Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 10:43

General

  • Target

    2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe

  • Size

    2.2MB

  • MD5

    456f73e02e4ad4421a2479ef208e12fd

  • SHA1

    4454dbb4d39fc2726087e9f61bbb1e6c710b6d4f

  • SHA256

    9a74da0fd6a156cbcadcdb7c78e97d0e9c93e1a422791e2c686e1706adea4cfc

  • SHA512

    22bb0e0dd1a1609b5af45499ed11abfc3f78fc48eb1aa74f469a54c954ea25eeb35b1eb029accc23763aa5330e175b0136eee0d96c576fda9714adbf696619e0

  • SSDEEP

    49152:eNl7soq7sQCr1kyG2xHywRfHIO2Ts4bvD+l50VB2KPDnIOn:aD23S1kaxp9q+T0+0DnIOn

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\2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_456f73e02e4ad4421a2479ef208e12fd_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:5080
  • 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=4080 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3152

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5080-0-0x0000000140000000-0x0000000140247000-memory.dmp

      Filesize

      2.3MB

    • memory/5080-2-0x0000000001FC0000-0x0000000002020000-memory.dmp

      Filesize

      384KB

    • memory/5080-7-0x0000000001FC0000-0x0000000002020000-memory.dmp

      Filesize

      384KB

    • memory/5080-10-0x0000000001FC0000-0x0000000002020000-memory.dmp

      Filesize

      384KB

    • memory/5080-12-0x0000000140000000-0x0000000140247000-memory.dmp

      Filesize

      2.3MB