Analysis

  • max time kernel
    124s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:39

General

  • Target

    concrt140.dll

  • Size

    237KB

  • MD5

    9ad549c121108b3b1408a30bee325d08

  • SHA1

    898ffc728087861e619dababd8e65cc902276d06

  • SHA256

    263975e4f5afc90e91f9f601080b92c9fbc5e471132f63ad01c6c4f99b33b83a

  • SHA512

    9a9005acf2af86d6a0a95773e968d98e90b7e71e8e71d58949ff51aad49050dca57d94a19671b1b5026bd74e7b627f31d0c8a50bb66ab740d629022c3a95d579

  • SSDEEP

    6144:aLy1UNAZHA2nSG5LbEcutDsSaqiOHYb836TLLOeHFQyS9uLms12z/NpJ9yne:2hkH0Yb83KLxmuLmdzoe

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\concrt140.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\concrt140.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4332
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4332 -s 604
        3⤵
        • Program crash
        PID:4668
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4332 -ip 4332
    1⤵
      PID:4400
    • 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=1996,i,5469445176230119590,7931734017267321834,262144 --variations-seed-version --mojo-platform-channel-handle=3752 /prefetch:8
      1⤵
        PID:4808

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads