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Analysis

  • max time kernel
    87s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 15:37

General

  • Target

    26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll

  • Size

    137KB

  • MD5

    6104d88fe032378df850355ad139cbd0

  • SHA1

    f0302259f1a1c23905a36127d744b426967b2023

  • SHA256

    26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38

  • SHA512

    633c328daf49778ad55a73df6be6c85fa7fd7eaa5629b9936642404867fe66bf1374e5d03a37dd8b3120b680cf8909b1c25928323054a150411955ea046fc28f

  • SSDEEP

    3072:8R02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUuX:J25GgFny61mraZ

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs

    Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

  • Sets service image path in registry 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2612
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\26c1bdfed569159ce8ade627e1ae7f49ac27735482e5e67956bc875e9ebe8a38N.dll,#1
      2⤵
      • Boot or Logon Autostart Execution: Port Monitors
      • Sets service image path in registry
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2900
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 228
        3⤵
        • Program crash
        PID:2904
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
    1⤵
      PID:1988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2900-4-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB