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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 17:33

General

  • Target

    2024-07-04_691264b4f9e71017c44f3586070a4b7f_avoslocker.exe

  • Size

    1.3MB

  • MD5

    691264b4f9e71017c44f3586070a4b7f

  • SHA1

    a027ea3c276c72bb833f57c82d84e7af1126aea9

  • SHA256

    482977f57990f050283d46ce5c5ed2ef1af09dc87228c08f89c0d77d50b9743d

  • SHA512

    2a0f0c304a8555c45cf88fb9ba965de6e1a530bbab91664f8ff8eff78cbbfeb60f7d163ccbb623e5f175e5d5c5da7af5cecd6d140c78c6616be66eb997e8a938

  • SSDEEP

    24576:+2zEYytjjqNSlhvpfQiIhKPtehfQ7r9qySkbged3TduSZpUR0GHrVQ1aW4mSOgv6:+PtjtQiIhUyQd1SkFdJpAHrVQ1/fSNvi

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 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\2024-07-04_691264b4f9e71017c44f3586070a4b7f_avoslocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-04_691264b4f9e71017c44f3586070a4b7f_avoslocker.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:1376
  • C:\Windows\System32\alg.exe
    C:\Windows\System32\alg.exe
    1⤵
    • Executes dropped EXE
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\System32\alg.exe

    Filesize

    644KB

    MD5

    a821e0ad6fe89c2a535cc91b089d4a2f

    SHA1

    9b6bd2e67911c6c4309424661806976ee00dfc60

    SHA256

    2def7fe3c32c96fdaf609d80222efe5d19ac5d54a061278773c1c399fab9072f

    SHA512

    4447c6cb7f52005fe44506d72015c6e9dd76510a778692f2b8848914a973ec8b5e50064c44f8ae1b6eea2a8ad5de946b55e2f6a685d54f6e52205ef08c1ae81c

  • memory/1376-0-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB

  • memory/1376-1-0x0000000000240000-0x00000000002A7000-memory.dmp

    Filesize

    412KB

  • memory/1376-8-0x0000000000240000-0x00000000002A7000-memory.dmp

    Filesize

    412KB

  • memory/1376-20-0x0000000000400000-0x0000000000554000-memory.dmp

    Filesize

    1.3MB

  • memory/2648-17-0x0000000100000000-0x00000001000A4000-memory.dmp

    Filesize

    656KB

  • memory/2648-21-0x0000000100000000-0x00000001000A4000-memory.dmp

    Filesize

    656KB