Analysis

  • max time kernel
    155s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 09:02

General

  • Target

    573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585.exe

  • Size

    52KB

  • MD5

    2a72c920d64a878511682e43c87e5270

  • SHA1

    cbe0118c82ff55d37575d1d0070a1d9cec07c229

  • SHA256

    573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585

  • SHA512

    24ab2e61fae46dcd384f87458ffef3cc0ae7a558a1e27cfd98d48fa6c322b3de504d6ac0f2a12a7e57e2cc51a74996d24a8688860d3e0385f0c75cac8f13d6ec

  • SSDEEP

    768:iMJDmX0vMs3i6EJnXPUWPYf4c/AS3qERQpTn3b:vIX23i6ExX1bOEpv

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585.exe
    "C:\Users\Admin\AppData\Local\Temp\573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Windows\SysWOW64\REG.exe
      REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinShell /t REG_SZ /d C:\WinShell\WinSeven.exe /f
      2⤵
      • Adds Run key to start application
      • Modifies registry key
      PID:2700
    • C:\WinShell\WinSeven.exe
      C:\WinShell\WinSeven.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:436
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinShell /t REG_SZ /d C:\WinShell\WinSeven.exe /f
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:5064

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\taskhost.exe

    Filesize

    52KB

    MD5

    2a72c920d64a878511682e43c87e5270

    SHA1

    cbe0118c82ff55d37575d1d0070a1d9cec07c229

    SHA256

    573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585

    SHA512

    24ab2e61fae46dcd384f87458ffef3cc0ae7a558a1e27cfd98d48fa6c322b3de504d6ac0f2a12a7e57e2cc51a74996d24a8688860d3e0385f0c75cac8f13d6ec

  • C:\WinShell\WinSeven.exe

    Filesize

    52KB

    MD5

    2a72c920d64a878511682e43c87e5270

    SHA1

    cbe0118c82ff55d37575d1d0070a1d9cec07c229

    SHA256

    573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585

    SHA512

    24ab2e61fae46dcd384f87458ffef3cc0ae7a558a1e27cfd98d48fa6c322b3de504d6ac0f2a12a7e57e2cc51a74996d24a8688860d3e0385f0c75cac8f13d6ec

  • C:\WinShell\WinSeven.exe

    Filesize

    52KB

    MD5

    2a72c920d64a878511682e43c87e5270

    SHA1

    cbe0118c82ff55d37575d1d0070a1d9cec07c229

    SHA256

    573104c3c9b6716d1dd1f9fc87f205aaf26d8a679cd8e9b360dc84dceb17c585

    SHA512

    24ab2e61fae46dcd384f87458ffef3cc0ae7a558a1e27cfd98d48fa6c322b3de504d6ac0f2a12a7e57e2cc51a74996d24a8688860d3e0385f0c75cac8f13d6ec

  • memory/436-133-0x0000000000000000-mapping.dmp

  • memory/2700-132-0x0000000000000000-mapping.dmp

  • memory/5064-136-0x0000000000000000-mapping.dmp