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Analysis

  • max time kernel
    142s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 03:08

General

  • Target

    $SYSDIR/avfilter-lav-2.dll

  • Size

    135KB

  • MD5

    80687813509ba2d2a686b2a401bb4373

  • SHA1

    6b6d3d4540df94f0836830aae8624207f6427c0d

  • SHA256

    7e4b9aca83143c0902f217f7c7b36fddd03868c4d637587247109fc0257f5ec6

  • SHA512

    111321aaefba9f7cfc960f505bbb0f42cd5af6617fd4b34125b2ac34cd8db97b9db1b86de2fe41088f28cd439547eed5e6820b90eb5af796945c45fc0161d2a5

  • SSDEEP

    1536:XfmRcmuw26XVEGmaN717CHlszMVRGti+dGF0Wd7yxqJRcnkEthQtZEGEilnYgMk4:uRcPwGaN717SVii+dEpyx+EBkr2b1P

Score
3/10

Malware Config

Signatures

  • 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\$SYSDIR\avfilter-lav-2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\avfilter-lav-2.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:904
  • 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=4188,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=3996 /prefetch:8
    1⤵
      PID:2024

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/904-51-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-52-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-66-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-129-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-136-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-65-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-64-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-62-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-61-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-60-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-59-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-58-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-57-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-56-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-55-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-54-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-53-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-63-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-49-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-47-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-46-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-45-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-44-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-43-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-42-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-41-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-40-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-39-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-38-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-37-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-36-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-35-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-34-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-33-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-32-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-31-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-30-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-28-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-27-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-26-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-25-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-23-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-21-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-22-0x0000000071104000-0x0000000071140000-memory.dmp

      Filesize

      240KB

    • memory/904-20-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-19-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-18-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-17-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-16-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-15-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-14-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-13-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-12-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-11-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-10-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-9-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-8-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-7-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-1-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-0-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-48-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-29-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-6-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-5-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-4-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-3-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB

    • memory/904-2-0x0000000071100000-0x0000000071156000-memory.dmp

      Filesize

      344KB