Analysis

  • max time kernel
    101s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 06:10

General

  • Target

    5ef696cfbdb451ed982b85adc2cdd860N.dll

  • Size

    76KB

  • MD5

    5ef696cfbdb451ed982b85adc2cdd860

  • SHA1

    6b032eb5e4aa6dad9de4e06a3ea04f0dd5ef83b0

  • SHA256

    23a9ecba1f0123a78a674b9c4d4465dd354310911d23cd87e58442d8e2c17b7e

  • SHA512

    931ac5a5ad28183bccf818cbcde55ecf6e12402f2818ab6f57f7bc17e4cb4b104aa0b088580aa7ea96b4387b7c7deb816e81011d8f2fed3097d747a4ee22f8e9

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z8JN/:c8y93KQjy7G55riF1cMo03KJN/

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\5ef696cfbdb451ed982b85adc2cdd860N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5ef696cfbdb451ed982b85adc2cdd860N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4968
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 668
        3⤵
        • Program crash
        PID:3192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4968 -ip 4968
    1⤵
      PID:4920

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4968-0-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/4968-1-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB