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Overview

overview

5

Static

static

3

2024-04-19...uk.exe

windows7-x64

5

2024-04-19...uk.exe

windows10-2004-x64

5

Analysis

  • max time kernel
    139s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 10:27

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General

  • Target

    2024-04-19_9356e29e0886134b47a7cea4c1d12223_cobalt-strike_ryuk.exe

  • Size

    994KB

  • MD5

    9356e29e0886134b47a7cea4c1d12223

  • SHA1

    f13635bab18d1296e41930b9fe91eeaace9a233a

  • SHA256

    f7ba16f406b37edb6cdd93e0796d7e9854330797a5eda43bc731de5e10817c92

  • SHA512

    65b7da80196cf1f22f25028342548ba061dd4f3993e6c3fc0b5e6f167beb6519ff08fdfb9a0e55f2c9fc0d7dcaf85ce3de9d03417ed28f38ac10b88e91a545d5

  • SSDEEP

    12288:KUGqQLlK62UJsp77YPmRcbo7cREtMTmkJR4Do07Y86gw5CtCjX+NLuFhNpBeZT3X:zYRO7Y2cb+cREOSkQ/7Gb8NLEbeZ

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\2024-04-19_9356e29e0886134b47a7cea4c1d12223_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-19_9356e29e0886134b47a7cea4c1d12223_cobalt-strike_ryuk.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    PID:5060
  • 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=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4912

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/5060-1-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/5060-8-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/5060-7-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/5060-0-0x0000000140000000-0x0000000140101000-memory.dmp

      Filesize

      1.0MB

      Download

    • memory/5060-11-0x0000000000730000-0x0000000000790000-memory.dmp

      Filesize

      384KB

      Download

    • memory/5060-13-0x0000000140000000-0x0000000140101000-memory.dmp

      Filesize

      1.0MB

      Download