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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 23:21

General

  • Target

    9000b8a07cd2619399494357f934c7c601e8ace11617e79847b69ee8017d800c.exe

  • Size

    156KB

  • MD5

    0a94dcc9c9597999f002e07aed1ed3f0

  • SHA1

    d6b00b973044a07414c3773d9d453a434c3b8906

  • SHA256

    9000b8a07cd2619399494357f934c7c601e8ace11617e79847b69ee8017d800c

  • SHA512

    bfb65a9ca940dc66d5c7c6f6602b9d4c9b1ce0885011736a6516e91eae51610434457b4a750a9ebbc00f23e89032849a5eac009f4bf5a6da3971875b3c463954

  • SSDEEP

    3072:ZANPhL39GsZtSxch3Z1C5GbWyleXkbxy6cuH8Al4oQZiEjRl:2PhQsZ5b1OGbU0NBzXWpr

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9000b8a07cd2619399494357f934c7c601e8ace11617e79847b69ee8017d800c.exe
    "C:\Users\Admin\AppData\Local\Temp\9000b8a07cd2619399494357f934c7c601e8ace11617e79847b69ee8017d800c.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Users\Admin\weiujaj.exe
      "C:\Users\Admin\weiujaj.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3476
  • 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=3776 --field-trial-handle=2232,i,9772508353233483703,11473701862007458502,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4764

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\weiujaj.exe

      Filesize

      156KB

      MD5

      f37474c621c573fffde972e65282ea79

      SHA1

      5029b61b8d272daf264f7f96784db14edc025ffa

      SHA256

      832451d0b3e580d165a8a08838bf9b4494ea7f2f0e4769a9b0eebfa986545d45

      SHA512

      9c1aa0859769c0903146fcfc1495a265b16ad5ec5c45b1a73e78002dd48dd8b34e3d7367c0be7c2a54c17d60f317be2a395b55a07f20d8821be90bfd327b8518