Analysis

  • max time kernel
    115s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 07:32

General

  • Target

    $PLUGINSDIR/UserInfo.dll

  • Size

    4KB

  • MD5

    7579ade7ae1747a31960a228ce02e666

  • SHA1

    8ec8571a296737e819dcf86353a43fcf8ec63351

  • SHA256

    564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

  • SHA512

    a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

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\UserInfo.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4716
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4716 -s 624
        3⤵
        • Program crash
        PID:1720
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4716 -ip 4716
    1⤵
      PID:1856
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4020,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8
      1⤵
        PID:4180

      Network

      MITRE ATT&CK Enterprise v15

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