eb67344e

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

      Filesize

      212KB

      MD5

      6da1f3372fe7a5102e3eeb38628aad6c

      SHA1

      cf69e79e5e1556ec03505bb28158f7c748898ebe

      SHA256

      985546d86f511c6acd569fadf063c936e4721301357b2dd93a1672d4b88dec1a

      SHA512

      3528429babfb8fe635f8b714dc99007e5120d913c7cfd3a48b89e30b9c87f07717eb3aae598f9a92793d0779cd0f4046d374f25177662070fa499e59eb67344e

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

      Filesize

      212KB

      MD5

      6da1f3372fe7a5102e3eeb38628aad6c

      SHA1

      cf69e79e5e1556ec03505bb28158f7c748898ebe

      SHA256

      985546d86f511c6acd569fadf063c936e4721301357b2dd93a1672d4b88dec1a

      SHA512

      3528429babfb8fe635f8b714dc99007e5120d913c7cfd3a48b89e30b9c87f07717eb3aae598f9a92793d0779cd0f4046d374f25177662070fa499e59eb67344e

    • C:\Windows\W_X_C.vbs

      Filesize

      195B

      MD5

      5b87381bf407d7c6018a8b11c3e20f92

      SHA1

      bb61b28d9c8fd7dfeb13a397c49a1be3abc06ca2

      SHA256

      4785d6a229d0872fe90c75ab620de9a680d7f07ccd27a134da2afc4ee88f34f3

      SHA512

      05db1178f671e9d6c3a1c601349093447b04ebddcd071a06f7cc92cbaf7efb53027bc92523a19372a08ca5af715cc9955649255f8be1909b5e594385b3dcbe3d

    • C:\Windows\hosts.exe

      Filesize

      212KB

      MD5

      e208f7dda37fa4802f72e531dfe910b0

      SHA1

      a973f987dee05ea24a3b7c0a024b1a67c3e3f326

      SHA256

      38e32fa43332fbe15b21904900e1e2edd782a8b44877979385206be05c29e09b

      SHA512

      b6b537fa2d8a1a1b71558364363544127420b4840a96f5ec1d3298404a7d845f68b1eb1bd7655542cb1622222279997f4f74760862092e11276bff11f8269b55

    • C:\Windows\hosts.exe

      Filesize

      212KB

      MD5

      e208f7dda37fa4802f72e531dfe910b0

      SHA1

      a973f987dee05ea24a3b7c0a024b1a67c3e3f326

      SHA256

      38e32fa43332fbe15b21904900e1e2edd782a8b44877979385206be05c29e09b

      SHA512

      b6b537fa2d8a1a1b71558364363544127420b4840a96f5ec1d3298404a7d845f68b1eb1bd7655542cb1622222279997f4f74760862092e11276bff11f8269b55

    • C:\Windows\hosts.exe

      Filesize

      212KB

      MD5

      e208f7dda37fa4802f72e531dfe910b0

      SHA1

      a973f987dee05ea24a3b7c0a024b1a67c3e3f326

      SHA256

      38e32fa43332fbe15b21904900e1e2edd782a8b44877979385206be05c29e09b

      SHA512

      b6b537fa2d8a1a1b71558364363544127420b4840a96f5ec1d3298404a7d845f68b1eb1bd7655542cb1622222279997f4f74760862092e11276bff11f8269b55

    • C:\Windows\hosts.exe

      Filesize

      212KB

      MD5

      e208f7dda37fa4802f72e531dfe910b0

      SHA1

      a973f987dee05ea24a3b7c0a024b1a67c3e3f326

      SHA256

      38e32fa43332fbe15b21904900e1e2edd782a8b44877979385206be05c29e09b

      SHA512

      b6b537fa2d8a1a1b71558364363544127420b4840a96f5ec1d3298404a7d845f68b1eb1bd7655542cb1622222279997f4f74760862092e11276bff11f8269b55

    • C:\windows\hosts.exe

      Filesize

      212KB

      MD5

      e208f7dda37fa4802f72e531dfe910b0

      SHA1

      a973f987dee05ea24a3b7c0a024b1a67c3e3f326

      SHA256

      38e32fa43332fbe15b21904900e1e2edd782a8b44877979385206be05c29e09b

      SHA512

      b6b537fa2d8a1a1b71558364363544127420b4840a96f5ec1d3298404a7d845f68b1eb1bd7655542cb1622222279997f4f74760862092e11276bff11f8269b55

    • \??\c:\windows\W_X_C.bat

      Filesize

      336B

      MD5

      4db9f8b6175722b62ececeeeba1ce307

      SHA1

      3b3ba8414706e72a6fa19e884a97b87609e11e47

      SHA256

      d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

      SHA512

      1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

    • memory/112-166-0x0000000000000000-mapping.dmp

    • memory/528-137-0x0000000000000000-mapping.dmp

    • memory/752-152-0x0000000000000000-mapping.dmp

    • memory/1080-160-0x0000000000000000-mapping.dmp

    • memory/1392-151-0x0000000000000000-mapping.dmp

    • memory/1404-173-0x0000000000000000-mapping.dmp

    • memory/1488-168-0x0000000000000000-mapping.dmp

    • memory/2256-175-0x0000000000000000-mapping.dmp

    • memory/2796-180-0x0000000000000000-mapping.dmp

    • memory/2920-138-0x0000000000000000-mapping.dmp

    • memory/2924-176-0x0000000000000000-mapping.dmp

    • memory/3172-172-0x0000000000000000-mapping.dmp

    • memory/3636-178-0x0000000000000000-mapping.dmp

    • memory/3668-165-0x0000000000000000-mapping.dmp

    • memory/4220-174-0x0000000000000000-mapping.dmp

    • memory/4452-167-0x0000000000000000-mapping.dmp

    • memory/4472-179-0x0000000000000000-mapping.dmp

    • memory/4500-148-0x0000000000000000-mapping.dmp

    • memory/4644-144-0x0000000000000000-mapping.dmp

    • memory/4796-177-0x0000000000000000-mapping.dmp

    • memory/5072-149-0x0000000000000000-mapping.dmp