Analysis

  • max time kernel
    140s
  • max time network
    135s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    03/11/2024, 08:12

General

  • Target

    The_Moral_Sword_of_Asagi/wfAudio.dll

  • Size

    1.3MB

  • MD5

    e8ef96133fe3f49c5d13c94cb057ceee

  • SHA1

    20afa582538ba1c3ec67947e5e34f31ec2ae83fa

  • SHA256

    9df651fbd67e43aa6b894f35d5b30b260fefce730ec273c4f30694ca4ce9a4e1

  • SHA512

    e60fb592e7330bf50265bd0180dcb3a0a0ee2016d0821604ffc70c4b7051c4cf218b859f46c045221cadeed37e7b33a7f2e9d308b2dd740958f7ab51c38fa5e6

  • SSDEEP

    24576:H75/Pr3be36e1/GmidV2zggzoUCXFyMG+Nk9ZHUVguEVo:HRXo+rdV2zzzoUCbVkLiWo

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\The_Moral_Sword_of_Asagi\wfAudio.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\The_Moral_Sword_of_Asagi\wfAudio.dll,#1
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:580

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/580-0-0x0000000075350000-0x00000000756D8000-memory.dmp

          Filesize

          3.5MB

        • memory/580-1-0x0000000077CF6000-0x0000000077CF8000-memory.dmp

          Filesize

          8KB

        • memory/580-2-0x0000000075351000-0x0000000075380000-memory.dmp

          Filesize

          188KB

        • memory/580-3-0x0000000075350000-0x00000000756D8000-memory.dmp

          Filesize

          3.5MB

        • memory/580-4-0x0000000075350000-0x00000000756D8000-memory.dmp

          Filesize

          3.5MB

        • memory/580-5-0x0000000075350000-0x00000000756D8000-memory.dmp

          Filesize

          3.5MB

        • memory/580-6-0x0000000075350000-0x00000000756D8000-memory.dmp

          Filesize

          3.5MB

        • memory/580-7-0x0000000075350000-0x00000000756D8000-memory.dmp

          Filesize

          3.5MB