Overview

overview

5

Static

static

3

2024-04-21...uk.exe

windows7-x64

1

2024-04-21...uk.exe

windows10-2004-x64

5

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, 21:35

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General

  • Target

    2024-04-21_6659326c6d1fc153a0e3f37623651e6e_ryuk.exe

  • Size

    2.4MB

  • MD5

    6659326c6d1fc153a0e3f37623651e6e

  • SHA1

    c745efdd2933da9c453f6bebea4c222b094dfff0

  • SHA256

    5e964982ba84f7fd00f4c43f06ac35e282f4a0a71de5cac5f5add68b4540d03e

  • SHA512

    44f0618fb85dfe6d4ae790494ebcf4875daeb640d5bc9eba6ebd4338c36a7ec955629b522169b5417133089255acb84d640cb58b2b1ef06cb48e3d205d271b5e

  • SSDEEP

    49152:SPHRuYyHd9DY3nB+loDfUmhrAhyTUjjhlj+lOJXF6ht:3Y+9KB+lHmhL6EkJXF0

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_6659326c6d1fc153a0e3f37623651e6e_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-21_6659326c6d1fc153a0e3f37623651e6e_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4060
  • 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=4112 --field-trial-handle=2292,i,2103142837140538807,15881446839139365070,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4000

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4060-0-0x0000000000510000-0x0000000000570000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4060-1-0x0000000140000000-0x0000000140285000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/4060-7-0x0000000000510000-0x0000000000570000-memory.dmp

      Filesize

      384KB

      Download

    • memory/4060-11-0x0000000140000000-0x0000000140285000-memory.dmp

      Filesize

      2.5MB

      Download

    • memory/4060-9-0x0000000000510000-0x0000000000570000-memory.dmp

      Filesize

      384KB

      Download