Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 14:30

General

  • Target

    25b46e60abbd3f90b65877dbfc383387.exe

  • Size

    248KB

  • MD5

    25b46e60abbd3f90b65877dbfc383387

  • SHA1

    cc9116e7a0082caf02ebe98a46df6957bf7d1673

  • SHA256

    ea6c6568a6b8528643a1658d98847631a0520984bad784fdfa511cf27cd8fe01

  • SHA512

    60aae3b70c31ca5203ae81952ed092fe1255a48d0d5044c5aaf1ab3be764fb861e8f7bb40c03eeac061805269c073b4bb9429a1c6c3835e62c3c28dbbd64e837

  • SSDEEP

    6144:S1pLrJEG3ILN6WU+sSpk/w4vZsGouJw0Msu:ipLrrILN6WZl6/fqGjfu

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 14 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe
    "C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\Cyanide.exe
      "C:\Users\Admin\AppData\Local\Temp\Cyanide.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Users\Admin\AppData\Roaming\msconfig.exe
        "C:\Users\Admin\AppData\Roaming\msconfig.exe"
        3⤵
        • Modifies firewall policy service
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:2796
    • C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe
      C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe
      2⤵
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2728
      • 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\R8YRU5VA86.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\R8YRU5VA86.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2696
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2652
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3004
      • 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
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2544
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2656
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\25b46e60abbd3f90b65877dbfc383387.exe:*:Enabled:Windows Messanger" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2608
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\R8YRU5VA86.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\R8YRU5VA86.exe:*:Enabled:Windows Messanger" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2556
  • C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    1⤵
    • Modifies firewall policy service
    • Modifies registry key
    PID:2580

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\Cyanide.exe

          Filesize

          21KB

          MD5

          63cf5b56b86cf1c19b6fb2ed66159851

          SHA1

          f213670b83d0dbbf8177d3b40e6808e5240de80e

          SHA256

          f4993f40cc50ae6caef81361bbd535f0378577e502d47b72cbfbb3d6b855f150

          SHA512

          b81d8fb410f9c1b4855a9ea640492ebcd7d1acc7c9f142531e3d51b0bd8a7c0021ab9f9686b06a7860903c50cdc85d4ad67beb65c21678b71f7bbce50687367f

        • memory/2440-18-0x0000000000400000-0x0000000000444188-memory.dmp

          Filesize

          272KB

        • memory/2440-11-0x0000000000730000-0x0000000000775000-memory.dmp

          Filesize

          276KB

        • memory/2440-0-0x0000000000400000-0x0000000000444188-memory.dmp

          Filesize

          272KB

        • memory/2728-47-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-44-0x00000000759E0000-0x0000000075A80000-memory.dmp

          Filesize

          640KB

        • memory/2728-16-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-14-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-19-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-20-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-21-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-39-0x00000000770F1000-0x00000000770F2000-memory.dmp

          Filesize

          4KB

        • memory/2728-60-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-56-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-43-0x00000000759E0000-0x0000000075A80000-memory.dmp

          Filesize

          640KB

        • memory/2728-10-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-38-0x0000000074E20000-0x0000000074F30000-memory.dmp

          Filesize

          1.1MB

        • memory/2728-46-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-13-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-51-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-52-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-54-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2728-55-0x0000000000400000-0x0000000000473000-memory.dmp

          Filesize

          460KB

        • memory/2796-42-0x0000000000230000-0x0000000000239000-memory.dmp

          Filesize

          36KB

        • memory/2796-40-0x0000000000230000-0x0000000000239000-memory.dmp

          Filesize

          36KB