Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 19:33

General

  • Target
    a9b45d0250bca708c7fa98c52df136f0.exe
  • Size 1.7MB
  • Sample240107-x9ltpacfbl
  • SHA256 0727ce841eb96d4b9bee203e921514a55f22ad56d225be3f1bf1dd0572aed442
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9b45d0250bca708c7fa98c52df136f0.exe
    "C:\Users\Admin\AppData\Local\Temp\a9b45d0250bca708c7fa98c52df136f0.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\update\update.exe,"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2672
  • C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\update\update.exe,"
    1⤵
    • Modifies WinLogon for persistence
    PID:2124

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        memory/1752-1-0x0000000000F10000-0x00000000010CE000-memory.dmp

        memory/1752-2-0x0000000006140000-0x00000000066E4000-memory.dmp

        memory/1752-4-0x0000000005B90000-0x0000000005EE4000-memory.dmp

        memory/1752-5-0x0000000005F90000-0x000000000602C000-memory.dmp

        memory/1752-6-0x00000000060B0000-0x00000000060C0000-memory.dmp

        memory/1752-3-0x0000000005AB0000-0x0000000005B42000-memory.dmp

        memory/1752-0-0x0000000074620000-0x0000000074DD0000-memory.dmp

        memory/1752-7-0x00000000074E0000-0x0000000007508000-memory.dmp

        memory/1752-9-0x0000000007560000-0x0000000007582000-memory.dmp

        memory/1752-8-0x0000000007590000-0x00000000075F6000-memory.dmp

        memory/1752-10-0x00000000060B0000-0x00000000060C0000-memory.dmp

        memory/1752-11-0x0000000074620000-0x0000000074DD0000-memory.dmp

        memory/1752-12-0x00000000060B0000-0x00000000060C0000-memory.dmp

        memory/1752-13-0x00000000060B0000-0x00000000060C0000-memory.dmp