Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31/10/2024, 05:40

General

  • Target

    4bf4716f676a2f04988b968c5004fe83d363f1e11d09fdb9071a780116eabe89N.dll

  • Size

    137KB

  • MD5

    6e93d2f5ffab3061e8e01fa7e356f270

  • SHA1

    192f27b3b11a0f2c10790830fa15cb23cefb084c

  • SHA256

    4bf4716f676a2f04988b968c5004fe83d363f1e11d09fdb9071a780116eabe89

  • SHA512

    25a6acb46814f89c9c38e230c8539dc7350fb3b98dee63d59f7dd2e69e5c225de678ae047fefaff7ad96f1d096721355e568efde6afa56bf252f844a55ffa7c2

  • SSDEEP

    3072:NR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUu:A25GgFny61mra

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\4bf4716f676a2f04988b968c5004fe83d363f1e11d09fdb9071a780116eabe89N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2668
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bf4716f676a2f04988b968c5004fe83d363f1e11d09fdb9071a780116eabe89N.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:2340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 228
        3⤵
        • Program crash
        PID:1524
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
    1⤵
      PID:2332

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/2340-4-0x0000000043E50000-0x0000000043E77000-memory.dmp

            Filesize

            156KB