Analysis

  • max time kernel
    134s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-05-2024 20:15

General

  • Target

    2024-05-29_d735e49467c77c6861131b5bf445d537_avoslocker.exe

  • Size

    1.3MB

  • MD5

    d735e49467c77c6861131b5bf445d537

  • SHA1

    f8ab282580c0d8745f3c7246d616aca1ed0b9866

  • SHA256

    441270d8659ffd001de6b42a47c6cb86d1ff471152d6e6950d668fb4fa26b08e

  • SHA512

    81ca439f1d68fa6675437e2ec49385fc8231548e7e8b33c92045b2023cb0cd594c6a875bebbb5be8cab950e5b2bc07a4912ab97047627d77a8ef5641e7666f34

  • SSDEEP

    24576:J2zEYytjjqNSlhvpfQiIhKPtehfQ7r9qySkbgedzayDcMkqQpRQmr/UN4MbN:JPtjtQiIhUyQd1SkFdz7DcMlQpRQQMKq

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-29_d735e49467c77c6861131b5bf445d537_avoslocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-29_d735e49467c77c6861131b5bf445d537_avoslocker.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:632
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    PID:3664
  • 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 --field-trial-handle=4124,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4040 /prefetch:8
    1⤵
      PID:3680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\System32\alg.exe

      Filesize

      661KB

      MD5

      ae104c64628ea1793b13db38494e6413

      SHA1

      ea7590c452cb90e66c185a4e674e516d1f958082

      SHA256

      839af881f3e625d43272b1ed546c656802d38556e0203d0d34f03d3da44e955a

      SHA512

      332dfb34e6ae2bcdf96c7bfed4a40c84989313360a772a8bc53d72d5d0ed751aae795f0d4b323d0a4028681b90f351aa24b1e4a23a65a734ffd6820529441ee6

    • memory/632-0-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/632-1-0x0000000000A20000-0x0000000000A87000-memory.dmp

      Filesize

      412KB

    • memory/632-7-0x0000000000A20000-0x0000000000A87000-memory.dmp

      Filesize

      412KB

    • memory/632-6-0x0000000000A20000-0x0000000000A87000-memory.dmp

      Filesize

      412KB

    • memory/632-18-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/3664-19-0x0000000140000000-0x00000001400AA000-memory.dmp

      Filesize

      680KB

    • memory/3664-20-0x0000000140000000-0x00000001400AA000-memory.dmp

      Filesize

      680KB