Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/12/2023, 15:01

General

  • Target

    02b85f76e742a8b641c9958ad308d434.exe

  • Size

    286KB

  • MD5

    02b85f76e742a8b641c9958ad308d434

  • SHA1

    dba8f7fef137c9cbece065a13b9a043a6d4eeed4

  • SHA256

    8c6ea1c2182690d78b48d944c7ad3a1752f87f8df56e49de5cc6371db3fd0ce1

  • SHA512

    eea52574679d3a31e7eaac9b497a0417a7036dcdb365471b07bdac3577cde44e2860771ee823c53f227b01757ec4d40bec6004d9bd366d773453a008675dda22

  • SSDEEP

    6144:6rhoyWGeqkKyOPWV+TJIE2nG3vcGLlEiQ6mFwYZ9QgzZ3foSv:soTKyrWSnG3EGZEkmFwYZRzpoSv

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 21 IoCs

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

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

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

  • 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\02b85f76e742a8b641c9958ad308d434.exe
    "C:\Users\Admin\AppData\Local\Temp\02b85f76e742a8b641c9958ad308d434.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\oRbeL.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WindowsDef" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe" /f
        3⤵
        • Adds Run key to start application
        PID:1204
    • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
      "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2716
      • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2536
        • 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:596
          • 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:868
        • 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\Directory\WindowsDef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:592
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:1396
        • 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:780
          • 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:1132
        • 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\Sexy.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Sexy.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:240
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Sexy.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Sexy.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • Modifies registry key
            PID:2860
      • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    152B

    MD5

    12506b1a3ef0e7dcef2babaaecfb81e8

    SHA1

    9564f2c31b336dab739e74cceedb5e4d07c2a563

    SHA256

    3922b88903f6e7a4cd1e9cee92f9a0de6f0cd28a4a6db73114e320fa7cbf8c8a

    SHA512

    cbf0ade56c9961edcf8018f8e1654446e17c863e8df98a78b781b4b91ca87a9ab3b1532376f245c678f6f9e00771d74dba99e0fee237ebf3f4a69473d57f0dec

  • C:\Users\Admin\AppData\Roaming\Directory\WindowsDef.exe

    Filesize

    286KB

    MD5

    4c5c69ccae7ad9422b0693080e558fd5

    SHA1

    5504517c36c7786ad61aed4fbdec980511228a93

    SHA256

    3733836ff3e1b42bdabc6609e254e1e556a49cf004f660878c0ae35f27bb5d52

    SHA512

    d937c899d22b36f1a0f4398294e398f38ca4d6fd3b12cac55607cc4b484d88b8c7bb0d8961899414422eca3e1988e1dc0379da4841341c0ea5de534bdd79dc22

  • memory/2536-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-58-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-100-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-93-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-88-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-50-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-86-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-79-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2536-53-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2596-60-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2596-59-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2596-71-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2596-62-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2596-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2716-64-0x0000000000400000-0x00000000005FB000-memory.dmp

    Filesize

    2.0MB

  • memory/2716-48-0x0000000000400000-0x00000000005FB000-memory.dmp

    Filesize

    2.0MB

  • memory/2912-42-0x0000000002FC0000-0x00000000031BB000-memory.dmp

    Filesize

    2.0MB

  • memory/2912-72-0x0000000002FC0000-0x00000000031BB000-memory.dmp

    Filesize

    2.0MB

  • memory/2912-0-0x0000000000400000-0x00000000005FB000-memory.dmp

    Filesize

    2.0MB

  • memory/2912-45-0x0000000000400000-0x00000000005FB000-memory.dmp

    Filesize

    2.0MB

  • memory/2912-43-0x0000000002FC0000-0x00000000031BB000-memory.dmp

    Filesize

    2.0MB