Resubmissions

01-12-2024 18:15

241201-wwd19axqbx 10

01-12-2024 18:07

241201-wqgj7axpct 10

Analysis

  • max time kernel
    98s
  • max time network
    143s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    01-12-2024 18:15

General

  • Target

    $PLUGINSDIR/uac.dll

  • Size

    24KB

  • MD5

    861f7e800bb28f68927e65719869409c

  • SHA1

    a12bfcd2b9950e758ead281a9afbf1895bf10539

  • SHA256

    10a0e8cf46038ab3b2c3cf5dce407b9a043a631cbde9a5c8bcf0a54b2566c010

  • SHA512

    f2bf24a0da69bbe4b4a0f0b1bfc5af175a66b8bcc4f5cc379ed0b89166fa9ffe1e16206b41fca7260ac7f8b86f8695b76f016bb371d7642aa71e61e29a3976eb

  • SSDEEP

    384:5GVY6ClGoWxXH75T1WVl83lLsFIYiPWc+6AM+o/8E9VF0NyOk:tBWxXH9TYqlAyYiPjAMxkEH

Score
3/10

Malware Config

Signatures

  • 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\$PLUGINSDIR\uac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\uac.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 624
        3⤵
        • Program crash
        PID:4836
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4696 -ip 4696
    1⤵
      PID:4676

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads