Analysis

  • max time kernel
    110s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    29/12/2021, 01:25

General

  • Target
    macosx.dll
  • Size 263KB
  • Sample211229-bszhkaedd5
  • SHA256 30f68d167e174241a0ba25c4ee1aa1dd46dc4758915b67f2568eb6a61ba5a3d7
  • MD5 SHA1 SHA512
Score
1/10

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\macosx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3620
    • C:\Windows\system32\cmd.exe
      cmd /c choice /n /c y /d y /t 7 > NUL & "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\macosx.dll", #1 YE4wU1wE UJzrG1wF & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4328
      • C:\Windows\system32\choice.exe
        choice /n /c y /d y /t 7
        3⤵
          PID:760
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\macosx.dll", #1 YE4wU1wE UJzrG1wF
          3⤵
            PID:1956

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/3620-115-0x0000000180000000-0x0000000180020000-memory.dmp