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Analysis

  • max time kernel
    151s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2022, 03:37

General

  • Target

    cfbfe562aae9179bfa9d6cfca07bc277ec48ec035b72b27fec7f49b4ca14657b.exe

  • Size

    268KB

  • MD5

    0a0e57a0fe628df8be4a06a46b345ff6

  • SHA1

    b17ba3d3b1ca1a66f6ea3e934e22941f5a1b2be2

  • SHA256

    cfbfe562aae9179bfa9d6cfca07bc277ec48ec035b72b27fec7f49b4ca14657b

  • SHA512

    11ebd455c1d04545ca3da4cf4407d1b71c52389f5535abeca874aad74cee8eaf6b9d0f736a5f8780b462e7a89568b8fff5e37cf42b5f760a59dd65df533cdcfd

  • SSDEEP

    6144:XbfO3SlNyTkyhlx0kRujRYO4VYAtHJ3DFLjxIE++/gAxcbibMoSN:LfIST8kk0kMlCPTvXxKXoSN

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 22 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfbfe562aae9179bfa9d6cfca07bc277ec48ec035b72b27fec7f49b4ca14657b.exe
    "C:\Users\Admin\AppData\Local\Temp\cfbfe562aae9179bfa9d6cfca07bc277ec48ec035b72b27fec7f49b4ca14657b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\iXMid.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1136
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe" /f
        3⤵
        • Adds Run key to start application
        PID:1520
    • C:\Users\Admin\AppData\Roaming\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Users\Admin\AppData\Roaming\winlogon.exe
        winlogon.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1744
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:344
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1016
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:396
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1108
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1828
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1372
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1680
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1040
      • C:\Users\Admin\AppData\Roaming\winlogon.exe
        C:\Users\Admin\AppData\Roaming\winlogon.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\iXMid.bat

    Filesize

    138B

    MD5

    4da6717f2c70f4bd32ad33a227a2ff47

    SHA1

    3d7f7159e1f695bd469287d1ad4ffa0841b407a8

    SHA256

    a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

    SHA512

    6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • C:\Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • \Users\Admin\AppData\Roaming\winlogon.exe

    Filesize

    268KB

    MD5

    b944905a26ee7be70559732e18a1cb8c

    SHA1

    413c2ab4cba1836213c4ea6a12d24281774827a1

    SHA256

    9e65547abebcd0149ee6cec4a556d773bd4d1d3b526d2c45022fe64e4b6e5d0b

    SHA512

    42931198e3f2dd7b264c29da7bfc97c28f5b23921ac5d7b31524ce4a59f0b02824ad2f98573871aed7a44e3d6c8589ad4bc3b920560534c44b9f09803de2d96c

  • memory/1120-84-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/1744-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1744-76-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1744-102-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1744-99-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1744-72-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1916-68-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/1916-56-0x0000000000400000-0x000000000057E000-memory.dmp

    Filesize

    1.5MB

  • memory/1916-57-0x0000000075A81000-0x0000000075A83000-memory.dmp

    Filesize

    8KB

  • memory/1968-78-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1968-87-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1968-100-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1968-85-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB