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
    15/04/2024, 06:31

General

  • Target

    2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe

  • Size

    1.8MB

  • MD5

    94737fdaadaae137f5934e695d66e131

  • SHA1

    ad679d64d84137f31ebef60130e06f4b5a5883d2

  • SHA256

    158d5a09f34f4ad11456666267bd92786e622f8c2a96862510dd459d0e1e5bf6

  • SHA512

    c94d2ea024c533160321b0b428908f228c1d09fcabd664af5c059e3a912627241c5a2e3d736eb0c3e5f0a0a4adf5f647f595c53f82da3524e9ad685a389bfd42

  • SSDEEP

    49152:EKX0DzOswXkfymHQlIuQX8FD5nb2LLPrFmRY:mXNOkfjqID8F1b6TwY

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\2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-15_94737fdaadaae137f5934e695d66e131_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:8
  • 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=4144 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3272

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/8-1-0x00000000007F0000-0x0000000000850000-memory.dmp

      Filesize

      384KB

    • memory/8-0-0x0000000140000000-0x00000001401E8000-memory.dmp

      Filesize

      1.9MB

    • memory/8-7-0x00000000007F0000-0x0000000000850000-memory.dmp

      Filesize

      384KB

    • memory/8-10-0x00000000007F0000-0x0000000000850000-memory.dmp

      Filesize

      384KB

    • memory/8-12-0x0000000140000000-0x00000001401E8000-memory.dmp

      Filesize

      1.9MB