Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 01:57

General

  • Target

    2bc68cb6d702f6e11d5df761da13d323012912421c6fb32c7a0e32847e0ea6d6.exe

  • Size

    5.4MB

  • MD5

    2cf8e658c125ab577a4796a7e58e03ae

  • SHA1

    ad6e809d428862584d327f570693effd223c9944

  • SHA256

    2bc68cb6d702f6e11d5df761da13d323012912421c6fb32c7a0e32847e0ea6d6

  • SHA512

    9cfff2e8c7ff373c9d39dc563e80773c0a2b727f76aeea17e1cb6877afe1c55067f92076ed2c20164b21a9ad3dcc00948c01ee40de68ea30d8db67d2aa8de5fb

  • SSDEEP

    98304:n2kVbc4gkJBAUZLDATC2oLbxLeORVOumgkGUa0o:lwDkJV/AG2oLb0OHmWn0o

Malware Config

Signatures

  • detect oss ak 7 IoCs

    oss ak information detected.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bc68cb6d702f6e11d5df761da13d323012912421c6fb32c7a0e32847e0ea6d6.exe
    "C:\Users\Admin\AppData\Local\Temp\2bc68cb6d702f6e11d5df761da13d323012912421c6fb32c7a0e32847e0ea6d6.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Users\Admin\AppData\Local\Temp\2bc68cb6d702f6e11d5df761da13d323012912421c6fb32c7a0e32847e0ea6d6.exe
      C:\Users\Admin\AppData\Local\Temp\2bc68cb6d702f6e11d5df761da13d323012912421c6fb32c7a0e32847e0ea6d6.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2948
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /delete /tn WindowsMediaPlayer /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2836
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /delete /tn WindowsMediaPlayer /f
        3⤵
          PID:1576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c schtasks /create /tn WindowsMediaPlayer /tr "\"C:\Program Files\Windows Media Player\wmplayer\wmplayer.exe\"" /SC ONLOGON /delay 0000:03 /RL HIGHEST
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2360
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn WindowsMediaPlayer /tr "\"C:\Program Files\Windows Media Player\wmplayer\wmplayer.exe\"" /SC ONLOGON /delay 0000:03 /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2708
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /d 1 /t REG_DWORD /f
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2740
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /d 1 /t REG_DWORD /f
          3⤵
            PID:2668
        • C:\Program Files\Windows Media Player\wmplayer\wmplayer.exe
          "C:\Program Files\Windows Media Player\wmplayer\wmplayer.exe"
          2⤵
          • Executes dropped EXE
          • Enumerates connected drives
          • Suspicious use of SetThreadContext
          • Drops file in Windows directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2616
          • C:\Windows\SysWOW64\svchost.exe
            C:\Windows\System32\svchost.exe
            3⤵
            • Enumerates connected drives
            • Writes to the Master Boot Record (MBR)
            • Drops file in Program Files directory
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:2692

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Persistence

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Privilege Escalation

      Scheduled Task/Job

      1
      T1053

      Scheduled Task

      1
      T1053.005

      Defense Evasion

      Pre-OS Boot

      1
      T1542

      Bootkit

      1
      T1542.003

      Discovery

      Query Registry

      1
      T1012

      Peripheral Device Discovery

      1
      T1120

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\RECYCLE.BIN
        Filesize

        463B

        MD5

        d80c93252b25b8d1b73c3c33d829e272

        SHA1

        e90ed95a08585b71f9f22b46d2bfb4d2ce13edc7

        SHA256

        0fd4ff0abffd1dc281bdfeac46df6a48dfc0cb7ed129726eb1abba5a2987447c

        SHA512

        a362a3338676ddb8b05e226ab6026759d25331dc7ab528e6e852dc1a84a09a6eeb73d5c6a731cc2428d491654cb381b2b81320bdc361ad033db0a4a70fb8c911

      • C:\Windows\RECYCLE.BIN
        Filesize

        532B

        MD5

        ef0eb3bf0176e59ed7025e27e1a07d81

        SHA1

        bc00ff141dd12ce60ee2e1b3b115700ea4bfcdff

        SHA256

        0c97abe8babae040749aed28eb33743e608e9f20cae5d27304501ed630969772

        SHA512

        4de1cef3b6a0f2cb938ebe51145884e9825ad7becafc0b50ab8ab76ed3c52d5845df21da54feddec3d7faf0afac4d303ab7e946bb9b772bd9d76b2b9082fef68

      • \Program Files\Windows Media Player\wmplayer\wmplayer.exe
        Filesize

        3.4MB

        MD5

        785124e9e0ab753f092765d87db2e6c5

        SHA1

        134dc470100b161a9d532608525d81a7e4abb671

        SHA256

        8c597cb6a277c0a0527bf287cb1612ab8a70df4b938603eaaf3f404bbd90d336

        SHA512

        bf48d9cb3179c4aa1a2d91798c22a58532f31d36194a52c195aa138773e97359e07d82c3679547e299f10a4dc261712a9ee1c8c8e51037c63251dc00d713477b

      • memory/2692-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
        Filesize

        4KB

      • memory/2692-20-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-42-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-18-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-29-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-26-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-25-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-22-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-19-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB

      • memory/2692-43-0x0000000000400000-0x00000000007CA000-memory.dmp
        Filesize

        3.8MB