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Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 00:04

General

  • Target

    7c188d1a10d54a2ae7c73edf791fc3eda0091d5c2e417a34d2f2e8703e1e7ff0.dll

  • Size

    137KB

  • MD5

    437dacfde86b74e7192a6171f4f11612

  • SHA1

    f4ad766acc5bdb200b4013431fbf1414aaf10053

  • SHA256

    7c188d1a10d54a2ae7c73edf791fc3eda0091d5c2e417a34d2f2e8703e1e7ff0

  • SHA512

    0f30628a4c31baab7cbb95b11971aa14e199786ac970c21dea939e0df2b5dc1d97ba00d14166b4f6dd3aa116452a2f563ef4a6b9c2bb56fe56d4a7ddd043e498

  • SSDEEP

    3072:eR02WMK8RJGInTlhnaBanONVk40rpg4yeF/TyUGSK9FrafcUksPxx6iTUua:L25GgFny61mraQ

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c188d1a10d54a2ae7c73edf791fc3eda0091d5c2e417a34d2f2e8703e1e7ff0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c188d1a10d54a2ae7c73edf791fc3eda0091d5c2e417a34d2f2e8703e1e7ff0.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
      PID:2072
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 616
        3⤵
        • Program crash
        PID:2352
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 2072 -ip 2072
    1⤵
      PID:2532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2072-4-0x0000000043E50000-0x0000000043E77000-memory.dmp

      Filesize

      156KB