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Overview

overview

5

Static

static

3

2024-04-04...uk.exe

windows7-x64

1

2024-04-04...uk.exe

windows10-2004-x64

5

Analysis

  • max time kernel
    143s
  • 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
    04/04/2024, 22:46

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General

  • Target

    2024-04-04_978dcb548b1250c14fd442df2ad0d3b1_ryuk.exe

  • Size

    1.8MB

  • MD5

    978dcb548b1250c14fd442df2ad0d3b1

  • SHA1

    c1fb9f66fcef6e157cf97b93960e7586636d4cb8

  • SHA256

    759a6c22000713cc777bed9736844374e1258ec3c364fac7fae2a7099deeeca5

  • SHA512

    e25b2a7a0e38caba7936b39d52432f4b03fc4c9a92d6133e736b231c678f511ebaa87dee8f8ecb849d950269c945c6b43be54a7a5b23e7c89dfb65bf313580e3

  • SSDEEP

    24576:1KjdRz0DzOswhCw45fCpmALmQjdjIucF93i0MzSkQ/7Gb8NLEbeZ:1KX0DzOswXkfymHQlIuQVkQ/qoLEw

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\2024-04-04_978dcb548b1250c14fd442df2ad0d3b1_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-04_978dcb548b1250c14fd442df2ad0d3b1_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4536
  • 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=4012 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1100

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4536-0-0x0000000000540000-0x00000000005A0000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4536-1-0x0000000140000000-0x00000001401E8000-memory.dmp

      Filesize

      1.9MB

      Download

    • memory/4536-8-0x0000000000540000-0x00000000005A0000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4536-10-0x0000000000540000-0x00000000005A0000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4536-12-0x0000000140000000-0x00000001401E8000-memory.dmp

      Filesize

      1.9MB

      Download