Analysis

  • max time kernel
    125s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/08/2024, 01:00

General

  • Target
    TCCTL32.dll
  • Size 382KB
  • Sample240804-bc3kaa1ejp
  • SHA256 092c3ec01883d3b4b131985b3971f7e2e523252b75f9c2470e0821505c4a3a83
  • MD5 SHA1 SHA512 SSDEEP
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\TCCTL32.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\TCCTL32.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2196
  • 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=3924,i,3861745594156495651,17595114179815238301,262144 --variations-seed-version --mojo-platform-channel-handle=2508 /prefetch:8
    1⤵
      PID:4404

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads