Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 06:44

General

  • Target

    $PLUGINSDIR/SysHelper.dll

  • Size

    104KB

  • MD5

    54e48b32891fae5ba08f1938a2f34c55

  • SHA1

    7a888ef110b8cb53e55d5477b3bc2dd318f172ae

  • SHA256

    a0d13573fb0d644777f4c79e6b7fb984b2f7268d573c855c62d7503376bc19a1

  • SHA512

    e7d9c72a6e7b5e79b527faa7ac3d7d7d47c10ec581d75c1dd7e38ee08037592eb5db13b1db603e3343b712246fec3538c37c7f89adc510d6cbd5caa2747e1bcc

  • SSDEEP

    1536:RnAJFUH4DKhgKhy/7xkuGtMNa+OhDTYRm7iEhtMUpmdyKdjSOo5xUy:RnAJFUHXVyjxkuGCNa+OLA9ygjSOoTU

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\SysHelper.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\SysHelper.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4976 -s 628
        3⤵
        • Program crash
        PID:4420
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4976 -ip 4976
    1⤵
      PID:4836
    • 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=1284,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=4400 /prefetch:8
      1⤵
        PID:1668

      Network

      MITRE ATT&CK Enterprise v15

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      Downloads