Analysis

  • max time kernel
    124s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    16/11/2021, 11:23

General

  • Target
    Attachments_1.dll
  • Size 223KB
  • Sample211116-ng7e9adee7
  • SHA256 e192593ff1df7a3d24cc9463fdcde0b39b49a26816da608d50960da3131e2e36
  • 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\Attachments_1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\system32\cmd.exe
      cmd /c choice /c y /d y /t 7 & "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Attachments_1.dll", #1 YE4wU1wE UJzrG1wF & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\system32\choice.exe
        choice /c y /d y /t 7
        3⤵
          PID:3148
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Attachments_1.dll", #1 YE4wU1wE UJzrG1wF
          3⤵
            PID:1888

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/1888-122-0x00000253BFFC0000-0x00000253BFFDF000-memory.dmp

            memory/3440-118-0x0000013772EA0000-0x0000013772EBF000-memory.dmp