Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 00:31

General

  • Target

    MonsterBattle.dll

  • Size

    831KB

  • MD5

    5133d98fe9b7bccedce99a8bbe8cfed8

  • SHA1

    ad7e8efe4b22f5b833269e35be846bf1a2c30917

  • SHA256

    8905e18d5ceb13bef8972660a360431e5dc424961377e7cff14dbf80af386853

  • SHA512

    289f6f49ebc674fbde08a21d444d28a36de1105600629f344457c67767784fa9c397978e349ff95ca0298406afb5821a4e8fcd771ed784e4ac579b18becc2295

  • SSDEEP

    24576:8sRrjrNEZJn26sL6UAiTwbxtfnjTWtjjrATdH/KjmWtFecL9h:8K9EPnqLNFTwTbTW+dfsmmFzLz

Malware Config

Signatures

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\MonsterBattle.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\MonsterBattle.dll,#1
      2⤵
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 420
        3⤵
        • Program crash
        PID:2768

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2544-0-0x0000000001F30000-0x0000000002102000-memory.dmp

          Filesize

          1.8MB

        • memory/2544-1-0x0000000001F30000-0x0000000002102000-memory.dmp

          Filesize

          1.8MB

        • memory/2544-2-0x0000000001F31000-0x0000000001F59000-memory.dmp

          Filesize

          160KB

        • memory/2544-3-0x0000000001F30000-0x0000000002102000-memory.dmp

          Filesize

          1.8MB

        • memory/2544-4-0x0000000001F30000-0x0000000002102000-memory.dmp

          Filesize

          1.8MB

        • memory/2544-5-0x0000000000150000-0x000000000015E000-memory.dmp

          Filesize

          56KB

        • memory/2544-6-0x0000000001F30000-0x0000000002102000-memory.dmp

          Filesize

          1.8MB