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Overview

overview

5

Static

static

3

2024-04-05...uk.exe

windows7-x64

1

2024-04-05...uk.exe

windows10-2004-x64

5

Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 12:12

Sharing

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General

  • Target

    2024-04-05_614d45a86a7e9b37afa074a5e2ff64ab_ryuk.exe

  • Size

    1.9MB

  • MD5

    614d45a86a7e9b37afa074a5e2ff64ab

  • SHA1

    feddc1c64ca0198e89231464e34ff7e3db2072a4

  • SHA256

    abad0619ebe950bc29e1c93d3ad5211e9fee52ce25295f3a011bb888f70a71a4

  • SHA512

    456c5d5273a12eabb8e82034d56aac3694e844e3d8fcdcc469dbdff67d9bef11be74eb133d3a700bbb72f4ad38ca2711d48be86f156cb1a564227f28f22ff17b

  • SSDEEP

    49152:/lOVDTtQY6SoNtaUJ67UnHpclbwbWAaJiwmqTjcoq8HNUPCAaq8Wdo0:gqSUHxqPFg8t4C7

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\2024-04-05_614d45a86a7e9b37afa074a5e2ff64ab_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-05_614d45a86a7e9b37afa074a5e2ff64ab_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4236
  • 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=3536 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3528

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4236-0-0x0000000140000000-0x0000000140201000-memory.dmp

      Filesize

      2.0MB

      Download

    • memory/4236-1-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4236-8-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4236-10-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4236-12-0x0000000140000000-0x0000000140201000-memory.dmp

      Filesize

      2.0MB

      Download