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
    11-10-2022 01:50

General

  • Target

    7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe

  • Size

    270KB

  • MD5

    666aceb8bde75266d139136e34cbff40

  • SHA1

    4b183b98bd9c19bcd9f3a3bb5a69301a8c72bd1f

  • SHA256

    7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f

  • SHA512

    8596e28b92656cc4a919ad1c9e391294b64674d7876e0d384e639ad048d0ce4c09e1c857e68655d124d37bec61e4f0aae891227f37c3b00a7f87c8835ae6078b

  • SSDEEP

    6144:kWfCbohHv6mC21AAf3os6SC+vyJ65FrD1yyIchVjz5GEKQVfjixoSE:tfuopvBCSfYdN6yE55D1yyIcVPqQVfjJ

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\7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe
    "C:\Users\Admin\AppData\Local\Temp\7178243ac9bbb97e7c14766c731a7ebe6a26be33394d8663b14547f43b3f695f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\ZPKaK.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:964
      • 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:1736
    • 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:2024
      • 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
        • Suspicious use of WriteProcessMemory
        PID:1760
        • 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:1804
          • 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:1960
        • 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:1884
          • 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:1488
        • 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:1516
          • 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:840
        • 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:1036
          • 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:856
      • 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:1864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    138B

    MD5

    4da6717f2c70f4bd32ad33a227a2ff47

    SHA1

    3d7f7159e1f695bd469287d1ad4ffa0841b407a8

    SHA256

    a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07

    SHA512

    6765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

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

    Filesize

    270KB

    MD5

    6311bf90fd1f668baa0c4b45c151faa6

    SHA1

    cc0d8e0cf8ae65bb614be4a21943f6666bb142bf

    SHA256

    30fc6b4503220164f80999f786add7fdae8304f95fcd3b9c78d196772703ade7

    SHA512

    5f2e69f10021b0259ce23ea5607c1ad65d93b966c7b63443a35589ef0942e62ef4cf61ed065e47ff17237ebb6bd9d20b0f089a8b371ab208cf9d4e5adf7f3ca5

  • memory/840-98-0x0000000000000000-mapping.dmp

  • memory/856-99-0x0000000000000000-mapping.dmp

  • memory/964-58-0x0000000000000000-mapping.dmp

  • memory/1036-96-0x0000000000000000-mapping.dmp

  • memory/1060-68-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/1060-57-0x0000000075021000-0x0000000075023000-memory.dmp

    Filesize

    8KB

  • memory/1060-56-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/1488-97-0x0000000000000000-mapping.dmp

  • memory/1516-94-0x0000000000000000-mapping.dmp

  • memory/1736-60-0x0000000000000000-mapping.dmp

  • memory/1760-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1760-101-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1760-74-0x000000000045AD20-mapping.dmp

  • memory/1760-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1760-73-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1804-92-0x0000000000000000-mapping.dmp

  • memory/1864-86-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-79-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-88-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-100-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1864-81-0x0000000000407450-mapping.dmp

  • memory/1884-93-0x0000000000000000-mapping.dmp

  • memory/1960-95-0x0000000000000000-mapping.dmp

  • memory/2024-85-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/2024-72-0x0000000000400000-0x000000000058E000-memory.dmp

    Filesize

    1.6MB

  • memory/2024-66-0x0000000000000000-mapping.dmp