Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/12/2024, 16:31

General

  • Target

    1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0.dll

  • Size

    76KB

  • MD5

    b7257e366383e679d19968fc4c418991

  • SHA1

    a91ef28bbaa6c124d07cc7c9bf86eb1aee07a1d6

  • SHA256

    1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0

  • SHA512

    c1109797686062aff8a7eb8d5228e3ae1d8668ef5d0e49a424b2280fd321368e7170ee17ce861a663c77ef0c1f46232e013681f3e9b868e1d9fa457a3ca0a64f

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJ:c8y93KQjy7G55riF1cMo03f

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1816841d3dfd2c09866b3a1b2cd7f5428c003169deba8299175c36c7fad481e0.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 712
        3⤵
        • Program crash
        PID:3428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 456 -ip 456
    1⤵
      PID:4544

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/456-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/456-1-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB