Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    05-04-2024 00:41

General

  • Target

    $PLUGINSDIR/lyinn.dll

  • Size

    26KB

  • MD5

    b7f9a167c3af210c5a0be8393b9f04e2

  • SHA1

    8e540308abf226139bf08c61fa21598c0eb055da

  • SHA256

    fd6451ef4e817f604a14be5ab85b5e9890a276ba877d38a9b9544c41ed4718a7

  • SHA512

    75a44e8939f23fa143b67fbd664b81758c0718343e7cb3836b5651bd87e0533d03973b34cbb7b03b50a1fb3828fb0ddf93b205f42e0c8198bfb575088dc9b128

  • SSDEEP

    384:CWt7vqwJ2B3uyRZ3rcg3b8WWA5oYjH8T9jwiXaqQUfkysX:1sBBH3I6WS78T5FX5fkv

Malware Config

Extracted

Family

azorult

C2

http://21slg.xyz/PL341/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\lyinn.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2848
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\lyinn.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\lyinn.dll,#1
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 196
          4⤵
          • Program crash
          PID:2356

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/944-1-0x0000000000090000-0x00000000000B0000-memory.dmp

    Filesize

    128KB

  • memory/944-4-0x0000000000090000-0x00000000000B0000-memory.dmp

    Filesize

    128KB

  • memory/944-9-0x0000000000090000-0x00000000000B0000-memory.dmp

    Filesize

    128KB

  • memory/944-7-0x0000000000090000-0x00000000000B0000-memory.dmp

    Filesize

    128KB

  • memory/1692-0-0x0000000074DE0000-0x0000000074DEA000-memory.dmp

    Filesize

    40KB

  • memory/1692-10-0x0000000074DE0000-0x0000000074DEA000-memory.dmp

    Filesize

    40KB