Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 02:06

General

  • Target

    Ad Muncher/AM30400.dll

  • Size

    180KB

  • MD5

    1a554966b8782dd4d6ca7d5396c32485

  • SHA1

    fb6d2a0408f1becb0ae06c68b87afa9f5ab1257c

  • SHA256

    46f15c43a9dd8614b7c35709039614eb0d01581ccc15df67e6725e28e970350c

  • SHA512

    9507b48885118ea1893521b0bc0fad0c29364ab31386fa91f693a6be6e6c65399c8bb1dbeab18ae1fbbd54fc4497247b276842516157dd4681d5d64d1c65fed7

  • SSDEEP

    3072:UeXvY9KFEwBuZ8UaFPmgRMNlPTGQQm6ytwZEsrYkK4yeA:UeAI98gWNlPTGQQm6agrd4

Malware Config

Signatures

  • 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.

  • 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 use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Ad Muncher\AM30400.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Ad Muncher\AM30400.dll",#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3024
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 236
        3⤵
        • Program crash
        PID:2632

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3024-3-0x000000000015F000-0x0000000000160000-memory.dmp

          Filesize

          4KB

        • memory/3024-4-0x0000000000140000-0x0000000000181000-memory.dmp

          Filesize

          260KB

        • memory/3024-2-0x0000000000140000-0x0000000000181000-memory.dmp

          Filesize

          260KB

        • memory/3024-1-0x0000000000130000-0x0000000000171000-memory.dmp

          Filesize

          260KB

        • memory/3024-0-0x0000000000130000-0x0000000000171000-memory.dmp

          Filesize

          260KB

        • memory/3024-5-0x0000000000140000-0x0000000000181000-memory.dmp

          Filesize

          260KB

        • memory/3024-6-0x0000000000130000-0x0000000000171000-memory.dmp

          Filesize

          260KB

        • memory/3024-7-0x000000000015F000-0x0000000000160000-memory.dmp

          Filesize

          4KB

        • memory/3024-8-0x0000000000140000-0x0000000000181000-memory.dmp

          Filesize

          260KB

        • memory/3024-10-0x0000000000140000-0x0000000000181000-memory.dmp

          Filesize

          260KB