Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/04/2024, 10:47

General

  • Target

    2024-04-21_07094d8e4fa20696c3158c982c010a8c_ryuk.exe

  • Size

    2.0MB

  • MD5

    07094d8e4fa20696c3158c982c010a8c

  • SHA1

    9a262bd4c437106f601ceb43af7af71714703652

  • SHA256

    03229cc4e6adbc78c3c2ee68db295219eb21d6ab59eed4d60815b1953c46b86a

  • SHA512

    3bf22e827e432668f6b1581d6b5f77b64d19338fde5968fd1436840419a81c29378d486fee8643bbc13646e1ae4802f359e0d0d52a47b50f7f99201d8592759b

  • SSDEEP

    49152:Y1SpUNEHAtai3fP7bfbx5Wf1R6bJ11DTKDcCbd5/IbsT0:vi3fP7jbhU0bs

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-21_07094d8e4fa20696c3158c982c010a8c_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-21_07094d8e4fa20696c3158c982c010a8c_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1380
  • 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=1404 --field-trial-handle=2256,i,6670388345726423024,18382795228658886258,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4668

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1380-0-0x00000000020B0000-0x0000000002110000-memory.dmp

      Filesize

      384KB

    • memory/1380-1-0x0000000140000000-0x000000014020A000-memory.dmp

      Filesize

      2.0MB

    • memory/1380-8-0x00000000020B0000-0x0000000002110000-memory.dmp

      Filesize

      384KB

    • memory/1380-10-0x00000000020B0000-0x0000000002110000-memory.dmp

      Filesize

      384KB

    • memory/1380-12-0x0000000140000000-0x000000014020A000-memory.dmp

      Filesize

      2.0MB