Analysis

  • max time kernel
    140s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 08:35

General

  • Target

    Screenshots.lnk

  • Size

    2KB

  • MD5

    98ad35d66db0a9f14cc373a13ecba8e1

  • SHA1

    b365699da4a42660e980417617dd76726aabe5c6

  • SHA256

    25cbfe5762a383d9f616feddcf4122f6b1676a201c2a97074d6e4b6c336629c5

  • SHA512

    a63609e51c937e4c8832a061999da2a6171f4a01dbdc4ea8ba8378aed89e1435fb801c8cb17ceeb924c2694937e7dbc48131ecd2143b13cb4e78b1b1221d6fca

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Screenshots.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4392
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c c:\windows\explorer.exe %CD%__TEMP\Microsoft.SharePoint.NativeMessagingClient.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4916
      • \??\c:\windows\explorer.exe
        c:\windows\explorer.exe C:\Users\Admin\AppData\Local\Temp__TEMP\Microsoft.SharePoint.NativeMessagingClient.exe
        3⤵
          PID:4372
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:3684
    • 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 --no-appcompat-clear --mojo-platform-channel-handle=3964 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1944

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Modify Registry

      1
      T1112

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads